Introduction

This page provides a comprehensive analysis of the known insider trading history of Michael D Cordano. 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 Michael D Cordano has reported holdings or trades in the following companies:

Security Title Latest Reported Holdings
US:MU / Micron Technology, Inc. EVP, Worldwide Sales 38,617
US:WDC / Western Digital Corporation President and COO 227,081
How to Interpret the Charts

The following charts show the stock performance of securities subsequent to each open-market, non-planned trade made by Michael D Cordano. 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 Michael D Cordano 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
2025-01-24 3 MU MICRON TECHNOLOGY INC
Common Stock
38,617
2020-02-14 2020-02-12 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -300 227,081 -0.13 71.20 -21,361 16,168,917
2020-02-14 2020-02-12 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -9,516 227,381 -4.02 70.49 -670,792 16,028,314
2020-02-07 2020-02-05 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -200 236,897 -0.08 70.16 -14,032 16,620,694
2020-02-04 2020-01-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -318 237,097 -0.13 68.63 -21,824 16,271,825
2020-02-04 2020-01-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -900 237,415 -0.38 67.94 -61,150 16,131,020
2020-02-04 2020-01-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,900 238,315 -1.20 66.67 -193,357 15,889,605
2020-02-04 2020-01-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,897 241,215 -2.39 65.68 -387,308 15,842,736
2020-01-23 2020-01-23 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,834 247,112 -0.74 71.56 -131,240 17,683,261
2020-01-23 2020-01-23 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -12,872 248,946 -4.92 70.69 -909,899 17,597,545
2020-01-23 2020-01-21 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 699 6,077 13.01
2020-01-16 2020-01-14 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,034 261,818 -0.77 70.15 -142,681 18,366,035
2019-12-17 2019-12-16 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,595 263,852 -0.97 57.65 -149,609 15,211,807
2019-12-17 2019-12-16 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -3,769 266,447 -1.39 56.68 -213,618 15,101,603
2019-12-17 2019-12-13 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,320 270,216 -0.49 55.12 -72,764 14,895,468
2019-11-07 2019-11-05 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -300 271,310 -0.11 55.09 -16,526 14,945,491
2019-11-04 2019-11-04 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,625 271,610 -2.03 55.01 -309,424 14,940,940
2019-11-04 2019-10-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,539 277,235 -0.55 57.53 -88,543 15,950,189
2019-11-04 2019-10-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -129 278,774 -0.05 56.04 -7,229 15,621,798
2019-11-04 2019-10-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,693 278,903 -0.60 55.18 -93,423 15,390,481
2019-11-04 2019-10-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -150 280,596 -0.05 54.19 -8,128 15,204,291
2019-11-04 2019-10-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -598 280,746 -0.21 53.37 -31,915 14,983,161
2019-11-04 2019-10-31 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -531 281,344 -0.19 51.94 -27,582 14,614,133
2019-10-24 2019-10-22 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 810 5,378 17.75
2019-09-06 2019-09-04 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -1,657 4,567 -26.62
2019-09-06 2019-09-04 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 40,451 281,875 16.76
2019-09-06 2019-09-04 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -13,165 241,424 -5.17 59.33 -781,079 14,323,686
2019-09-06 2019-09-04 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 1,657 254,589 0.66
2019-09-06 2019-09-04 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 24,897 252,932 10.92
2019-09-03 2019-08-30 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -396 6,665 -5.61
2019-09-03 2019-08-30 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,896 228,035 -2.10 57.27 -280,394 13,059,564
2019-09-03 2019-08-30 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 395 232,931 0.17
2019-08-06 2019-08-03 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -748 7,060 -9.58
2019-08-06 2019-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,222 232,536 -1.78 54.39 -229,635 12,647,633
2019-08-06 2019-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 748 236,758 0.32
2019-08-06 2019-08-02 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -524 7,809 -6.29
2019-08-06 2019-08-02 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,165 236,010 -1.73 54.39 -226,534 12,836,584
2019-08-06 2019-08-02 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 524 240,175 0.22
2019-07-17 2019-07-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,404 8,333 20.27
2019-04-17 2019-04-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,466 6,929 26.83
2019-03-08 2019-03-07 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -8,332 5,463 -60.40
2019-03-08 2019-03-07 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -42,309 239,425 -15.02 46.99 -1,988,100 11,250,581
2019-03-08 2019-03-07 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 8,331 281,734 3.05
2019-01-16 2019-01-14 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 3,161 13,795 29.73
2018-11-06 2018-11-03 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -173 10,633 -1.60
2018-11-06 2018-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -967 273,403 -0.35 47.74 -46,165 13,052,259
2018-11-06 2018-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 172 274,370 0.06
2018-10-17 2018-10-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 2,205 10,806 25.64
2018-09-04 2018-08-30 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 37,926 274,198 16.05
2018-08-06 2018-08-04 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -674 8,601 -7.26
2018-08-06 2018-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -3,894 236,272 -1.62 67.96 -264,636 16,057,045
2018-08-06 2018-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 673 240,166 0.28
2018-08-06 2018-08-03 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -407 9,274 -4.20
2018-08-06 2018-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,052 239,493 -1.66 67.96 -275,374 16,275,944
2018-08-06 2018-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 406 243,545 0.17
2018-08-06 2018-08-02 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -188 9,681 -1.90
2018-08-06 2018-08-02 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -3,998 243,139 -1.62 68.52 -273,943 16,659,884
2018-08-06 2018-08-02 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 187 247,137 0.08
2018-07-26 2018-07-25 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -4,689 9,869 -32.21
2018-07-26 2018-07-25 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -46,698 246,950 -15.90 75.63 -3,531,770 18,676,828
2018-07-26 2018-07-25 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 4,688 293,648 1.62
2018-07-26 2018-07-25 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 89,500 288,960 44.87
2018-07-18 2018-07-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,609 13,125 13.97
2018-04-18 2018-04-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,387 11,516 13.69
2018-03-08 2018-03-07 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -5,259 10,129 -34.18
2018-03-08 2018-03-07 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -42,411 198,935 -17.57 95.27 -4,040,496 18,952,537
2018-03-08 2018-03-07 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 5,258 241,346 2.23
2018-03-08 2018-03-06 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 7,012 15,388 83.71
2018-03-08 2018-03-06 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 166,929 236,088 241.37
2018-01-17 2018-01-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,312 8,376 18.58
2017-12-21 2017-12-19 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -1,401 11,210 -11.11
2017-12-21 2017-12-19 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,401 69,159 -1.99 85.00 -119,085 5,878,515
2017-12-21 2017-12-19 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 1,401 70,560 2.03 68.53 96,011 4,835,477
2017-11-13 2017-11-13 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -487 0 -100.00
2017-11-13 2017-11-13 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,397 69,159 -1.98 88.13 -123,118 6,094,983
2017-11-13 2017-11-13 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 487 70,556 0.70 68.49 33,355 4,832,380
2017-11-06 2017-11-03 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -121 7,064 -1.68
2017-11-06 2017-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -991 70,069 -1.39 87.01 -86,227 6,096,704
2017-11-06 2017-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 120 71,060 0.17
2017-10-16 2017-10-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,271 7,185 21.50
2017-09-20 2017-09-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -1,401 12,611 -10.00
2017-09-20 2017-09-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -4,959 487 -91.06
2017-09-20 2017-09-18 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -3,444 70,940 -4.63 89.11 -306,902 6,321,605
2017-09-20 2017-09-18 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,960 74,384 -7.42 88.47 -527,309 6,581,095
2017-09-20 2017-09-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 4,959 80,344 6.58 68.49 339,642 5,502,761
2017-09-20 2017-09-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 1,401 75,385 1.89 68.53 96,011 5,166,134
2017-09-13 2017-09-11 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -525 5,913 -8.15
2017-09-13 2017-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -3,319 73,984 -4.29 87.38 -290,014 6,464,722
2017-09-13 2017-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 524 77,303 0.68
2017-08-16 2017-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -3,102 76,779 -3.88 82.72 -256,586 6,350,882
2017-08-16 2017-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -568 79,881 -0.71 81.67 -46,389 6,523,881
2017-08-07 2017-08-04 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -491 6,438 -7.08
2017-08-07 2017-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,003 80,449 -4.74 81.17 -324,924 6,530,045
2017-08-07 2017-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 490 84,452 0.58
2017-08-07 2017-08-03 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -217 6,929 -3.03
2017-08-07 2017-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,166 83,962 -4.73 84.51 -352,069 7,095,629
2017-08-07 2017-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 216 88,128 0.25
2017-08-04 2017-08-02 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 31,516 87,912 55.88
2017-07-20 2017-07-20 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -270 56,396 -0.48 95.44 -25,769 5,382,457
2017-07-20 2017-07-20 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -4,684 56,666 -7.63 94.95 -444,739 5,380,357
2017-07-20 2017-07-19 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -662 7,145 -8.48
2017-07-20 2017-07-19 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -5,404 61,350 -8.10 94.48 -510,570 5,796,348
2017-07-20 2017-07-19 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 662 66,754 1.00
2017-07-20 2017-07-19 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 9,696 66,092 17.19
2017-07-19 2017-07-17 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,006 7,882 14.63
2017-06-13 2017-06-12 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -1,402 14,012 -9.10
2017-06-13 2017-06-12 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -9,920 5,446 -64.56
2017-06-13 2017-06-12 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -11,322 56,396 -16.72 85.00 -962,385 4,793,733
2017-06-13 2017-06-12 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 1,402 67,718 2.11 68.53 96,079 4,640,715
2017-06-13 2017-06-12 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 9,920 66,316 17.59 68.49 679,421 4,541,983
2017-05-08 2017-05-08 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -4,959 15,366 -24.40
2017-05-08 2017-05-08 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -4,959 55,871 -8.15 90.34 -447,996 5,047,386
2017-05-08 2017-05-08 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 4,959 60,830 8.88 68.49 339,642 4,166,247
2017-04-19 2017-04-17 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,124 6,875 19.54
2017-04-11 2017-04-10 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -4,960 20,325 -19.62
2017-04-11 2017-04-10 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -4,960 55,871 -8.15 85.40 -423,584 4,771,383
2017-04-11 2017-04-10 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 4,960 60,831 8.88 68.49 339,710 4,166,315
2017-04-11 2017-04-07 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -7,007 15,414 -31.25
2017-04-11 2017-04-07 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -15,170 25,285 -37.50
2017-04-11 2017-04-07 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -22,177 55,871 -28.41 85.00 -1,885,045 4,749,035
2017-04-11 2017-04-07 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 15,170 78,048 24.13 68.49 1,038,993 5,345,508
2017-04-11 2017-04-07 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 7,007 62,878 12.54 68.53 480,190 4,309,029
2017-02-07 2017-02-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 0 -100.00
2017-02-07 2017-02-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 55,871 -9.55 79.00 -465,784 4,413,809
2017-02-07 2017-02-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 61,767 10.55 43.11 254,177 2,662,775
2017-01-19 2017-01-17 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,311 5,752 29.54
2017-01-11 2017-01-09 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 5,896 -50.00
2017-01-11 2017-01-09 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 55,871 -9.55 70.90 -418,026 3,961,254
2017-01-11 2017-01-09 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 61,767 10.55 43.11 254,177 2,662,775
2017-01-03 2016-12-21 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,696 55,871 -2.95 71.25 -120,840 3,980,809
2016-12-07 2016-12-07 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 11,792 -33.33
2016-12-07 2016-12-07 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 54,014 -9.84 67.78 -399,631 3,661,069
2016-12-07 2016-12-07 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 59,910 10.92 43.11 254,177 2,582,720
2016-12-07 2016-12-05 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,857 54,014 -3.32 64.14 -119,108 3,464,458
2016-12-05 2016-12-01 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 17,688 -25.00
2016-12-05 2016-12-01 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 55,871 -9.55 65.00 -383,240 3,631,615
2016-12-05 2016-12-01 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 61,767 10.55 43.11 254,177 2,662,775
2016-11-08 2016-11-07 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -889 55,772 -1.57 56.41 -50,148 3,146,099
2016-11-07 2016-11-03 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -76 4,440 -1.68
2016-11-07 2016-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -968 56,661 -1.68 55.14 -53,376 3,124,288
2016-11-07 2016-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 76 57,629 0.13
2016-10-19 2016-10-17 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,767 4,516 64.28
2016-10-04 2016-10-03 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -600 57,553 -1.03 60.10 -36,062 3,459,125
2016-10-04 2016-10-03 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -17,650 58,153 -23.28 59.12 -1,043,433 3,437,889
2016-09-22 2016-09-21 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -7,185 0 -100.00
2016-09-22 2016-09-21 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -7,185 75,803 -8.66 54.50 -391,582 4,131,264
2016-09-22 2016-09-21 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 7,185 82,988 9.48 38.63 277,557 3,205,826
2016-09-13 2016-09-11 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -774 2,749 -21.97
2016-09-13 2016-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -7,106 75,803 -8.57 51.59 -366,599 3,910,677
2016-09-13 2016-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 773 82,909 0.94
2016-08-16 2016-08-14 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -1,037 3,523 -22.74
2016-08-16 2016-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -7,664 82,136 -8.53 44.31 -339,592 3,639,446
2016-08-16 2016-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 1,036 89,800 1.17
2016-08-08 2016-08-04 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -283 4,560 -5.83
2016-08-08 2016-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -2,805 88,764 -3.06 44.30 -124,262 3,932,245
2016-08-08 2016-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 282 91,569 0.31
2016-08-05 2016-08-03 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
A - Award 142,932 142,932
2016-08-05 2016-08-03 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 31,076 91,287 51.61
2016-07-19 2016-07-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,251 4,843 34.85
2016-05-23 2016-05-12 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 43 59,894 0.07
2016-04-18 2016-04-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 1,577 3,591 78.30
2016-01-20 2016-01-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 755 2,014 59.94
2015-11-05 2015-11-03 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
A - Award 22,421 22,421
2015-11-05 2015-11-03 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 5,343 59,682 9.83
2015-10-19 2015-10-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 404 1,259 47.26
2015-10-01 2015-09-30 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,849 54,339 -4.98 80.00 -227,920 4,347,120
2015-09-15 2015-09-11 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 23,584 -20.00
2015-09-15 2015-09-11 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -118 855 -12.09
2015-09-15 2015-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -16,011 57,188 -21.87 80.49 -1,288,725 4,603,062
2015-09-15 2015-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 73,199 8.76 43.11 254,177 3,155,609
2015-09-15 2015-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -3,108 67,303 -4.41 80.53 -250,287 5,419,911
2015-09-15 2015-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 117 70,411 0.17
2015-09-09 2015-09-06 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -1,147 973 -54.12
2015-09-09 2015-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -11,036 70,294 -13.57 80.02 -883,101 5,624,926
2015-09-09 2015-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 1,147 81,330 1.43
2015-08-20 2015-08-19 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,056 40,455 -11.11
2015-08-20 2015-08-19 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,395 7,185 -25.00
2015-08-20 2015-08-19 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -14,234 80,183 -15.08 82.02 -1,167,473 6,576,610
2015-08-20 2015-08-19 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,056 94,417 5.66 68.49 346,285 6,466,620
2015-08-20 2015-08-19 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,395 89,361 2.75 38.63 92,519 3,452,015
2015-08-18 2015-08-14 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -479 2,120 -18.43
2015-08-18 2015-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -7,399 86,966 -7.84 82.50 -610,418 7,174,695
2015-08-18 2015-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 478 94,365 0.51
2015-08-06 2015-08-04 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
A - Award 44,731 44,731
2015-08-06 2015-08-04 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 21,549 93,887 29.79
2015-07-16 2015-07-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 471 2,599 22.11
2015-06-10 2015-06-09 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -1,368 72,338 -1.86 91.47 -125,131 6,616,771
2015-06-10 2015-06-08 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,895 29,480 -16.66
2015-06-10 2015-06-08 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -8,374 73,706 -10.20 94.86 -794,344 6,991,633
2015-06-10 2015-06-08 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,895 82,080 7.74 43.11 254,133 3,538,469
2015-05-19 2015-05-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,057 45,511 -10.00
2015-05-19 2015-05-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,395 9,580 -20.00
2015-05-19 2015-05-18 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -7,452 75,961 -8.93 97.85 -729,201 7,433,012
2015-05-19 2015-05-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,057 83,413 6.45 68.49 346,354 5,712,956
2015-05-19 2015-05-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,395 78,356 3.15 38.63 92,519 3,026,892
2015-05-19 2015-05-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -388 2,128 -15.42
2015-05-19 2015-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -4,196 75,961 -5.23 97.67 -409,823 7,419,111
2015-05-19 2015-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 387 80,157 0.49
2015-04-20 2015-04-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 418 2,516 19.89
2015-04-15 2015-04-13 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -1,964 11,975 -14.09
2015-04-15 2015-04-13 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -8,152 79,770 -9.27 96.76 -788,819 7,718,856
2015-04-15 2015-04-13 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 1,964 87,922 2.28 38.63 75,869 3,396,427
2015-03-09 2015-03-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 35,375 -14.29
2015-03-09 2015-03-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 85,958 -6.42 104.77 -617,702 9,005,493
2015-03-09 2015-03-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 91,854 6.86 43.11 254,177 3,959,826
2015-02-24 2015-02-23 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,057 50,568 -9.09
2015-02-24 2015-02-23 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,057 85,958 -5.56 111.47 -563,704 9,581,738
2015-02-24 2015-02-23 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,057 91,015 5.88 68.49 346,354 6,233,617
2015-02-17 2015-02-17 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,394 13,939 -14.66
2015-02-17 2015-02-17 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,394 85,958 -2.71 106.69 -255,423 9,171,108
2015-02-17 2015-02-17 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,394 88,352 2.79 38.63 92,480 3,413,038
2015-01-20 2015-01-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 311 2,099 17.39
2015-01-13 2015-01-12 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 41,271 -12.50
2015-01-13 2015-01-12 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -431 16,333 -2.57
2015-01-13 2015-01-12 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -8,806 85,958 -9.29 110.74 -975,191 9,519,135
2015-01-13 2015-01-12 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 94,764 6.63 43.11 254,177 4,085,276
2015-01-13 2015-01-12 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 431 88,868 0.49 38.63 16,650 3,432,971
2014-12-10 2014-12-08 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 47,167 -11.11
2014-12-10 2014-12-08 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -8,375 88,437 -8.65 104.55 -875,606 9,246,088
2014-12-10 2014-12-08 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 96,812 6.49 43.11 254,177 4,173,565
2014-11-18 2014-11-17 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -97 55,625 -0.17
2014-11-18 2014-11-17 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,396 16,764 -12.51
2014-11-18 2014-11-17 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,493 90,740 -2.67 98.29 -245,037 8,918,835
2014-11-18 2014-11-17 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 97 93,233 0.10 68.49 6,644 6,385,528
2014-11-18 2014-11-17 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,396 93,136 2.64 38.63 92,557 3,597,844
2014-11-18 2014-11-14 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -4,960 55,722 -8.17
2014-11-18 2014-11-14 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -4,960 90,740 -5.18 98.01 -486,130 8,893,427
2014-11-18 2014-11-14 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 4,960 95,700 5.47 68.49 339,710 6,554,493
2014-10-21 2014-10-20 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -6,613 60,682 -9.83
2014-10-21 2014-10-20 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -9,092 90,740 -9.11 87.02 -791,186 7,896,195
2014-10-21 2014-10-20 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 6,613 99,832 7.09 68.49 452,924 6,837,494
2014-10-16 2014-10-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 381 1,788 27.06
2014-09-11 2014-09-11 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
A - Award 57,629 57,629
2014-09-11 2014-09-11 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 24,526 93,219 35.70
2014-09-09 2014-09-08 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -6,613 67,295 -8.95
2014-09-09 2014-09-08 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,479 68,693 -3.48 100.00 -247,900 6,869,300
2014-09-09 2014-09-08 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -6,613 71,172 -8.50 101.15 -668,907 7,199,069
2014-09-09 2014-09-08 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 6,613 77,785 9.29 68.49 452,924 5,327,495
2014-09-09 2014-09-06 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -730 1,407 -34.16
2014-09-09 2014-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -10,818 71,172 -13.19 100.92 -1,091,753 7,182,678
2014-09-09 2014-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 729 81,990 0.90
2014-08-18 2014-08-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -7,003 73,908 -8.66
2014-08-18 2014-08-18 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -7,003 81,261 -7.93 100.49 -703,714 8,165,715
2014-08-18 2014-08-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 7,003 88,264 8.62 68.49 479,635 6,045,201
2014-08-07 2014-08-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -6,188 81,261 -7.08 101.20 -626,226 8,223,613
2014-07-28 2014-07-24 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -884 2,137 -29.27
2014-07-28 2014-07-24 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -13,504 87,449 -13.38 99.60 -1,344,998 8,709,920
2014-07-28 2014-07-24 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 911 100,953 0.91
2014-07-28 2014-07-24 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 24,969 100,042 33.26
2014-07-16 2014-07-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 413 3,022 15.83
2014-06-24 2014-06-23 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -4,059 75,073 -5.13 91.22 -370,262 6,848,159
2014-06-09 2014-06-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 53,063 -10.00
2014-06-09 2014-06-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 79,132 -6.93 92.21 -543,681 7,296,912
2014-06-09 2014-06-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 85,028 7.45 43.11 254,177 3,665,557
2014-05-20 2014-05-16 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,395 19,160 -11.11
2014-05-20 2014-05-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -247 2,608 -8.66
2014-05-20 2014-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -4,772 79,132 -5.69 85.08 -406,002 6,732,551
2014-05-20 2014-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,395 83,904 2.94 38.63 92,519 3,241,212
2014-05-20 2014-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -3,844 81,509 -4.50 85.91 -330,238 7,002,438
2014-05-20 2014-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 247 85,353 0.29
2014-04-17 2014-04-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 367 2,856 14.77
2014-03-10 2014-03-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 58,959 -9.09
2014-03-10 2014-03-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 85,106 -6.48 88.42 -521,324 7,525,073
2014-03-10 2014-03-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 91,002 6.93 43.11 254,177 3,923,096
2014-02-25 2014-02-21 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,860 85,106 -3.25 86.57 -247,590 7,367,626
2014-02-20 2014-02-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,394 21,555 -10.00
2014-02-20 2014-02-18 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,394 87,966 -2.65 87.11 -208,541 7,662,718
2014-02-20 2014-02-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,394 90,360 2.72 38.63 92,480 3,490,607
2014-01-17 2014-01-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 368 2,488 17.34
2013-12-24 2013-12-23 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,859 87,966 -3.15 83.45 -238,584 7,340,763
2013-12-10 2013-12-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -5,896 64,855 -8.33
2013-12-10 2013-12-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -5,896 90,825 -6.10 77.62 -457,635 7,049,637
2013-12-10 2013-12-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 5,896 96,721 6.49 43.11 254,177 4,169,642
2013-11-19 2013-11-18 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,396 23,949 -9.09
2013-11-19 2013-11-18 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,396 90,825 -2.57 74.96 -179,602 6,808,151
2013-11-19 2013-11-18 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,396 93,221 2.64 38.63 92,557 3,601,127
2013-10-23 2013-10-21 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,860 90,825 -3.05 71.80 -205,347 6,521,190
2013-10-17 2013-10-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 398 2,121 23.09
2013-09-10 2013-09-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -23,584 70,751 -25.00
2013-09-10 2013-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -23,584 93,685 -20.11 64.95 -1,531,885 6,085,253
2013-09-10 2013-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 23,584 117,269 25.17 43.11 1,016,706 5,055,467
2013-08-23 2013-08-21 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,859 93,685 -2.96 64.85 -185,406 6,075,472
2013-08-16 2013-08-16 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise X -2,395 26,345 -8.33
2013-08-16 2013-08-16 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -2,395 96,544 -2.42 65.86 -157,735 6,358,388
2013-08-16 2013-08-16 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise X 2,395 98,939 2.48 38.63 92,519 3,822,014
2013-08-16 2013-08-14 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
A - Award 80,911 80,911
2013-08-16 2013-08-14 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -525 1,723 -23.35
2013-08-16 2013-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 503 96,544 0.52
2013-08-16 2013-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -12,337 96,041 -11.38 68.49 -844,961 6,577,848
2013-08-16 2013-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 23,272 108,378 27.34
2013-08-16 2013-08-14 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 27,408 85,106 47.50
2013-07-17 2013-07-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 387 2,248 20.81
2013-06-25 2013-06-21 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
M - Exercise -9,581 28,740 -25.00
2013-06-25 2013-06-21 4 WDC WESTERN DIGITAL CORP
Common Stock
S - Sale X -11,958 57,698 -17.17 61.65 -737,211 3,557,082
2013-06-25 2013-06-21 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 9,581 69,656 15.95 38.63 370,114 2,690,811
2013-05-20 2013-05-16 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
M - Exercise -137 1,861 -6.87
2013-05-20 2013-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
F - Taxes -3,040 60,075 -4.82 59.05 -179,512 3,547,429
2013-05-20 2013-05-16 4 WDC WESTERN DIGITAL CORP
Common Stock
M - Exercise 137 63,115 0.22
2013-04-16 2013-04-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 552 1,998 38.15
2012-12-28 2012-12-26 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 667 1,446 85.53
2012-10-17 2012-10-15 4 WDC WESTERN DIGITAL CORP
Dividend Equivalent Rights
A - Award 779 779
2012-09-10 2012-09-06 4 WDC WESTERN DIGITAL CORP
Employee Stock Option (right to buy)
A - Award 94,335 94,335
2012-09-10 2012-09-06 4 WDC WESTERN DIGITAL CORP
Common Stock
A - Award 40,009 62,978 174.19
2012-08-17 3 WDC WESTERN DIGITAL CORP
Common Stock
22,969
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)