Introduction

This page provides a comprehensive analysis of the known insider trading history of Mark McCombe. Insiders are officers, directors, or significant investors in a company. It is illegal for insiders to make trades in their companies based on specific, non-public information. This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4. Despite these restrictions, academic research suggests that insiders - in general - tend to outperform the market in their own companies.

Average Trade Profitability

The average trade profitability is the average return of all the open market purchases made by the insider in the last three years. To calculate this, we examine every open-market, unplanned purchase made by the insider, excluding all trades that were marked as part of a 10b5-1 trading plan. We then calculate the average performance of those trades over 3, 6, and 12 months, averaging each of those durations to generate a final performance metric for each trade. Finally, we average all of the performance metrics to calculate a performance metric for the insider. This list only includes insiders that have made at least three trades in the last two years.

If this insiders trade profitability is "N/A", then the insider either has not made any open-market purchases in the last three years, or the trades they’ve made are too recent to calculate a reliable performance metric.

Update Frequency: Daily

See the list of most profitable insider traders.

Companies with Reported Insider Positions

The SEC filings indicate Mark McCombe has reported holdings or trades in the following companies:

Security Title Latest Reported Holdings
US:BLK / BlackRock, Inc. Senior Managing Director 20,106
How to Interpret the Charts

The following charts show the stock performance of securities subsequent to each open-market, non-planned trade made by Mark McCombe. Non-planned trade are trades that were not made as part of a 10b5-1 trading plan. The stock performance is charted as cumulative percent change in share price. For example, if an insider trade was made on January 1, 2019, the chart will show the daily percent change of the security to the present day. If the share price were to go from $10 to $15 during this time, the cumulative percent change in share price would be 50%. A change in price from $10 to $20 would be 100%, and a change in price of $10 to $5 would be -50%.

Ultimately, we are trying to determine how closely the insider’s trades correlate to excess returns (positive or negative) in the share price in order to see if the insider is timing their trades to profit from insider information. Consider the situation where an insider was doing this. In this situation, we would expect either (a) positive returns after purchases, or (b) negative returns after sales. In the case of (a), the PURCHASE chart would show a series of upwardly sloping curves, indicating positive returns after each purchase transaction. In the case of (b), the SALE chart would show a series of downward sloping curves, indicating negative returns after each sale transaction.

However, this alone is not enough to draw conclusions. If, for example, the share price of the company was in a non-cyclical climb over many years, then we would expect all the post-purchase plots to be upwardly sloping. Likewise, non-cyclical declines over many years would result in downward sloping post-trade plots. Neither of these charts would suggest insider trading activity.

The strongest indicator would be a situation where the share price was extremely cyclical, and there were both positive signals in the PURCHASE chart and negative plots on the SALE chart. This situation would be highly suggestive of an insider that was timing trades to their financial advantage.

Insider Trading History

This table shows the complete list of insider trades made by Mark McCombe as disclosed to the Securities Exchange Commission (SEC).

File Date Tran Date Form Ticker Security Code 10b5-1 Shares Remaining Shares Percent
Change
Share
Price
Tran
Value
Remaining
Value
2022-11-15 2022-11-11 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,000 20,106 -4.74 770.55 -770,554 15,492,751
2022-08-19 2022-08-18 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,360 21,106 -6.05 739.79 -1,006,110 15,613,934
2022-02-09 2022-02-07 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -122 22,466 -0.54
2022-02-09 2022-02-07 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -400 22,588 -1.74 818.95 -327,580 18,498,443
2022-02-09 2022-02-07 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,000 22,988 -4.17 819.47 -819,469 18,837,949
2022-02-02 2022-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -4,871 23,988 -16.88 808.14 -3,936,450 19,385,662
2022-02-02 2022-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 7,044 28,859 32.29
2022-01-20 2022-01-18 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,011 21,815 16.01 832.07 2,505,363 18,151,607
2022-01-14 2022-01-12 4 BLK BlackRock Inc.
Employee Stock Option (Right to Buy)
A - Award 108,190 108,190
2021-08-18 2021-08-16 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -2,000 18,804 -9.61 910.50 -1,821,000 17,121,042
2021-04-29 2021-04-27 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,000 20,804 -4.59 815.32 -815,322 16,961,955
2021-02-04 2021-02-04 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,777 21,804 -7.54 734.63 -1,305,438 16,017,883
2021-02-02 2021-02-02 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,476 23,581 -5.89 726.09 -1,071,709 17,121,928
2021-02-02 2021-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -3,204 25,057 -11.34 701.26 -2,246,837 17,571,472
2021-02-02 2021-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,526 28,261 14.26
2021-01-27 2021-01-25 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -408 24,735 -1.62
2021-01-15 2021-01-15 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 2,672 25,143 11.89 739.22 1,975,196 18,586,208
2020-07-22 2020-07-20 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -3,000 22,471 -11.78 580.16 -1,740,472 13,036,712
2020-05-28 2020-05-26 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,500 25,471 -5.56 527.53 -791,295 13,436,717
2020-02-21 2020-02-21 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -175 26,971 -0.64
2020-02-04 2020-02-04 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -2,300 27,146 -7.81 539.01 -1,239,723 14,631,965
2020-02-04 2020-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -4,583 29,446 -13.47 539.69 -2,473,399 15,891,712
2020-02-04 2020-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 5,762 34,029 20.38
2020-01-31 2020-01-30 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,336 28,267 -4.51 534.05 -713,489 15,095,949
2020-01-31 2020-01-30 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -95 29,603 -0.32
2020-01-21 2020-01-16 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 2,155 29,698 7.82 533.58 1,149,865 15,846,259
2019-02-07 2019-02-06 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -3,000 27,543 -9.82 417.04 -1,251,120 11,486,533
2019-02-07 2019-02-05 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -110 30,543 -0.36
2019-02-01 2019-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -4,722 30,653 -13.35 408.33 -1,928,134 12,516,539
2019-02-01 2019-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 5,605 35,375 18.83
2019-01-22 2019-01-17 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,503 29,770 13.34 410.32 1,437,333 12,215,078
2018-02-13 2018-02-12 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -100 26,267 -0.38
2018-02-13 2018-02-12 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -2,000 26,367 -7.05 520.64 -1,041,280 13,727,715
2018-02-02 2018-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -6,719 28,367 -19.15 562.29 -3,778,027 15,950,480
2018-02-02 2018-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 4,457 35,086 14.55
2018-01-18 2018-01-16 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,134 30,629 11.40
2017-10-13 2017-10-12 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,000 27,495 -3.51 478.99 -478,990 13,169,830
2017-05-26 2017-05-26 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -500 28,495 -1.72 405.98 -202,988 11,568,272
2017-02-15 2017-02-13 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -132 28,995 -0.45
2017-02-03 2017-02-03 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -4,680 29,127 -13.84 375.00 -1,755,000 10,922,625
2017-02-02 2017-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -5,705 33,807 -14.44 375.18 -2,140,402 12,683,710
2017-01-19 2017-01-17 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,797 39,512 10.63
2016-08-31 2016-08-30 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -1,400 35,715 -3.77 374.92 -524,888 13,390,268
2016-05-13 2016-05-12 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -140 37,115 -0.38
2016-03-11 2016-03-09 4 BLK BlackRock Inc.
Shares Of Common Stock (par value $0.01 per share)
A - Award 507 37,255 1.38
2016-02-03 2016-02-01 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -3,801 36,748 -9.37 314.26 -1,194,502 11,548,426
2016-01-21 2016-01-19 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 4,305 40,549 11.88
2015-12-01 2015-11-30 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -12 36,244 -0.03
2015-04-21 2015-04-17 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
G - Gift -27 36,256 -0.07
2015-02-03 2015-01-31 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
F - Taxes -716 36,283 -1.94 340.51 -243,805 12,354,724
2015-01-21 2015-01-16 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,635 36,999 10.89
2014-08-18 2014-08-14 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
S - Sale -3,500 33,364 -9.49 314.00 -1,099,000 10,476,296
2014-01-22 2014-01-17 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 6,144 36,864 20.00
2014-01-22 2014-01-17 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,369 30,720 12.32
2013-01-23 2013-01-18 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 9,861 27,351 56.38
2013-01-23 2013-01-18 4 BLK BlackRock Inc.
Shares Of Common Stock (par Value $0.01 Per Share)
A - Award 3,441 17,490 24.49
2012-01-24 2012-01-20 4 BLK BlackRock Inc.
Shares of Common Stock (par value $0.01 per share)
A - Award 8,737 14,049 164.48
2012-01-24 2012-01-20 4 BLK BlackRock Inc.
Shares of Common Stock (par value $0.01 per share)
A - Award 1,769 5,312 49.93
2012-01-18 2012-01-17 4 BLK BlackRock Inc.
Shares of Common Stock (par value $0.01 per share)
A - Award 3,543 3,543
2012-01-10 3 BLK BlackRock Inc.
Common Stock
0
P
Open market or private purchase of non-derivative or derivative security
S
Open market or private sale of non-derivative or derivative security
A
Grant, award, or other acquisition of securities from the company (such as an option)
C
Conversion of derivative
D
Sale or transfer of securities back to the company
F
Payment of exercise price or tax liability using portion of securities received from the company
G
Gift of securities by or to the insider
K
Equity swaps and similar hedging transactions
M
Exercise or conversion of derivative security received from the company (such as an option)
V
A transaction voluntarily reported on Form 4
J
Other (accompanied by a footnote describing the transaction)