KTWO / K2M Group Holdings, Inc. - SEC Filings, Annual Report, Proxy Statement

K2M Group Holdings, Inc.
US ˙ NASDAQ
THIS SYMBOL IS NO LONGER ACTIVE

Basic Stats
CIK 1499807
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to K2M Group Holdings, Inc.
SEC Filings (Chronological Order)
This page provides a complete, chronological list of SEC Filings, excluding ownership filings which we provide elsewhere.
February 14, 2019 SC 13G/A

KTWO / K2M Group Holdings, Inc. / TimesSquare Capital Management, LLC - SC 13G/A Passive Investment

SC 13G/A 1 d693206dsc13ga.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)1 K2M Group Holdings, Inc. (Name of Issuer) Common Stock, Class A, $.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropri

November 19, 2018 15-12B

KTWO / K2M Group Holdings, Inc. FORM 15-12B

Form 15-12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-36443 K2M Group Holdings, Inc. (Exact name of registrant as

November 16, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): November 9, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File N

November 16, 2018 EX-4.2

Supplemental Indenture, dated as of November 9, 2018, by and between K2M Group Holdings, Inc. and The Bank of New York Mellon, as trustee (2036 Notes).

EX-4.2 Exhibit 4.2 EXECUTION VERSION SUPPLEMENTAL INDENTURE This SUPPLEMENTAL INDENTURE, dated as of November 9, 2018 (the “Supplemental Indenture”), is entered into by and between K2M Group Holdings, Inc., a Delaware corporation (the “Company”), and The Bank of New York Mellon, as trustee (the “Trustee”). WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture, date

November 16, 2018 EX-4.1

Supplemental Indenture, dated as of November 9, 2018, by and between K2M Group Holdings, Inc. and The Bank of New York Mellon, as trustee (2025 Notes).

EX-4.1 Exhibit 4.1 EXECUTION VERSION SUPPLEMENTAL INDENTURE This SUPPLEMENTAL INDENTURE, dated as of November 9, 2018 (the “Supplemental Indenture”), is entered into by and between K2M Group Holdings, Inc., a Delaware corporation (the “Company”), and The Bank of New York Mellon, as trustee (the “Trustee”). WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture, date

November 9, 2018 POS AM

KTWO / K2M Group Holdings, Inc. POS AM

POS AM As filed with the Securities and Exchange Commission on November 9, 2018 Registration No.

November 9, 2018 S-8 POS

KTWO / K2M Group Holdings, Inc. S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on November 9, 2018 Registration No.

November 9, 2018 S-8 POS

KTWO / K2M Group Holdings, Inc. S-8 POS

S-8 POS 1 d511236ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on November 9, 2018 Registration No. 333-195784 Registration No. 333-212008 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-195784 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-212008 R

November 9, 2018 EX-3.2

Second Amended and Restated By-Laws of K2M Group Holdings, Inc.

EX-3.2 Exhibit 3.2 SECOND AMENDED AND RESTATED BY-LAWS OF K2M GROUP HOLDINGS, INC., a Delaware Corporation Effective November 9, 2018 TABLE OF CONTENTS ARTICLE I OFFICES Section 1.1 Registered Office 1 Section 1.2 Other Offices 1 ARTICLE II MEETINGS OF STOCKHOLDERS Section 2.1 Place of Meetings 1 Section 2.2 Annual Meetings 1 Section 2.3 Special Meetings 2 Section 2.4 Notice 2 Section 2.5 Adjournm

November 9, 2018 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): November 9, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (

November 9, 2018 EX-3.1

Fourth Amended and Restated Certificate of Incorporation of K2M Group Holdings, Inc.

EX-3.1 Exhibit 3.1 FOURTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF K2M GROUP HOLDINGS, INC. FIRST: The name of the Corporation is K2M Group Holdings, Inc. (the “Corporation”). SECOND: The address of the registered office of the Corporation in the State of Delaware is 1209 Orange Street, Wilmington, County of New Castle, Delaware 19801. The name of its registered agent at that address i

November 9, 2018 SC 13D/A

KTWO / K2M Group Holdings, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) K2M Group Holdings, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Pers

November 8, 2018 8-K

Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): November 7, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (

November 8, 2018 10-Q

KTWO / K2M Group Holdings, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-36443 K2M

November 7, 2018 EX-99.1

K2M Group Holdings, Inc. Stockholders Approve Acquisition by Stryker

EX-99.1 Exhibit 99.1 Press Release K2M Group Holdings, Inc. Stockholders Approve Acquisition by Stryker LEESBURG, Virginia, November 7, 2018 (GLOBE NEWSWIRE) – At a special meeting today, stockholders of K2M Group Holdings, Inc. (“K2M” or the “Company”) (NASDAQ: KTWO) approved the adoption of the Agreement and Plan of Merger (the “Merger Agreement”), dated as of August 29, 2018, as it may be amend

November 7, 2018 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2018 K2M GROUP HOLDINGS, INC. (Exact Name of registrant as specified in charter) Delaware 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Empl

November 2, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

November 1, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

October 26, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

October 22, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

October 22, 2018 8-K

Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): October 22, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (

October 19, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

October 18, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 defa14a-cover.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 1

October 18, 2018 8-K

Other Events

8-K 1 form8-kxcover.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 17, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Com

October 12, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d639291ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

October 5, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d636219ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

October 5, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

October 5, 2018 EX-99.1

K2M Group Holdings, Inc. Announces Record Date and Meeting Date for Special Meeting of Stockholders

Exhibit 99.1 K2M Group Holdings, Inc. Announces Record Date and Meeting Date for Special Meeting of Stockholders Leesburg, VA, October 5, 2018 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the “Company” or “K2M”), announced today that it has set a record date and meeting date for a special meeting of its stockholders to, among other things, consider and vote on a proposal to adopt the previously anno

October 5, 2018 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 5, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employ

October 5, 2018 DEFM14A

KTWO / K2M Group Holdings, Inc. DEFM14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  o Check the appropriate box:  o Preliminary Proxy Statement  o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ D

October 4, 2018 SC 13D

KTWO / K2M Group Holdings, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 K2M Group Holdings, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized to R

September 28, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

September 21, 2018 PREM14A

KTWO / K2M Group Holdings, Inc. PREM14A

PREM14A 1 s002445x1prem14a.htm PREM14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  o Check the appropriate box: ☒ Preliminary Proxy Statement  o Confidential, for Use of the Commission Only

September 21, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d620663ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

September 14, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d623488ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

September 7, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d618652ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d618652ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d618652ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d618652ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d618652ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 d618652ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

August 30, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): August 29, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (I

August 30, 2018 EX-99.1

K2M Group Holdings, Inc. Announces Definitive Agreement To Be Acquired by Stryker Corporation

EX-99.1 Exhibit 99.1 K2M Group Holdings, Inc. Announces Definitive Agreement To Be Acquired by Stryker Corporation Leesburg, VA, August 30, 2018 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the “Company” or “K2M”), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance™, today announced a definitive merger agreement with Stryker Co

August 30, 2018 EX-2.1

Agreement and Plan of Merger, dated as of August 29, 2018, by and among K2M Group Holdings, Inc., Stryker Corporation and Austin Merger Sub Corp.*

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among STRYKER CORPORATION, AUSTIN MERGER SUB CORP. and K2M GROUP HOLDINGS, INC., Dated as of August 29, 2018 TABLE OF CONTENTS Page ARTICLE I THE MERGER Section 1.1. The Merger 1 Section 1.2. The Closing 1 Section 1.3. Effective Time 2 Section 1.4. Certificate of Incorporation; Bylaws 2 Section 1.5. Board of Directors; Office

August 30, 2018 EX-2.1

Agreement and Plan of Merger, dated as of August 29, 2018, by and among K2M Group Holdings, Inc., Stryker Corporation and Austin Merger Sub Corp.*

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among STRYKER CORPORATION, AUSTIN MERGER SUB CORP. and K2M GROUP HOLDINGS, INC., Dated as of August 29, 2018 TABLE OF CONTENTS Page ARTICLE I THE MERGER Section 1.1. The Merger 1 Section 1.2. The Closing 1 Section 1.3. Effective Time 2 Section 1.4. Certificate of Incorporation; Bylaws 2 Section 1.5. Board of Directors; Office

August 30, 2018 EX-99.1

Press Release dated August 30, 2018

EX-99.1 Exhibit 99.1 K2M Group Holdings, Inc. Announces Definitive Agreement To Be Acquired by Stryker Corporation Leesburg, VA, August 30, 2018 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the “Company” or “K2M”), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance™, today announced a definitive merger agreement with Stryker Co

August 30, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): August 29, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (I

August 2, 2018 10-Q

KTWO / K2M Group Holdings, Inc. 10-Q (Quarterly Report)

10-Q 1 a2q2018k2m10-qdocument.htm 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Com

August 1, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employe

August 1, 2018 EX-99.1

K2M Group Holdings, Inc. Reports Second Quarter 2018 Financial Results and Updates Fiscal Year 2018 Outlook

Exhibit 99.1 K2M Group Holdings, Inc. Reports Second Quarter 2018 Financial Results and Updates Fiscal Year 2018 Outlook Leesburg, VA, August 1, 2018 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the “Company” or “K2M”), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance™, today reported financial results for its second quarter

June 18, 2018 EX-4.1

Indenture, dated as of June 18, 2018, between the Company and The Bank of New York Mellon, as trustee.

EXHIBIT 4.1 EXECUTION VERSION K2M GROUP HOLDINGS, INC. and THE BANK OF NEW YORK MELLON as Trustee INDENTURE Dated as of June 18, 2018 3.00% Convertible Senior Notes due 2025 TABLE OF CONTENTS Page Article 1. Definitions; Rules of Construction 1 Section 1.01. Definitions 1 Section 1.02. Rules of Construction 11 Article 2. The Notes 12 Section 2.01. Form, Dating and Denominations 12 Section 2.02. Ex

June 18, 2018 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): June 13, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Emp

June 14, 2018 EX-10.1

Eleventh Amendment dated June 8, 2018 to Credit Agreement dated October 29, 2012, by and among K2M Holdings, Inc., as the guarantor, K2M, Inc. and K2M UK Limited, as borrowers, and Silicon Valley Bank and Comerica Bank as lenders.

Exhibit 10.1 Executed Version ELEVENTH AMENDMENT TO CREDIT AGREEMENT This Eleventh Amendment to Credit Agreement (this “Amendment”) is entered into as of June 8, 2018, by and among K2M HOLDINGS, INC., a Delaware corporation (“Holdings”), K2M, INC., a Delaware corporation (the “US Borrower”) and K2M UK LIMITED, a company incorporated in England and Wales with company registration number 06950302 an

June 14, 2018 EX-99.1

K2M Group Holdings, Inc. Announces Private Offering of $65.0 Million Aggregate Principal Amount of Convertible Senior Notes due 2025

Exhibit 99.1 K2M Group Holdings, Inc. Announces Private Offering of $65.0 Million Aggregate Principal Amount of Convertible Senior Notes due 2025 LEESBURG, VA., June 13, 2018 (GLOBE NEWSWIRE)- K2M Group Holdings, Inc. (Nasdaq: KTWO) (“K2M”) today announced that it intends to offer, subject to market and other conditions, $65.0 million aggregate principal amount of Convertible Senior Notes due 2025

June 14, 2018 EX-99.2

K2M Group Holdings, Inc. Announces Pricing of Private Offering of $65.0 Million Aggregate Principal Amount of 3.00% Convertible Senior Notes due 2025

Exhibit 99.2 K2M Group Holdings, Inc. Announces Pricing of Private Offering of $65.0 Million Aggregate Principal Amount of 3.00% Convertible Senior Notes due 2025 LEESBURG, VA., June 14, 2018 (GLOBE NEWSWIRE) - K2M Group Holdings, Inc. (Nasdaq: KTWO) (“K2M”) today announced the pricing of a private offering of $65.0 million aggregate principal amount of 3.00% Convertible Senior Notes due 2025 (the

June 14, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): June 8, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Empl

June 11, 2018 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 a2018-8xkitem507.htm 8-K VOTING RESULTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 5, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incor

May 31, 2018 SD

KTWO / K2M Group Holdings, Inc. SD - SPECIALIZED DISCLOSURE REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD SPECIALIZED DISCLOSURE REPORT K2M GROUP HOLDINGS, INC.

May 2, 2018 10-Q

KTWO / K2M Group Holdings, Inc. 10-Q (Quarterly Report)

10-Q 1 a1q2018k2m10-qdocument.htm 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Co

May 1, 2018 8-K

KTWO / K2M Group Holdings, Inc. 8-K (Current Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 1, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer I

May 1, 2018 EX-99.1

K2M Group Holdings, Inc. Reports First Quarter 2018 Financial Results and Updates Fiscal Year 2018 Outlook

Exhibit 99.1 K2M Group Holdings, Inc. Reports First Quarter 2018 Financial Results and Updates Fiscal Year 2018 Outlook Leesburg, VA, May 1, 2018 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the “Company” or “K2M”), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance™, today reported financial results for its first quarter ended

April 19, 2018 DEFA14A

KTWO / K2M Group Holdings, Inc. DEFA14A

DEFA14A 1 a2018notice.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as perm

April 19, 2018 DEF 14A

KTWO / K2M Group Holdings, Inc. DEF 14A

DEF 14A 1 a2018proxystatementandcard.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commissio

March 29, 2018 EX-99.1

K2M Names Lane Major Chief Operating Officer Strategic leadership appointment to bolster Company’s global growth

EX-99.1 2 exhibit991.htm EXHIBIT 99.1 Exhibit 99.1 K2M Names Lane Major Chief Operating Officer Strategic leadership appointment to bolster Company’s global growth LEESBURG, Va., March 29, 2018 (GLOBE NEWSWIRE) - K2M Group Holdings, Inc. (NASDAQ:KTWO) (the "Company" or "K2M"), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balanc

March 29, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 29, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employe

March 1, 2018 EX-21.1

List of Subsidiaries (filed herewith)

Exhibit 21.1 LIST OF SUBSIDIARIES The following are subsidiaries of K2M Group Holdings, Inc. and the jurisdictions in which they are organized. Entity Name Jurisdiction of Organization K2M Holdings, Inc. Delaware (United States) K2M, Inc. Delaware (United States) K2M Solutions, Inc. Delaware (United States) K2M Solutions Australia Pty Ltd Australia K2M Spine Solutions (Schweiz) GmbH Switzerland K2

March 1, 2018 EX-24.1

Power of Attorney (filed herewith)

Exhibit 24.1 POWER OF ATTORNEY Know all persons by these presents, that I, the undersigned, a director of K2M Group Holdings, Inc., a Delaware corporation (the “Corporation”), do hereby make, nominate and appoint Eric D. Major and Gregory S. Cole, and each of them, to be my attorney-in-fact, with full power and authority to sign on my behalf a Form 10-K for the year ended December 31, 2017, to be

March 1, 2018 10-K

KTWO / K2M Group Holdings, Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-36443 K2M GROUP HOL

March 1, 2018 EX-10.33

Form of Restricted Stock Agreement under the K2M Group Holdings, Inc. 2014 Omnibus Incentive Plan (filed herewith)

Exhibit 10.33 RESTRICTED STOCK GRANT NOTICE UNDER THE K2M GROUP HOLDINGS. INC. 2014 OMNIBUS INCENTIVE PLAN (Time-Based Vesting Award) K2M Group Holdings Inc. (the “Company”), pursuant to its 2014 Omnibus Incentive Plan (the “Plan”), hereby grants to the Participant set forth below the number of shares of Restricted Stock set forth below. The shares of Restricted Stock are subject to all of the ter

February 28, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 q42017earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpor

February 28, 2018 EX-99.1

K2M Group Holdings, Inc. Reports Fourth Quarter and Full Year 2017 Financial Results

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Fourth Quarter and Full Year 2017 Financial Results Leesburg, VA, February 28, 2018 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the ?Company? or ?K2M?), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance?, today reported financial results for its fourth quarter and fiscal y

February 14, 2018 EX-1

JOINT FILING AGREEMENT

Joint Filing Agreement EXHIBIT 1 JOINT FILING AGREEMENT Waddell & Reed Financial, Inc.

February 14, 2018 EX-2

EXHIBIT 2

Identification and Classification of the Subsidiary Which Acquired the Security EXHIBIT 2 Waddell & Reed Investment Management Company - Tax ID No. 48-1106973 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940 Ivy Investment Management Company - Tax ID No. 03-0481447 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940

February 14, 2018 EX-3

POWER OF ATTORNEY

Power of Attorney EXHIBIT 3 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT: The undersigned, Waddell & Reed Financial, Inc.

February 14, 2018 SC 13G/A

KTWO / K2M Group Holdings, Inc. / WADDELL & REED FINANCIAL INC - K2M GROUP HOLDINGS, INC. Passive Investment

SC 13G/A 1 d512151dsc13ga.htm K2M GROUP HOLDINGS, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Amendment No. 1* K2M Group Holdings, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the approp

February 14, 2018 SC 13G

KTWO / K2M Group Holdings, Inc. / TimesSquare Capital Management, LLC - SC 13G Passive Investment

SC 13G 1 d521099dsc13g.htm SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of l934 (Amendment No. )1 K2M Group Holdings, Inc. (Name of Issuer) Common Stock, Class A, $.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

February 8, 2018 SC 13G

KTWO / K2M Group Holdings, Inc. / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* K2M GROUP HOLDINGS, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 48273J107 (CUSIP Number) December 29, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

January 9, 2018 8-K/A

Results of Operations and Financial Condition

8-K/A 1 form8-kax2017revenueprerel.htm 8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No.1) CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 8, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-29

January 8, 2018 EX-99.1

K2M Group Holdings, Inc. Reports Preliminary Fourth Quarter and Full Year 2017 Financial Results

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Preliminary Fourth Quarter and Full Year 2017 Financial Results LEESBURG, Va., January 8, 2018 (GLOBE NEWSWIRE) - K2M Group Holdings, Inc. (NASDAQ:KTWO) (the "Company" or "K2M"), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance ? , today announced preliminary financial r

January 8, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 form8-kx2017revenueprerele.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 8, 2018 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpo

January 2, 2018 SC 13G/A

KTWO / K2M Group Holdings, Inc. / Welsh, Carson, Anderson & Stowe XI, L.P. - SCHEDULE 13G/A FOR FILING WITH THE SEC ON 1-2-2018. THE FILER IS WELSH, CARSON, ANDERSON & STOWE XI, L.P.. AND THE ISSUER IS K2M GROUP HOLDINGS, INC. Passive Investment

SC 13G/A 1 s13ga010218-k2mgrp.htm SCHEDULE 13G/A FOR FILING WITH THE SEC ON 1-2-2018. THE FILER IS WELSH, CARSON, ANDERSON & STOWE XI, L.P.. AND THE ISSUER IS K2M GROUP HOLDINGS, INC. CUSIP No. 48273J107 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* K2M Group Holdings, Inc. (Name of Issuer) Common S

December 7, 2017 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

8-K 1 a8-kitem503and901.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 5, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Com

December 7, 2017 EX-3.1

Amended and Restated Bylaws of K2M Group Holdings, Inc.

Exhibit Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF K2M GROUP HOLDINGS, INC. ARTICLE I Offices SECTION 1.01 Registered Office . The registered office and registered agent of K2M Group Holdings, Inc. (the ? Corporation ?) in the State of Delaware shall be as set forth in the Certificate of Incorporation (as defined below). The Corporation may also have offices in such other places in the United Stat

November 1, 2017 10-Q

K2M Group Holdings 10-Q (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2017 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-3

November 1, 2017 EX-99.1

K2M Group Holdings, Inc. Reports Third Quarter 2017 Financial Results

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Third Quarter 2017 Financial Results Leesburg, VA, November 1, 2017 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the ?Company? or ?K2M?), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance?, today reported financial results for its third fiscal quarter ended September 30, 20

November 1, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a3q2017earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpora

October 12, 2017 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 form8-kdated1062017xloc.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): October 6, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incor

October 12, 2017 EX-10.1

Tenth Amendment dated October 6, 2017 to Credit Agreement dated October 29, 2012, by and among K2M Holdings, Inc., as the guarantor, K2M, Inc. and K2M UK Limited, as borrowers, and Silicon Valley Bank and Comerica Bank as lenders.

Exhibit Exhibit 10.1 Executed Version TENTH AMENDMENT TO CREDIT AGREEMENT This Tenth Amendment to Credit Agreement (this ? Amendment ?) is entered into as of October 6, 2017, by and among K2M HOLDINGS, INC. , a Delaware corporation (? Holdings ?), K2M, INC. , a Delaware corporation (the ? US Borrower ?) and K2M UK LIMITED , a company incorporated in England and Wales with company registration numb

October 10, 2017 EX-99.1

K2M Group Holdings, Inc. Reports Preliminary Third Quarter Revenue Results and Updates Full Year 2017 Revenue Outlook

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Preliminary Third Quarter Revenue Results and Updates Full Year 2017 Revenue Outlook Leesburg, VA, October 9, 2017 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance?, today announced preliminary revenue r

October 10, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 form8-kxitem.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 9, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commi

August 1, 2017 10-Q

K2M Group Holdings 10-Q (Quarterly Report)

10-Q 1 a2q2017k2m10-qdocument.htm 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2017 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Com

August 1, 2017 EX-99.1

K2M Group Holdings, Inc. Reports Second Quarter 2017 Financial Results; Reaffirms Fiscal Year 2017 Outlook

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Second Quarter 2017 Financial Results; Reaffirms Fiscal Year 2017 Outlook Leesburg, VA, August 1, 2017 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance ? , today reported financial results for its second

August 1, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a2q2017earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporati

June 8, 2017 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 a8kvotingresults.htm 8-K VOTING RESULTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 6, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incor

May 26, 2017 SD

K2M Group Holdings FORM SD

SD 1 k2mformsd-21579171xv3x2017.htm FORM SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM SD SPECIALIZED DISCLOSURE REPORT K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 001-36443 27-2977810 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 600 Hope Parkway, SE Leesburg, V

May 2, 2017 10-Q

K2M Group Holdings FORM 10-Q REPORT (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2017 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-36443

May 2, 2017 10-K/A

K2M Group Holdings 10-K/A - COVER AND HTML (Annual Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 2) (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 Or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file n

May 2, 2017 EX-99.1

K2M Group Holdings, Inc. Reports First Quarter 2017 Financial Results and Announces Key Product Approvals in Japan

Document Exhibit 99.1 K2M Group Holdings, Inc. Reports First Quarter 2017 Financial Results and Announces Key Product Approvals in Japan Leesburg, VA, May 2, 2017 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance TM , today reported financial results for its

May 2, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a1q2017earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation)

April 21, 2017 DEFA14A

K2M Group Holdings DEFA14A

DEFA14A 1 a2017notice.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as perm

April 21, 2017 DEF 14A

K2M Group Holdings DEF 14A

DEF 14A 1 a2017proxystatementandcard.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commissio

April 19, 2017 10-K/A

K2M Group Holdings 10-K/A (Annual Report)

10-K/A 1 a10-kacoverandexplanatoryn.htm 10-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 Or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transit

April 13, 2017 CORRESP

K2M Group Holdings ESP

Document April 13, 2017 VIA EDGAR Re: K2M Group Holdings, Inc. Form 10-K for the year ended December 31, 2016 Filed March 7, 2017 File No. 001-36443 Kevin J. Kuhar Accounting Branch Chief Office of Electronics and Machinery Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Dear Mr. Kuhar: We are providing the following responses to the com

March 7, 2017 10-K

K2M Group Holdings 10-K (Annual Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-36443 K2M

March 7, 2017 EX-10.33

Form of Option Agreement under the K2M Group Holdings, Inc. 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.33 to the Registrant’s Annual Report on Form 10-K filed on March 7, 2017 (No. 001-36443))

Exhibit 10.33 OPTION GRANT NOTICE UNDER THE K2M GROUP HOLDINGS, INC. 2016 OMNIBUS INCENTIVE PLAN K2M Group Holdings, Inc. (the “Company”), pursuant to its 2016 Omnibus Incentive Plan (the “Plan”), hereby grants to the Participant set forth below the number of Options (each Option representing the right to purchase one share of Common Stock) set forth below, at an Exercise Price per share as set fo

March 7, 2017 EX-24.1

POWER OF ATTORNEY

Exhibit 24.1 POWER OF ATTORNEY Know all persons by these presents, that I, the undersigned, a director of K2M Group Holdings, Inc., a Delaware corporation (the “Corporation”), do hereby make, nominate and appoint Eric D. Major and Gregory S. Cole, and each of them, to be my attorney-in-fact, with full power and authority to sign on my behalf a Form 10-K for the year ended December 31, 2016, to be

March 7, 2017 EX-21.1

LIST OF SUBSIDIARIES

Exhibit 21.1 LIST OF SUBSIDIARIES The following are subsidiaries of K2M Group Holdings, Inc. and the jurisdictions in which they are organized. Entity Name Jurisdiction of Organization K2M Holdings, Inc. Delaware (United States) K2M, Inc. Delaware (United States) K2M Solutions, Inc. Delaware (United States) K2M Solutions Australia Pty Ltd Australia K2M Spine Solutions (Schweiz) GmbH Switzerland K2

March 7, 2017 EX-10.22

Second Amendment, dated as of February 22, 2017, to Employment Agreement, effective as of August 12, 2010, by and between K2M, Inc. and Dr. John Kostuik (incorporated by reference to Exhibit 10.22 to the Registrant’s Annual Report on Form 10-K filed on March 7, 2017 (No. 001-36443))

Exhibit 10.22 SECOND AMENDMENT TO EMPLOYMENT AGREEMENT WHEREAS, Dr. John P. Kostuik (“Executive”) and K2M, Inc. (the “Company”) are parties to an employment agreement, effective as of August 12, 2010, as amended March 10, 2014 (the “Agreement”) setting forth the terms of Executive’s employment by the Company; and WHEREAS, Executive and the Company desire to amend the Agreement effective as of the

March 7, 2017 EX-10.19

Second Amendment, dated as of February 21, 2017, to Employment Agreement, effective as of August 12, 2010, by and between K2M, Inc. and Gregory Cole (incorporated by reference to Exhibit 10.19 to the Registrant’s Annual Report on Form 10-K filed on March 7, 2017 (No. 001-36443))

Exhibit 10.19 SECOND AMENDMENT TO EMPLOYMENT AGREEMENT WHEREAS, Gregory S. Cole (“Executive”) and K2M, Inc. (the “Company”) are parties to an employment agreement, effective as of August 12, 2010, as amended January 20, 2014 (the “Agreement”) setting forth the terms of Executive’s employment by the Company; and WHEREAS, Executive and the Company desire to amend the Agreement effective as of the da

March 7, 2017 EX-10.35

Form of Restricted Stock Unit Agreement under the K2M Group Holdings, Inc. 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.35 to the Registrant’s Annual Report on Form 10-K filed on March 7, 2017 (No. 001-36443))

Exhibit 10.35 RESTRICTED STOCK UNIT GRANT NOTICE UNDER THE K2M GROUP HOLDINGS, INC. 2016 OMNIBUS INCENTIVE PLAN K2M Group Holdings, Inc. (the “Company”), pursuant to its 2016 Omnibus Incentive Plan (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below. The Restricted Stock Units are subject to all of the terms and conditions as set fort

March 7, 2017 EX-10.34

Form of Restricted Stock Agreement under the K2M Group Holdings, Inc. 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.34 to the Registrant’s Annual Report on Form 10-K filed on March 7, 2017 (No. 001-36443))

Exhibit 10.34 RESTRICTED STOCK GRANT NOTICE UNDER THE K2M GROUP HOLDINGS, INC. 2016 OMNIBUS INCENTIVE PLAN (Time-Based Vesting Award) K2M Group Holdings Inc. (the “Company”), pursuant to its 2016 Omnibus Incentive Plan (the “Plan”), hereby grants to the Participant set forth below the number of shares of Restricted Stock set forth below. The shares of Restricted Stock are subject to all of the ter

March 7, 2017 EX-10.16

Second Amendment, dated as of February 21, 2017, to Employment Agreement, effective as of August 12, 2010, by and between K2M, Inc. and Eric Major (incorporated by reference to Exhibit 10.16 to the Registrant’s Annual Report on Form 10-K filed on March 7, 2017 (No. 001-36443))

Exhibit 10.16 SECOND AMENDMENT TO EMPLOYMENT AGREEMENT WHEREAS, Eric D. Major (“Executive”) and K2M, Inc. (the “Company”) are parties to an employment agreement, effective as of August 12, 2010, as amended January 20, 2014 (the “Agreement”) setting forth the terms of Executive’s employment by the Company; and WHEREAS, Executive and the Company desire to amend the Agreement effective as of the date

March 6, 2017 EX-99.1

K2M Group Holdings, Inc. Reports Fourth Quarter and Full Year 2016 Financial Results with U.S. Revenue Growth of 21.5% year-over-year in Q4’16

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Fourth Quarter and Full Year 2016 Financial Results with U.S. Revenue Growth of 21.5% year-over-year in Q4?16 Leesburg, VA, March 6, 2017 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global leader of complex spine and minimally invasive solutions focused on achieving three-dimensional Total Body Balance TM , today repor

March 6, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 6, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employe

February 14, 2017 EX-3

POWER OF ATTORNEY

Power of Attorney EXHIBIT 3 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT: The undersigned, Waddell & Reed Financial, Inc.

February 14, 2017 EX-2

EXHIBIT 2

Identification and Classification of the Subsidiary Which Acquired the Security EXHIBIT 2 Waddell & Reed Investment Management Company - Tax ID No. 48-1106973 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940 Ivy Investment Management Company - Tax ID No. 03-0481447 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940

February 14, 2017 SC 13G

K2M Group Holdings K2M GROUP HOLDINGS, INC. (Passive Acquisition of More Than 5% of Shares)

K2M Group Holdings, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 K2M Group Holdings, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

February 14, 2017 EX-1

JOINT FILING AGREEMENT

EX-1 2 d333908dex1.htm JOINT FILING AGREEMENT EXHIBIT 1 JOINT FILING AGREEMENT Waddell & Reed Financial, Inc., Waddell & Reed Financial Services, Inc., Waddell & Reed, Inc., Waddell & Reed Investment Management Company and Ivy Investment Management Company (the “Filing Persons”), hereby agree to file jointly a Schedule 13G and any amendments thereto relating to the aggregate ownership by each of t

February 1, 2017 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 d324436d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): January 26, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (C

February 1, 2017 EX-1.1

4,000,000 Shares K2M Group Holdings, Inc. Common Stock UNDERWRITING AGREEMENT

EX-11 Exhibit 1.1 4,000,000 Shares K2M Group Holdings, Inc. Common Stock UNDERWRITING AGREEMENT January 26, 2017 Piper Jaffray & Co. 800 Nicollet Mall Minneapolis, Minnesota 55402 Ladies and Gentlemen: The stockholders of K2M Group Holdings, Inc., a Delaware corporation (the ?Company?), listed in Schedule I hereto (the ?Selling Stockholders?) severally propose to sell to Piper Jaffray & Co. (the ?

January 30, 2017 424B7

K2M GROUP HOLDINGS, INC. 4,000,000 Shares Common Stock

424B7 1 d277481d424b7.htm 424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-204604 PROSPECTUS SUPPLEMENT (To Prospectus dated June 11, 2015) K2M GROUP HOLDINGS, INC. 4,000,000 Shares Common Stock The selling stockholders are offering 4,000,000 shares of our common stock in this offering. We will not receive any proceeds from the sale of shares of common stock by the sel

January 26, 2017 FWP

K2M Group Holdings, Inc. Announces Proposed Sale of Shares of Common Stock by Selling Stockholders

FWP 1 d277481dfwp.htm FWP Issuer Free Writing Prospectus dated January 26, 2017 Relating to Prospectus dated June 11, 2015 Filed Pursuant to Rule 433 Registration No. 333-204604 K2M Group Holdings, Inc. Announces Proposed Sale of Shares of Common Stock by Selling Stockholders LEESBURG, VA., January 26, 2017 – K2M Group Holdings, Inc. (Nasdaq: KTWO) (“K2M” or the “Company”), a global medical device

January 26, 2017 8-K

Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): January 26, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS

January 9, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 9, 2017 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (I

January 9, 2017 EX-99.1

K2M Group Holdings, Inc. Reports Fourth Quarter U.S. Revenue Growth of 21% and Preliminary Fourth Quarter and Full Year 2016 Financial Results

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Fourth Quarter U.S. Revenue Growth of 21% and Preliminary Fourth Quarter and Full Year 2016 Financial Results Leesburg, VA, January 9, 2017 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimall

January 4, 2017 SC 13G/A

KTWO / K2M Group Holdings, Inc. / Welsh, Carson, Anderson & Stowe XI, L.P. - SCHEDULE 13G/A FOR K2M GROUP HOLDINGS, INC. BY WELSH, CARSON, ANDERSON & STOWE XI, L.P. Passive Investment

SC 13G/A 1 s13ga010417-k2mgrp.htm SCHEDULE 13G/A FOR K2M GROUP HOLDINGS, INC. BY WELSH, CARSON, ANDERSON & STOWE XI, L.P. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* K2M Group Holdings, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) Dec

November 18, 2016 EX-24

POWER OF ATTORNEY

Exhibit 24 POWER OF ATTORNEY THE UNDERSIGNED hereby makes, constitutes and appoints David Mintz and James Gaven (each, an "Attorney"), signing singly, with full power of substitution, a true and lawful attorney-in-fact for the undersigned, in the undersigned's name, place and stead and on the undersigned's behalf, to complete, execute and file with the United States Securities and Exchange Commiss

November 17, 2016 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): November 10, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS

November 17, 2016 EX-1.1

4,500,000 Shares K2M Group Holdings, Inc. Common Stock UNDERWRITING AGREEMENT

EX-1.1 EXECUTION VERSION 4,500,000 Shares K2M Group Holdings, Inc. Common Stock UNDERWRITING AGREEMENT November 10, 2016 Wells Fargo Securities, LLC 375 Park Avenue New York, New York 10152 Ladies and Gentlemen: The stockholders of K2M Group Holdings, Inc., a Delaware corporation (the ?Company?), listed in Schedule I hereto (the ?Selling Stockholders?) severally propose to sell to Wells Fargo Secu

November 14, 2016 424B7

K2M GROUP HOLDINGS, INC. 4,500,000 Shares Common Stock

424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-204604 PROSPECTUS SUPPLEMENT (To Prospectus dated June 11, 2015) K2M GROUP HOLDINGS, INC. 4,500,000 Shares Common Stock The selling stockholders are offering 4,500,000 shares of our common stock in this offering. We will not receive any proceeds from the sale of shares of common stock by the selling stockholders identifi

November 10, 2016 FWP

K2M Group Holdings, Inc. Announces Proposed Sale of Shares of Common Stock by Selling Stockholders

FWP Issuer Free Writing Prospectus dated November 10, 2016 Relating to Prospectus dated June 11, 2015 Filed Pursuant to Rule 433 Registration No.

November 2, 2016 10-Q

K2M Group Holdings 10-Q (Quarterly Report)

10-Q 1 a3q2016k2m10-qdocument.htm 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2016 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to

November 2, 2016 8-K

K2M Group Holdings 8-K (Current Report/Significant Event)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (

November 2, 2016 EX-99.1

K2M Group Holdings, Inc. Reports Third Quarter 2016 Financial Results with U.S. Revenue Growth of 17% year-over-year; Updates Fiscal Year 2016 Outlook

Document Exhibit 99.1 K2M Group Holdings, Inc. Reports Third Quarter 2016 Financial Results with U.S. Revenue Growth of 17% year-over-year; Updates Fiscal Year 2016 Outlook Leesburg, VA, November 2, 2016 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine an

August 11, 2016 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

8-K 1 form8-kdatedaugust112016.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): August 8, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incor

August 11, 2016 EX-4.1

Indenture, dated August 11, 2016, between K2M Group Holdings, Inc. and The Bank of New York Mellon, as trustee (incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K filed on August 11, 2016 (File No. 001-36443))

Document K2M GROUP HOLDINGS, INC. and THE BANK OF NEW YORK MELLON as Trustee INDENTURE Dated as of August 11, 2016 4.125% Convertible Senior Notes due 2036 TABLE OF CONTENTS Page Article 1. Definitions; Rules of Construction 1 Section 1.01. Definitions. 1 Section 1.02. Rules of Construction. 11 Article 2. The Notes 12 Section 2.01. Form, Dating and Denominations. 12 Section 2.02. Execution, Authen

August 10, 2016 SC 13G/A

KTWO / K2M Group Holdings, Inc. / PRICE T ROWE ASSOCIATES INC /MD/ - KTWO AS OF 07/31/2016 Passive Investment

SC 13G/A 1 ktwo13gajul16.htm KTWO AS OF 07/31/2016 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) K2M GROUP HOLDINGS INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 48273J107 (CUSIP Number) July 31, 2016 (Date of Event which Requires Filing of Statement) Check the appropriate box to d

August 8, 2016 EX-10.1

Ninth Amendment dated August 8, 2016 to Credit Agreement dated October 29, 2012, by and among K2M Holdings, Inc., as the guarantor, K2M, Inc. and K2M UK Limited, as borrowers, and Silicon Valley Bank and Comerica Bank as lenders (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on August 8, 2016 (File No. 001-36443))

Exhibit Exhibit 10.1 Executed Version NINTH AMENDMENT TO CREDIT AGREEMENT This Ninth Amendment to Credit Agreement (this ? Amendment ?) is entered into as of August 8, 2016, by and among K2M HOLDINGS, INC. , a Delaware corporation (? Holdings ?), K2M, INC. , a Delaware corporation (the ? US Borrower ?) and K2M UK LIMITED , a company incorporated in England and Wales with company registration numbe

August 8, 2016 EX-99.1

K2M Group Holdings, Inc. Announces Pricing of Private Offering of $50 Million Aggregate Principal Amount of 4.125% Convertible Senior Notes due 2036

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Announces Pricing of Private Offering of $50 Million Aggregate Principal Amount of 4.125% Convertible Senior Notes due 2036 LEESBURG, VA., August 8, 2016 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (?K2M? or the ?Company?) today announced the pricing of a private offering of $50 million aggregate principal amount of 4.125% Convertible Senior Notes due 20

August 8, 2016 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

8-K 1 form8-kdatedaugust82016.htm 8-K eorge UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): August 8, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of

August 3, 2016 10-Q

K2M Group Holdings 10-Q (Quarterly Report)

10-Q 1 a2q2016k2m10-qdocument.htm 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2016 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Com

August 3, 2016 EX-99.1

K2M Group Holdings, Inc. Reports Second Quarter 2016 Financial Results; Reaffirms Fiscal Year 2016 Outlook

Document Exhibit 99.1 K2M Group Holdings, Inc. Reports Second Quarter 2016 Financial Results; Reaffirms Fiscal Year 2016 Outlook Leesburg, VA, August 3, 2016 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimally invasive spine technologies and te

August 3, 2016 8-K

K2M Group Holdings 8-K (Current Report/Significant Event)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 3, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IR

June 16, 2016 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

8-K 1 votingresults-agmmeeting06.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 14, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpora

June 14, 2016 S-8

K2M Group Holdings S-8

Document As filed with the Securities and Exchange Commission on June 14, 2016. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 K2M Group Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 27-2977810 (State or other jurisdiction of incorporation or organization

June 14, 2016 EX-4.3

K2M Group Holdings, Inc. 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 4.3 to the Registrant’s Registration Statement on Form S-8 filed on June 14, 2016 (File No. 001-36443))

Exhibit Exhibit 4.3 K2M GROUP HOLDINGS, INC. 2016 OMNIBUS INCENTIVE PLAN 1. Purpose . The purpose of the K2M Group Holdings, Inc. 2016 Omnibus Incentive Plan is to provide a means through which the Company and the other members of the Company Group may attract and retain key personnel and to provide a means whereby directors, officers, employees, consultants and advisors of the Company and the oth

May 24, 2016 EX-16.1

May 24, 2016

EX-16.1 2 exhibit161.htm LETTER FROM ERNST & YOUNG Exhibit 16.1 May 24, 2016 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Ladies and Gentlemen: We have read Item 4.01 of Form 8-K dated May 19, 2016, of K2M Group Holdings, Inc. and are in agreement with the statements contained in the second paragraph on page 2 therein. We have no basis to agree or disagree with other

May 24, 2016 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

8-K 1 form8-k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 19, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission Fi

May 2, 2016 10-Q

K2M Group Holdings 10-Q (Quarterly Report)

10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2016 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-36443 K2M

May 2, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer I

May 2, 2016 EX-99

K2M Group Holdings, Inc. Reports First Quarter 2016 Financial Results, Led by U.S. Revenue Growth of 20% year-over-year, and Updates 2016 Outlook

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports First Quarter 2016 Financial Results, Led by U.S. Revenue Growth of 20% year-over-year, and Updates 2016 Outlook Leesburg, VA, May 2, 2016 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimally

April 28, 2016 DEF 14A

K2M Group Holdings DEF 14A - DEFINITIVE PROXY STATEMENT

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 28, 2016 DEF 14A

K2M Group Holdings DEF 14A - DEFINITIVE ADDITIONAL MATERIALS

DEF 14A 1 def14a-noticex2016.htm DEF 14A - DEFINITIVE ADDITIONAL MATERIALS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential

March 4, 2016 10-K

KTWO / K2M Group Holdings, Inc. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission file number 001-36443 K2M GROUP HOL

March 4, 2016 EX-24.1

POWER OF ATTORNEY

Exhibit 24.1 POWER OF ATTORNEY Know all persons by these presents, that I, the undersigned, a director of K2M Group Holdings, Inc., a Delaware corporation (the “Corporation”), do hereby make, nominate and appoint Eric D. Major and Gregory S. Cole, and each of them, to be my attorney-in-fact, with full power and authority to sign on my behalf a Form 10-K for the year ended December 31, 2015, to be

March 4, 2016 EX-21.1

LIST OF SUBSIDIARIES

Exhibit 21.1 LIST OF SUBSIDIARIES The following are subsidiaries of K2M Group Holdings, Inc. and the jurisdictions in which they are organized. Entity Name Jurisdiction of Organization K2M Holdings, Inc. Delaware (United States) K2M, Inc. Delaware (United States) K2M Solutions, Inc. Delaware (United States) K2M Solutions Australia Pty Ltd Australia K2M Solutions Canada, Inc. British Columbia K2M S

March 3, 2016 EX-99

K2M Group Holdings, Inc. Reports Record Revenue for Fiscal Year 2015, with Complex Spine Growth of 17%

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Record Revenue for Fiscal Year 2015, with Complex Spine Growth of 17% Leesburg, VA, March 3, 2016 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimally invasive technologies and techniques, to

March 3, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a2015earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): March 3, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpora

February 16, 2016 SC 13G/A

K2M Group Holdings AMENDMENT NO. 1 TO SCHEDULE 13G (Passive Acquisition of More Than 5% of Shares)

Amendment No. 1 to Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1)* K2M GROUP HOLDINGS, INC. (Name of Issuer) COMMON STOCK, $0.001 PAR VALUE PER SHARE (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the

February 12, 2016 SC 13G

K2M Group Holdings KTWO AS OF 12/31/2015 (Passive Acquisition of More Than 5% of Shares)

SC 13G 1 ktwo13gdec15.htm KTWO AS OF 12/31/2015 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) K2M GROUP HOLDINGS INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2015 (Date of Event which Requires Filing of Statement) Check the appropriate box to d

January 22, 2016 SC 13G/A

KTWO / K2M Group Holdings, Inc. / Welsh, Carson, Anderson & Stowe XI, L.P. - SCHEDULE 13G/A FOR K2M GROUP HOLDINGS, INC. Passive Investment

SC 13G/A 1 s13ga021616-k2mgrp.htm SCHEDULE 13G/A FOR K2M GROUP HOLDINGS, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* K2M Group Holdings, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2015 (Date of Event Which Requires

January 11, 2016 EX-99.1

K2M Group Holdings, Inc. Reports Preliminary Fourth Quarter and Full Year 2015 Financial Results with 17% Annual Growth

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Preliminary Fourth Quarter and Full Year 2015 Financial Results with 17% Annual Growth Leesburg, VA, January 11, 2016 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimally invasive technologie

January 11, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 form8-kxaopguidance.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 11, 2016 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation

December 28, 2015 EX-24

EX-24

Exhibit 24 POWER OF ATTORNEY Know all by these presents that George Moratis, does hereby make, constitute and appoint each of Gregory S.

December 18, 2015 8-K

K2M Group Holdings 8-K (Current Report/Significant Event)

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 15, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS

November 3, 2015 EX-10.1

Eighth Amendment dated October 29, 2015 to Credit Agreement dated October 29, 2012, by and among K2M Holdings, Inc., as the guarantor, K2M, Inc. and K2M UK Limited, as borrowers, and Silicon Valley Bank and Comerica Bank as lenders. (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on November 3, 2015 (No. 001-36433)).

Exhibit Exhibit 10.1 Execution Version EIGHTH AMENDMENT TO CREDIT AGREEMENT This Eighth Amendment to Credit Agreement (this ? Amendment ?) is entered into as of October 29, 2015, by and among K2M HOLDINGS, INC. , a Delaware corporation (? Holdings ?), K2M, INC. , a Delaware corporation (the ? US Borrower ?) and K2M UK LIMITED , a company incorporated in England and Wales with company registration

November 3, 2015 EX-99.1

K2M Group Holdings, Inc. Reports Revenue Growth of 16.7% in Constant Currency and Increases Fiscal Year 2015 Revenue Guidance Range

Exhibit Exhibit 99.1 K2M Group Holdings, Inc. Reports Revenue Growth of 16.7% in Constant Currency and Increases Fiscal Year 2015 Revenue Guidance Range Leesburg, VA, November 3, 2015 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimally invasive

November 3, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a3q2015earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 3, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpora

November 3, 2015 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): October 29, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS

October 7, 2015 CORRESP

K2M Group Holdings ESP

CORRESP 1 filename1.htm October 7, 2015 VIA EDGAR Re: K2M Group Holdings, Inc. Form 10-K for the year ended December 31, 2014 Filed March 18, 2015 Form 8-K dated August 4, 2015 Filed August 4, 2015 File No. 001-36443 Martin James Senior Assistant Chief Accountant Office of Electronics and Machinery Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.

August 4, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 4, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employe

August 4, 2015 EX-99.1

K2M Group Holdings, Inc. Reports U.S. Complex Spine Growth of 24% and Financial Results for the Second Quarter of Fiscal Year 2015

Exhibit 99.1 Exhibit 99.1 K2M Group Holdings, Inc. Reports U.S. Complex Spine Growth of 24% and Financial Results for the Second Quarter of Fiscal Year 2015 Leesburg, VA, August 4, 2015 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary complex spine and minimally invasi

July 13, 2015 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 7, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer

July 13, 2015 EX-1.1

4,500,000 Shares K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT

Exhibit 1.1 Purchase Agreement Exhibit 1.1 EXECUTION VERSION 4,500,000 Shares K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT July 7, 2015 Barclays Capital Inc. 745 Seventh Avenue New York, NY 10019 Ladies and Gentlemen: K2M Group Holdings, Inc., a Delaware corporation (the ?Company? ), and the stockholders of the Company listed in Schedule I hereto (the ?Selling Stockholders? ) severally

July 9, 2015 424B7

K2M GROUP HOLDINGS, INC. 4,500,000 Shares Common Stock

424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-204604 PROSPECTUS SUPPLEMENT (To Prospectus dated June 11, 2015) K2M GROUP HOLDINGS, INC. 4,500,000 Shares Common Stock We are offering 750,000 shares of our common stock and the selling stockholders are offering 3,750,000 shares of our common stock in this offering. We will not receive any proceeds from the sale of shar

July 7, 2015 424B7

Subject to completion, dated July 7, 2015

424B7 1 d941620d424b7.htm 424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-204604 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are part of an effective registration statement filed with the Securities and Exchange Commission. This preliminary prospect

July 7, 2015 EX-99.1

K2M Group Holdings, Inc. Reports Preliminary Second Quarter Financial Results including Domestic Revenue Growth of 24%

Exhibit 99.1 - 2Q-2015 Revenue Results Exhibit 99.1 K2M Group Holdings, Inc. Reports Preliminary Second Quarter Financial Results including Domestic Revenue Growth of 24% Leesburg, VA, July 7, 2015 - K2M Group Holdings, Inc. (NASDAQ:KTWO) today reported preliminary financial results for the three months ending June 30, 2015. Preliminary Highlights: ? Total Q2 revenue of approximately $55.9 million

July 7, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 pr2q15prelfinancials.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 7, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (

July 6, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 form-kcover.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 1, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commissio

June 19, 2015 EX-24

POWER OF ATTORNEY

Sec16POA-Turpin POWER OF ATTORNEY Know all by these presents that Mike Turpin, does hereby make, constitute and appoint each of Gregory S.

June 17, 2015 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 a8k-votingresultsfromannua.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 16, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpora

June 9, 2015 CORRESP

K2M Group Holdings ESP

CORRESP 1 filename1.htm June 9, 2015 VIA EDGAR Re: K2M Group Holdings, Inc. Registration Statement on Form S-3 File No. 333-204604 Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Daniel Morris Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, K2M Group Holdings, Inc. (the “Company”) hereb

June 5, 2015 8-K

K2M Group Holdings 8-K (Current Report/Significant Event)

Form 8-K Cover - Seventh Amendment UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 5, 2015 EX-10.1

Seventh Amendment to Credit Agreement entered into as of June 5, 2015, by and among K2M Holdings, Inc., K2M, Inc. and K2M UK Limited, as borrowers, the several banks and other financial institutions or entities party thereto, Silicon Valley Bank, as the Issuing Lender and the Swingline Lender, and Silicon Valley Bank, as administrative agent and collateral agent for the lenders (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on June 5, 2015 (No. 001-36433)).

Exhibit 10.1 - Seventh Amendment to the Credit Agreement Exhibit 10.1 Execution Version SEVENTH AMENDMENT TO CREDIT AGREEMENT This Seventh Amendment to Credit Agreement (this ? Amendment ?) is entered into as of June 5, 2015, by and among K2M HOLDINGS, INC. , a Delaware corporation (? Holdings ?), K2M, INC. , a Delaware corporation (the ? US Borrower ?) and K2M UK LIMITED , a company incorporated

June 1, 2015 S-3

K2M Group Holdings S-3

S-3 1 d933838ds3.htm S-3 Table of Contents As filed with the Securities and Exchange Commission on June 1, 2015 Registration Statement No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 K2M Group Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 27-2977810 (State or other jur

May 12, 2015 EX-10.1

Sixth Amendment to Credit Agreement entered into as of May 8, 2015, by and among K2M Holdings, Inc., K2M, Inc. and K2M UK Limited, as borrowers, the several banks and other financial institutions or entities party thereto, Silicon Valley Bank, as the Issuing Lender and the Swingline Lender, and Silicon Valley Bank, as administrative agent and collateral agent for the lenders (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on May 12, 2015 (No. 001-36433)).

Exhibit 10.1 - Sixth Amendment to the Credit Agreement Exhibit 10.1 Execution Version SIXTH AMENDMENT AND CONSENT AGREEMENT This Sixth Amendment and Consent Agreement (this ? Agreement ?) is entered into as of May 8, 2015, by and among K2M HOLDINGS, INC. , a Delaware corporation (? Holdings ?), K2M, INC. , a Delaware corporation (the ? US Borrower ?) and K2M UK LIMITED , a company incorporated in

May 12, 2015 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 form8-ksixthamendmenttoloc.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 8, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporati

May 6, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a1q2015earnings-form8xk.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report May 6, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employ

May 6, 2015 EX-99.1

K2M Group Holdings, Inc. Reports First Quarter Revenue Growth of 21% and First Quarter of Fiscal Year 2015 Financial Results; Complex Spine Growth of 19% Year-over-Year

Exhibit99.1 Exhibit 99.1 K2M Group Holdings, Inc. Reports First Quarter Revenue Growth of 21% and First Quarter of Fiscal Year 2015 Financial Results; Complex Spine Growth of 19% Year-over-Year Leesburg, VA, May 6, 2015 - K2M Group Holdings, Inc. (Nasdaq: KTWO) (the "Company" or "K2M"), a global medical device company focused on designing, developing and commercializing innovative and proprietary

April 29, 2015 DEF 14A

K2M Group Holdings DEF 14A DEFINITIVE ADDITIONAL MATERIALS

DEF 14A 1 definitiveadditionalmateri.htm DEF 14A DEFINITIVE ADDITIONAL MATERIALS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confid

April 29, 2015 DEF 14A

K2M Group Holdings OTHER DEFINITIVE PROXY STATEMENTS

Proxy UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒

April 28, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 form8-kdatedapril272015.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): April 27, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorp

February 12, 2015 SC 13G

KTWO / K2M Group Holdings, Inc. / FFC Partners III-B, L.P. - SC 13G Passive Investment

SC 13G 1 d871775dsc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )* K2M GROUP HOLDINGS, INC. (Name of Issuer) COMMON STOCK, $0.001 PAR VALUE PER SHARE (Title of Class of Securities) 48273J107 (CUSIP Number) December 31, 2014 (Date of Event Which Requires Filing of this Statement) Check th

February 6, 2015 EX-1.1

6,044,990 Shares K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT

Exhibit 1.1 EXECUTION VERSION 6,044,990 Shares K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT February 2, 2015 PIPER JAFFRAY & CO. BARCLAYS CAPITAL INC. WELLS FARGO SECURITIES, LLC As Representatives of the several Underwriters named in Schedule II hereto c/o Piper Jaffray & Co. 800 Nicollet Mall Minneapolis, Minnesota 55402 c/o Barclays Capital Inc. 745 Seventh Avenue New York, New York

February 6, 2015 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

8-K 1 form8-kdatedfebruary62015x.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): February 2, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of I

February 4, 2015 424B4

The date of this prospectus is February 2, 2015.

424B4 Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-201597 6,044,990 Shares K2M GROUP HOLDINGS, INC. Common Stock $18.75 per share • K2M Group Holdings, Inc. is offering 2,044,990 shares and the selling stockholders are offering 4,000,000 shares of our common stock in this offering. We will not receive any proceeds from the sale of shares of common stock by the selling st

January 29, 2015 S-1/A

KTWO / K2M Group Holdings, Inc. S-1/A - - AMENDMENT NO. 2 TO FORM S-1

Amendment No. 2 to Form S-1 Table of Contents As filed with the Securities and Exchange Commission on January 29, 2015 Registration Statement No. 333-201597 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 K2M Group Holdings, Inc. (Exact name of Registrant as specified in its charter) Delawar

January 29, 2015 8-K

Results of Operations and Financial Condition

8-K 1 form8-kdatedjanuary292015.htm FORM 8-K DATED JANUARY 29, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): January 29, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-3

January 28, 2015 S-1/A

KTWO / K2M Group Holdings, Inc. S-1/A - - S-1/A

S-1/A As filed with the Securities and Exchange Commission on January 28, 2015 Registration Statement No.

January 28, 2015 EX-10.41

Form of Stock Option Award Agreement for employees and consultants, under the K2M Group Holdings, Inc. 2010 Equity Award Plan (incorporated by reference to Exhibit 10.41 to the Registrant’s Registration Statement on Form S-1 filed on January 28, 2015 (No. 333-201597))

EX-10.41 EXHIBIT 10.41 K2M Group Holdings, Inc. 2010 Equity Award Plan Stock Option Award Agreement THIS AWARD AGREEMENT, effective the Grant Date specified below, represents the grant of a nonqualified (“Option”) by K2M Group Holdings, Inc. (the “Company”), to the Participant named below, pursuant to the provisions of the K2M Group Holdings, Inc. 2010 Equity Award Plan (the “Plan”). The Plan prov

January 28, 2015 EX-10.39

Form of Incentive Stock Option Agreement under the Amended and Restated 2006 Stock Option and Grant Plan and Stock Restriction Agreement (incorporated by reference to Exhibit 10.39 to the Registrant’s Registration Statement on Form S-1 filed on January 28, 2015 (No. 333-201597))

EX-10.39 EXHIBIT 10.39 K2M, Inc. Incentive Stock Option Agreement under the Amended and Restated 2006 Stock Option and Grant Plan and Stock Restriction Agreement Name of Optionee: (the “Optionee”) No. of Option Shares: Shares of Common Stock Grant Date: (the “Grant Date”) Expiration Date: (the “Expiration Date”) Option Exercise Price/Share: (the “Option Exercise Price”) Pursuant to the K2M, Inc. A

January 28, 2015 EX-1.1

[—] Shares K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT

EX-1.1 Exhibit 1.1 [—] Shares K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT [—], 2015 PIPER JAFFRAY & CO. BARCLAYS CAPITAL INC. WELLS FARGO SECURITIES, LLC As Representatives of the several Underwriters named in Schedule II hereto c/o Piper Jaffray & Co. 800 Nicollet Mall Minneapolis, Minnesota 55402 c/o Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 c/o Wells Fargo S

January 28, 2015 EX-10.42

Form of Option Agreement under the K2M Group Holdings, Inc. 2014 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.42 to the Registrant’s Registration Statement on Form S-1 filed on January 28, 2015 (No. 333-201597))

EX-10.42 Exhibit 10.42 OPTION GRANT NOTICE UNDER THE K2M GROUP HOLDINGS, INC. 2014 OMNIBUS INCENTIVE PLAN K2M Group Holdings, Inc. (the “Company”), pursuant to its 2014 Omnibus Incentive Plan (the “Plan”), hereby grants to the Participant set forth below the number of Options (each Option representing the right to purchase one share of Common Stock) set forth below, at an Exercise Price per share

January 28, 2015 EX-10.40

Form of Stock Option Award Agreement for directors, under the K2M Group Holdings, Inc. 2010 Equity Award Plan (incorporated by reference to Exhibit 10.40 to the Registrant’s Registration Statement on Form S-1 filed on January 28, 2015 (No. 333-201597))

EX-10.40 EXHIBIT 10.40 K2M Group Holdings, Inc. 2010 Equity Award Plan Stock Option Award Agreement THIS AWARD AGREEMENT, effective the Grant Date specified below, represents the grant of a nonqualified (“Option”) by K2M Group Holdings, Inc. (the “Company”), to the Participant named below, pursuant to the provisions of the K2M Group Holdings, Inc. 2010 Equity Award Plan (the “Plan”). The Plan prov

January 28, 2015 EX-10.15

K2M Group Holdings, Inc. 2014 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.15 to the Registrant’s Registration Statement on Form S-1 filed on January 28, 2015 (No. 333-194550))

EX-10.15 Exhibit 10.15 K2M GROUP HOLDINGS, INC. 2014 EMPLOYEE STOCK PURCHASE PLAN ARTICLE I — PURPOSE 1.01 Purpose The K2M Group Holdings, Inc. 2014 Employee Stock Purchase Plan is intended to provide a method whereby employees of the Company and its Corporate Affiliates will have an opportunity to acquire a proprietary interest in the Company through the purchase of Stock. It is the intention of

January 22, 2015 SC 13G

KTWO / K2M Group Holdings, Inc. / Welsh, Carson, Anderson & Stowe XI, L.P. - SCHEDULE 13G FOR K2M GROUP HOLDING, INC. FOR WELSH, CARSON, ANDERSON & STOWE XI, L.P. Passive Investment

SC 13G 1 s13g012115-k2mgrp.htm SCHEDULE 13G FOR K2M GROUP HOLDING, INC. FOR WELSH, CARSON, ANDERSON & STOWE XI, L.P. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* K2M Group Holdings, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 48273J107 (CUSIP Number) December

January 20, 2015 S-1

KTWO / K2M Group Holdings, Inc. S-1 - Registration Statement - S-1

S-1 Table of Contents As filed with the Securities and Exchange Commission on January 20, 2015 Registration Statement No.

January 20, 2015 EX-21.1

The following are subsidiaries of K2M Group Holdings, Inc. and the jurisdictions in which they are organized.

EX-21.1 Exhibit 21.1 The following are subsidiaries of K2M Group Holdings, Inc. and the jurisdictions in which they are organized. Entity Name Jurisdiction of Organization K2M Holdings, Inc. DE K2M, Inc. DE K2M Solutions, Inc. DE K2M Solutions Australia Pty Ltd Australia K2M Solutions Canada, Inc. British Columbia K2M Spine Solutions (Schweiz) GmbH Switzerland K2M UK Limited UK K2M Germany GmbH Ge

January 15, 2015 EX-10.1

FIFTH AMENDMENT TO CREDIT AGREEMENT

Exhibit 10.1 Execution Version FIFTH AMENDMENT TO CREDIT AGREEMENT This Fifth Amendment to Credit Agreement (this “Amendment”) is entered into as of January 9, 2015, by and among K2M HOLDINGS, INC., a Delaware corporation (“Holdings”), K2M, INC., a Delaware corporation (the “US Borrower”) and K2M UK LIMITED, a company incorporated in England and Wales with company registration number 06950302 and

January 15, 2015 8-K/A

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K/A 1 form8-kadatedjanuary92015x.htm 8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 9, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2

January 12, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 form8-kdatedjanuary122015x.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported): January 12, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of I

January 12, 2015 EX-99.1

K2M Group Holdings, Inc. Reports Preliminary Fourth Quarter and Full Year 2014 Financial Results, including Q4 US Complex Spine Growth of 20%

Exhibit 99.1 K2M Group Holdings, Inc. Reports Preliminary Fourth Quarter and Full Year 2014 Financial Results, including Q4 US Complex Spine Growth of 20% Leesburg, VA, January 12, 2015 - K2M Group Holdings, Inc. (NASDAQ:KTWO) today reported certain preliminary financial results for the three months and twelve months ending December 31, 2014. Preliminary Highlights: • Total Q4 revenue of $48.7 mil

January 9, 2015 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 7, 2015 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employ

January 9, 2015 EX-10.1

Fifth Amendment to Credit Agreement and First Amendment to Guarantee and Collateral Agreement entered into as of January 7, 2015, by and among K2M Holdings, Inc., K2M, Inc. and K2M UK Limited, as borrowers, the several banks and other financial institutions or entities party thereto, Silicon Valley Bank, as the Issuing Lender and the Swingline Lender, and Silicon Valley Bank, as administrative agent and collateral agent for the lenders (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on January 9, 2015 (No. 001-36433))

Exhibit 10.1 Execution Version FIFTH AMENDMENT TO CREDIT AGREEMENT This Fifth Amendment to Credit Agreement (this “Amendment”) is entered into as of January 7, 2014, by and among K2M HOLDINGS, INC., a Delaware corporation (“Holdings”), K2M, INC., a Delaware corporation (the “US Borrower”) and K2M UK LIMITED, a company incorporated in England and Wales with company registration number 06950302 and

December 12, 2014 EX-10.1

Deed of Lease, made as of December 10, 2014, by and between TC Oaklawn Owner, LLC and K2M Group Holdings, Inc. (incorporated by reference to Exhibit 10.1 to the Registrants' Current Report on Form 8-K filed on December 12, 2014 (No. 001-36443))

EX-10.1 Execution Copy DEED OF LEASE TABLE OF CONTENTS Page Article I BASIC TERMS AND DEFINITIONS 1 Article II TENANT’S COVENANTS 6 2.1 Tenant’s Covenant to Pay Rent 6 2.1.1 Rent Payment Date 6 2.1.2 Late Charge and Interest 6 2.1.3 Reduced Rent Period 6 2.2 Tenant’s Covenant to Pay Additional Rent 7 2.2.1 Defined Terms 7 2.2.2 Payment Covenant 11 2.2.3 Monthly Estimated Payments 12 2.2.4 Annual R

December 12, 2014 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 d837554d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report December 11, 2014 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer Iden

October 29, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report October 29, 2014 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer Identification No.) 751 Miller

October 29, 2014 EX-99.1

K2M Group Holdings, Inc. Reports Third Quarter Revenue Growth of 20% and Financial Results; Complex Spine Growth of 29% Year-over-Year

Exhibit 99.1 K2M Group Holdings, Inc. Reports Third Quarter Revenue Growth of 20% and Financial Results; Complex Spine Growth of 29% Year-over-Year Leesburg, VA, October 29, 2014 - K2M Group Holdings, Inc. (NASDAQ:KTWO) today reported financial results for the three months ended September 30, 2014. Third Quarter Highlights: • Total revenue of $47.6 million, up 19.7% year-over-year • Domestic reven

October 24, 2014 8-K

Entry into a Material Definitive Agreement

8-K 1 form8-kdatedoctober212014.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 21, 2014 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36443 27-2977810 (State of Incorpo

October 24, 2014 EX-10.1

Fourth Amendment to Credit Agreement entered into as of October 21, 2014, by and among K2M Holdings, Inc., K2M, Inc. and K2M UK Limited, as borrowers, the several banks and other financial institutions or entities party thereto, Silicon Valley Bank, as the Issuing Lender and the Swingline Lender, and Silicon Valley Bank, as administrative agent and collateral agent for the lenders (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on October 24, 2014 (No. 001-36433))

Exhibit 10.1 Execution Version FOURTH AMENDMENT TO CREDIT AGREEMENT This Fourth Amendment to Credit Agreement and First Amendment to Guarantee and Collateral Agreement (this “Amendment”) is entered into as of October 21, 2014, by and among K2M HOLDINGS, INC., a Delaware corporation (“Holdings”), K2M, INC., a Delaware corporation (the “US Borrower”) and K2M UK LIMITED, a company incorporated in Eng

August 6, 2014 EX-99.1

K2M Group Holdings, Inc. Reports Second Quarter 2014 Financial Results; Revenue Growth of 18% Year-over-Year

Exhibit 99.1 K2M Group Holdings, Inc. Reports Second Quarter 2014 Financial Results; Revenue Growth of 18% Year-over-Year Leesburg, VA, August 6, 2014 – K2M Group Holdings, Inc. (NASDAQ:KTWO) today reported financial results for the three months ended June 30, 2014. Second Quarter Highlights: • Total revenue of $47.5 million, up 18.4% year-over-year • Domestic revenue of $33.2 million, up 11.6% ye

August 6, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report August 6, 2014 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36442 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer Identification No.) 751 Miller D

June 4, 2014 EX-99.1

K2M Group Holdings, Inc. Reports First Quarter 2014 Financial Results and Provides 2014 Full Year Outlook Q1 Revenue Growth in Excess of 20%

K2M Group Holdings, Inc. Reports First Quarter 2014 Financial Results and Provides 2014 Full Year Outlook Q1 Revenue Growth in Excess of 20% Leesburg, VA, June 4, 2014 - K2M Group Holdings, Inc. (NASDAQ:KTWO) today reported financial results for the three months ended March 31, 2014. First Quarter Highlights: • Total revenue of $42.3 million, up 20.4% year-over-year • International revenue of $12.

June 4, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 4, 2014 K2M GROUP HOLDINGS, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-36442 27-2977810 (State of Incorporation) (Commission File No.) (IRS Employer

May 13, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Other Events

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): May 7, 2014 K2M Group Holdings, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-36443 27-2977810 (State or Other Jurisdiction of Incorporation) (Comm

May 13, 2014 EX-3.1

Third Amended and Restated Certificate of Incorporation of K2M Group Holdings, Inc. (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on May 13, 2014 (No. 001-36443))

EX-3.1 Exhibit 3.1 THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF K2M GROUP HOLDINGS, INC. * * * * * The present name of the corporation is K2M Group Holdings, Inc. (the “Corporation”). The Corporation was incorporated under the name “Altitude Group Holdings, Inc.” by the filing of its original Certificate of Incorporation with the Secretary of State of the State of Delaware on June 29

May 13, 2014 EX-3.2

AMENDED AND RESTATED K2M GROUP HOLDINGS, INC. ARTICLE I

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF K2M GROUP HOLDINGS, INC. ARTICLE I Offices SECTION 1.01 Registered Office. The registered office and registered agent of K2M Group Holdings, Inc. (the “Corporation”) in the State of Delaware shall be as set forth in the Certificate of Incorporation (as defined below). The Corporation may also have offices in such other places in the United States o

May 9, 2014 424B4

The date of this prospectus is May 7, 2014.

424B4 1 d640289d424b4.htm 424(B)(4) Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-194550 8,825,000 Shares K2M GROUP HOLDINGS, INC. Common Stock $15.00 per share • K2M Group Holdings, Inc. is offering 8,825,000 shares. • This is our initial public offering and no public market currently exists for our shares. • The initial public offering price is $15.00 per share. • Our c

May 7, 2014 8-A12B

- 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 K2M Group Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 27-2977810 (State of incorporation or organization) (I.R.S. Employer Identification No.) 751 Miller Drive SE

May 7, 2014 S-8

- FORM S-8

S-8 1 d723044ds8.htm FORM S-8 As filed with the Securities and Exchange Commission on May 7, 2014. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 K2M Group Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 27-2977810 (State or other jurisdiction of incorporat

May 6, 2014 CORRESP

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Acceleration Request May 6, 2014 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

May 6, 2014 CORRESP

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CORRESP 1 filename1.htm May 6, 2014 VIA EDGAR Re: K2M Group Holdings, Inc. Registration Statement on Form S-1 File No. 333-194550 Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Amanda Ravitz Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, K2M Group Holdings, Inc. (the “Company”) hereby

May 2, 2014 EX-10.34

Third Amendment to Credit Agreement entered into as of April 30, 2014, by and among K2M Holdings, Inc., K2M, Inc. and K2M UK Limited, as borrowers, the several banks and other financial institutions or entities party thereto, Silicon Valley Bank, as the Issuing Lender and the Swingline Lender, and Silicon Valley Bank, as administrative agent and collateral agent for the lenders (incorporated by reference to Exhibit 10.34 to the Registrant’s Registration Statement on Form S-1 filed on May 2, 2014 (No. 333-194550))

EX-10.34 3 d640289dex1034.htm EX-10.34 Exhibit 10.34 EXECUTION VERSION THIRD AMENDMENT TO CREDIT AGREEMENT This Third Amendment to Credit Agreement (this “Amendment”) is entered into as of April 30, 2014, by and among K2M HOLDINGS, INC., a Delaware corporation (“Holdings”), K2M, INC., a Delaware corporation (the “US Borrower”) and K2M UK LIMITED, a company incorporated in England and Wales with co

May 2, 2014 S-1/A

- S-1/A

S-1/A Table of Contents As filed with the Securities and Exchange Commission on May 2, 2014 Registration Statement No.

May 2, 2014 FWP

K2M GROUP HOLDINGS, INC.

FWP 1 d640289dfwp.htm FWP Issuer Free Writing Prospectus dated May 2, 2014 Relating to Preliminary Prospectus dated April 22, 2014 Filed Pursuant to Rule 433 Registration No. 333-194550 K2M GROUP HOLDINGS, INC. As part of our anticipated transition to a public company, we are in discussions with the lenders to modify our revolving credit facility. We recently agreed upon a non-binding term sheet w

May 2, 2014 EX-1.1

[—] Shares1 K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT

EX-1.1 Exhibit 1.1 [—] Shares1 K2M Group Holdings, Inc. Common Stock PURCHASE AGREEMENT [—], 2014 PIPER JAFFRAY & CO. BARCLAYS CAPITAL INC. WELLS FARGO SECURITIES, LLC As Representatives of the several Underwriters named in Schedule II hereto c/o Piper Jaffray & Co. 800 Nicollet Mall Minneapolis, Minnesota 55402 c/o Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 c/o Wells Fargo

April 29, 2014 FWP

K2M GROUP HOLDINGS, INC. RECENT DEVELOPMENTS

FWP Issuer Free Writing Prospectus dated April 29, 2014 Relating to Preliminary Prospectus dated April 22, 2014 Filed Pursuant to Rule 433 Registration No.

April 22, 2014 EX-10.33

[K2M Letterhead]

EX-10.33 Exhibit 10.33 [K2M Letterhead] [Date] [Name] [Address] Re: RSUs Dear [Name]: Reference is made to your Restricted Stock Unit Award Agreement with K2M Group Holdings, Inc. (the “Company”), dated as of [Date] (the “RSU Agreement”). Capitalized terms not defined herein have the meanings assigned to such terms under your RSU Agreement. “Period of Restriction” of your RSU Agreement is deleted

April 22, 2014 EX-10.15

K2M GROUP HOLDINGS, INC. 2014 EMPLOYEE STOCK PURCHASE PLAN ARTICLE I — PURPOSE

EX-10.15 Exhibit 10.15 K2M GROUP HOLDINGS, INC. 2014 EMPLOYEE STOCK PURCHASE PLAN ARTICLE I — PURPOSE 1.01 Purpose The K2M Group Holdings, Inc. 2014 Employee Stock Purchase Plan is intended to provide a method whereby employees of the Company and its Corporate Affiliates will have an opportunity to acquire a proprietary interest in the Company through the purchase of Stock. It is the intention of

April 22, 2014 EX-10.32

Form of Restricted Stock Unit Award Agreement under the K2M Group Holdings, Inc. 2010 Equity Award Plan (incorporated by reference to Exhibit 10.32 to the Registrant’s Registration Statement on Form S-1 filed on April 22, 2014 (No. 333-194550))

EX-10.32 Exhibit 10.32 K2M GROUP HOLDINGS, INC. 2010 EQUITY AWARD PLAN FORM OF RESTRICTED STOCK UNIT AWARD AGREEMENT [—] [Name of Grantee] [Address of Grantee] In accordance with the terms of the K2M Group Holdings, Inc. 2010 Equity Award Plan (“Plan”), pursuant to action of the Compensation Committee of the Board of Directors, K2M Group Holdings, Inc. hereby grants to you (“Grantee”), subject to

April 22, 2014 EX-10.16

K2M, Inc. 2014 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.16 to the Registrant’s Registration Statement on Form S-1 filed on April 22, 2014 (No. 333-194550))

EX-10.16 Exhibit 10.16 K2M GROUP HOLDINGS, INC. 2014 OMNIBUS INCENTIVE PLAN 1. Purpose. The purpose of the K2M Group Holdings, Inc. 2014 Omnibus Incentive Plan is to provide a means through which the Company and its Affiliates may attract and retain key personnel and to provide a means whereby directors, officers, employees, consultants and advisors (and prospective directors, officers, employees,

April 22, 2014 EX-3.1

THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION K2M GROUP HOLDINGS, INC. * * * * *

EX-3.1 2 d640289dex31.htm EX-3.1 Exhibit 3.1 THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF K2M GROUP HOLDINGS, INC. * * * * * The present name of the corporation is K2M Group Holdings, Inc. (the “Corporation”). The Corporation was incorporated under the name “Altitude Group Holdings, Inc.” by the filing of its original Certificate of Incorporation with the Secretary of State of the St

April 22, 2014 EX-3.2

AMENDED AND RESTATED K2M GROUP HOLDINGS, INC. ARTICLE I

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF K2M GROUP HOLDINGS, INC. ARTICLE I Offices SECTION 1.01 Registered Office. The registered office and registered agent of K2M Group Holdings, Inc. (the “Corporation”) in the State of Delaware shall be as set forth in the Certificate of Incorporation (as defined below). The Corporation may also have offices in such other places in the United States o

April 22, 2014 S-1/A

- AMENDMENT NO. 2 TO FORM S-1

Amendment No. 2 to Form S-1 Table of Contents As filed with the Securities and Exchange Commission on April 22, 2014 Registration Statement No. 333-194550 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 K2M Group Holdings, Inc. (Exact name of Registrant as specified in its charter) Delaware

April 22, 2014 EX-10.31

Registration Rights Agreement, dated August 12, 2010, by and among K2M Group Holdings, Inc., Welsh, Carson, Anderson & Stowe XI, L.P., FFC Partners III, L.P. and the other stockholders named therein (incorporated by reference to Exhibit 10.31 to the Registrant’s Registration Statement on Form S-1 April 22, 2014 (No. 333-194550))

EX-10.31 Exhibit 10.31 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT, dated as of August , 2010 (as from time to time amended, modified or supplemented, this “Agreement”), by and among K2M GROUP HOLDINGS, INC., a Delaware corporation (the “Company”), WELSH, CARSON, ANDERSON & STOWE XI, L.P., a Delaware limited partnership (“WCAS”), FFC Partners III, L.P., a Delaware limited partnersh

April 18, 2014 CORRESP

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CORRESP 1 filename1.htm SIMPSON THACHER & BARTLETT LLP 425 LEXINGTON AVENUE NEW YORK, NY 10017-3954 (212) 455-2000 FACSIMILE (212) 455-2502 DIRECT DIAL NUMBER (212) 455-3352 E-MAIL ADDRESS [email protected] April 18, 2014 VIA EDGAR Re: K2M Group Holdings, Inc. Registration Statement on Form S-1 Filed March 13, 2014 File No. 333-194550 CIK No. 1499807 Amanda Ravitz Securities and Exchange Commiss

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