Insider Trading activities of Western Digital Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Western Digital Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Western Digital Corp since year 2005. Table 2 shows the detailed insider transactions of Western Digital Corp since 2005. The reporting company's ticker symbol is WDC. The reporting company's CIK number is 106040.
The total value of stock buying since 2005 is $1,024,425.
The total value of stock sales since 2005 is $1,159,107,925.
The total value of stock option exercises since 2005 is $102,444,189.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Western Digital Corp (WDC).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 0 $0 11,604 $1,024,677 6,960 $252,536
2017-10 0 $0 4,097 $352,198 3,759 $108,428
2017-09 0 $0 10,850 $961,721 8,732 $453,273
2017-08 0 $0 66,829 $5,599,151 57,856 $2,153,751
2017-07 0 $0 49,588 $4,536,212 8,643 $0
2017-06 0 $0 11,846 $1,010,746 11,322 $775,670
2017-05 0 $0 162,138 $14,271,488 131,349 $6,149,972
2017-04 0 $0 42,735 $3,720,403 42,735 $2,927,674
2017-02 0 $0 50,630 $3,831,060 27,442 $957,244
2017-01 0 $0 74,315 $5,688,883 46,546 $1,883,387
2016-12 0 $0 155,063 $10,527,786 147,482 $5,847,680
2016-11 0 $0 11,415 $688,965 6,693 $240,941
2016-10 0 $0 24,433 $1,458,880 0 $0
2016-09 0 $0 9,904 $550,996 12,084 $382,590
2016-08 0 $0 0 $0 5,892 $0
2016-07 0 $0 0 $0 4,188 $0
2016-05 22,500 $1,024,425 0 $0 15,821 $467,985
2016-02 0 $0 0 $0 30,042 $780,491
2015-12 0 $0 1,863 $118,468 1,863 $80,313
2015-11 0 $0 8,785 $577,944 1,749 $52,498
2015-10 0 $0 878 $72,197 878 $42,697
2015-09 0 $0 58,668 $4,696,861 29,533 $737,182
2015-08 0 $0 28,888 $2,395,059 10,893 $494,210
2015-07 0 $0 876 $69,239 2,638 $42,599
2015-06 0 $0 43,870 $4,073,610 37,066 $1,604,213
2015-05 0 $0 25,349 $2,436,581 18,950 $891,869
2015-04 0 $0 10,042 $972,717 3,854 $186,547
2015-03 0 $0 56,457 $5,707,773 38,960 $1,543,198
2015-02 0 $0 38,287 $4,119,246 29,600 $1,406,445
2015-01 0 $0 8,806 $975,194 6,327 $258,584
2014-12 0 $0 55,723 $6,061,343 32,204 $1,086,470
2014-11 0 $0 78,231 $7,929,255 58,633 $2,990,207
2014-10 0 $0 9,092 $791,185 6,613 $452,924
2014-09 0 $0 51,347 $5,036,605 41,727 $2,492,715
2014-08 0 $0 92,374 $9,290,662 84,066 $4,243,200
2014-07 0 $0 15,996 $1,590,690 6,097 $0
2014-06 0 $0 55,091 $5,061,295 47,654 $1,765,918
2014-05 0 $0 20,501 $1,758,116 8,483 $285,689
2014-04 0 $0 6,016 $536,627 6,016 $206,818
2014-03 0 $0 49,393 $4,321,258 39,648 $1,333,188
2014-02 0 $0 61,607 $5,355,249 72,296 $1,998,131
2014-01 0 $0 6,016 $517,857 6,016 $206,818
2013-12 0 $0 54,155 $4,274,140 51,296 $1,861,349
2013-11 0 $0 12,648,317 $820,986,281 68,725 $1,931,140
2013-10 0 $0 24,213 $1,754,483 17,732 $451,456
2013-09 0 $0 75,994 $4,954,037 75,165 $2,813,928
2013-08 0 $0 13,237 $871,709 4,157 $92,518
2013-07 0 $0 7,713 $501,345 7,713 $294,559
2013-06 0 $0 42,809 $2,742,525 40,432 $1,548,312
2013-05 0 $0 196,622 $11,139,885 189,849 $4,080,063
2013-04 0 $0 3,750 $206,250 0 $0
2013-03 0 $0 61,891 $3,080,836 50,654 $1,024,401
2013-02 0 $0 69,863 $3,405,786 55,928 $850,461
2013-01 0 $0 42,055 $2,063,824 39,597 $1,065,216
2012-12 0 $0 293,718 $11,734,746 96,292 $1,549,871
2012-11 0 $0 0 $0 191 $0
2012-09 0 $0 7,876 $327,342 21,938 $183,501
2012-08 0 $0 78,696 $3,199,660 78,696 $1,826,378
2012-07 0 $0 32,121 $1,284,840 30,000 $115,500
2012-06 0 $0 804 $24,234 0 $0
2012-05 0 $0 30,732 $1,049,542 30,000 $681,375
2012-03 0 $0 187,128 $7,413,705 153,192 $3,243,088
2011-10 0 $0 0 $0 10,000 $45,300
2011-08 0 $0 0 $0 6,250 $28,312
2011-02 0 $0 34,653 $1,240,986 29,765 $640,432
2011-01 0 $0 0 $0 2,121 $0
2010-12 0 $0 14,726 $509,764 13,838 $250,813
2010-11 0 $0 19,191 $659,767 5,447 $98,726
2010-08 0 $0 5,448 $134,979 5,448 $98,745
2010-02 0 $0 35,644 $1,535,116 28,763 $489,201
2009-12 0 $0 322,608 $12,685,856 207,485 $2,416,282
2009-11 0 $0 89,750 $3,389,140 89,750 $882,410
2009-09 0 $0 31,032 $1,103,791 13,437 $99,836
2009-08 0 $0 41,729 $1,317,320 20,000 $171,200
2009-07 0 $0 28,125 $858,140 13,125 $150,740
2009-05 0 $0 10,000 $236,600 0 $0
2009-04 0 $0 10,000 $237,200 2,306 $0
2008-06 0 $0 363,202 $14,063,037 150,684 $1,305,886
2008-02 0 $0 78,984 $2,279,952 78,984 $621,117
2008-01 0 $0 30,000 $804,550 65,929 $264,050
2007-12 0 $0 932,469 $28,459,482 92,141 $1,194,700
2007-11 0 $0 774,700 $21,726,299 609,100 $7,412,837
2007-09 0 $0 100,000 $2,340,100 100,000 $973,900
2007-08 0 $0 109,936 $2,416,824 59,936 $760,213
2007-05 0 $0 137,433 $2,426,880 78,657 $724,194
2007-04 0 $0 15,334 $273,604 0 $0
2007-02 0 $0 144,702 $2,879,301 112,500 $1,238,000
2007-01 0 $0 575,818 $11,206,355 14,700 $0
2006-12 0 $0 194,892 $4,074,376 0 $0
2006-11 0 $0 149,000 $3,103,669 75,000 $655,200
2006-07 0 $0 0 $0 12,000 $142,500
2006-06 0 $0 0 $0 4,500 $53,437
2006-04 0 $0 0 $0 14,700 $0
2006-02 0 $0 496,129 $11,324,292 475,664 $4,049,216
2006-01 0 $0 462,684 $10,110,037 408,184 $4,122,668
2005-12 0 $0 429,629 $8,007,141 330,937 $2,157,103

Table 2. Detailed insider stock purchases, sales, and option exercises of Western Digital Corp insiders (WDC)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-13 Long Mark P (Pres WD Capital, CSO & CFO) Sale 4,467 88.13 393,676
2017-11-13 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 4,467 44.78 200,032
2017-11-13 Cordano Michael D (President and COO) Sale 1,397 88.13 123,117
2017-11-13 Cordano Michael D (President and COO) Option Ex 487 68.49 33,354
2017-11-08 Massengill Matthew E (Director) Sale 2,677 86.53 231,640
2017-11-03 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 95 .00 0
2017-11-03 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 104 .00 0
2017-11-03 Cordano Michael D (President and COO) Option Ex 120 .00 0
2017-11-01 Cole Martin I (Director) Option Ex 98 .00 0
2017-11-01 Massengill Matthew E (Director) Option Ex 120 .00 0
2017-11-01 Denero Henry T (Director) Option Ex 98 .00 0
2017-11-01 Lauer Len J (Director) Option Ex 112 .00 0
2017-11-01 Cote Kathleen A (Director) Sale 2,000 90.63 181,260
2017-11-01 Cote Kathleen A (Director) Option Ex 98 .00 0
2017-11-01 Lambert Michael D (Director) Sale 1,063 89.36 94,984
2017-11-01 Lambert Michael D (Director) Option Ex 1,161 16.50 19,150
2017-10-30 Massengill Matthew E (Director) Option Ex 2,164 25.79 55,809
2017-10-30 Denero Henry T (Director) Sale 4,097 85.97 352,198
2017-10-30 Cote Kathleen A (Director) Option Ex 1,595 32.99 52,619
2017-09-18 Cordano Michael D (President and COO) Sale 9,404 88.79 835,009
2017-09-18 Cordano Michael D (President and COO) Option Ex 6,360 68.51 435,723
2017-09-13 Denero Henry T (Director) Option Ex 532 32.99 17,550
2017-09-12 Long Mark P (Pres WD Capital, CSO & CFO) Sale 1,446 87.63 126,712
2017-09-11 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 189 .00 0
2017-09-11 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 204 .00 0
2017-09-11 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 249 .00 0
2017-09-11 Milligan Stephen D (Chief Executive Officer) Option Ex 674 .00 0
2017-09-11 Cordano Michael D (President and COO) Option Ex 524 .00 0
2017-08-23 Long Mark P (Pres WD Capital, CSO & CFO) Sale 1,517 88.49 134,239
2017-08-23 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 1,517 68.49 103,899
2017-08-18 Bhatia Manish H (EVP Silicon Operations) Sale 20,130 82.38 1,658,208
2017-08-18 Bhatia Manish H (EVP Silicon Operations) Option Ex 20,130 40.76 820,498
2017-08-16 Sivaram Srinivasan (EVP Memory Technology) Sale 3,098 85.00 263,330
2017-08-14 Long Mark P (Pres WD Capital, CSO & CFO) Sale 1,517 80.97 122,831
2017-08-14 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 1,517 68.49 103,899
2017-08-14 Cordano Michael D (President and COO) Sale 3,670 82.19 301,648
2017-08-05 Milligan Stephen D (Chief Executive Officer) Option Ex 573 .00 0
2017-08-04 Bhatia Manish H (EVP Silicon Operations) Sale 2,762 84.79 234,189
2017-08-04 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 175 .00 0
2017-08-04 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 188 .00 0
2017-08-04 Long Mark P (Pres WD Capital, CSO & CFO) Sale 19,777 84.50 1,671,097
2017-08-04 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 17,867 44.78 800,084
2017-08-04 Cordano Michael D (President and COO) Option Ex 490 .00 0
2017-08-03 Bhatia Manish H (EVP Silicon Operations) Option Ex 156 .00 0
2017-08-03 Demaria Jacqueline (EVP & Chief Human Res Officer) Sale 14,358 84.53 1,213,609
2017-08-03 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 14,532 22.39 325,371
2017-08-03 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 212 .00 0
2017-08-03 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 108 .00 0
2017-08-03 Sivaram Srinivasan (EVP Memory Technology) Option Ex 175 .00 0
2017-08-03 Cordano Michael D (President and COO) Option Ex 216 .00 0
2017-07-20 Long Mark P (Pres WD Capital, CSO & CFO) Sale 11,557 94.82 1,095,880
2017-07-20 Cordano Michael D (President and COO) Sale 4,954 95.19 471,596
2017-07-19 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 236 .00 0
2017-07-19 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 255 .00 0
2017-07-19 Long Mark P (Pres WD Capital, CSO & CFO) Sale 17,028 93.84 1,597,975
2017-07-19 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 1,545 .00 0
2017-07-19 Milligan Stephen D (Chief Executive Officer) Option Ex 3,096 .00 0
2017-07-19 Cordano Michael D (President and COO) Option Ex 662 .00 0
2017-07-17 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 187 .00 0
2017-07-17 Sivaram Srinivasan (EVP Memory Technology) Option Ex 82 .00 0
2017-07-05 Sivaram Srinivasan (EVP Memory Technology) Sale 16,049 85.41 1,370,761
2017-07-01 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 2,089 .00 0
2017-07-01 Sivaram Srinivasan (EVP Memory Technology) Option Ex 491 .00 0
2017-06-12 Cordano Michael D (President and COO) Sale 11,322 85.00 962,381
2017-06-12 Cordano Michael D (President and COO) Option Ex 11,322 68.51 775,670
2017-06-02 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 524 92.30 48,365
2017-05-18 Bhatia Manish H (EVP Silicon Operations) Sale 7,208 85.14 613,681
2017-05-18 Bhatia Manish H (EVP Silicon Operations) Option Ex 7,208 38.75 279,310
2017-05-15 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 1,365 89.54 122,222
2017-05-15 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 1,365 68.49 93,488
2017-05-15 Long Mark P (Pres WD Capital, CSO & CFO) Sale 3,034 89.54 271,664
2017-05-15 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 3,034 68.49 207,798
2017-05-08 Cordano Michael D (President and COO) Sale 4,959 90.34 447,996
2017-05-08 Cordano Michael D (President and COO) Option Ex 4,959 68.49 339,641
2017-05-05 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 1,208 88.93 107,427
2017-05-05 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 1,208 68.53 82,784
2017-05-04 Sivaram Srinivasan (EVP Memory Technology) Sale 40,182 89.18 3,583,310
2017-05-04 Sivaram Srinivasan (EVP Memory Technology) Option Ex 39,833 35.41 1,410,685
2017-05-03 Long Mark P (Pres WD Capital, CSO & CFO) Sale 11,631 88.49 1,029,227
2017-05-03 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 11,631 68.49 796,607
2017-05-01 Bhatia Manish H (EVP Silicon Operations) Sale 13,295 87.28 1,160,427
2017-05-01 Bhatia Manish H (EVP Silicon Operations) Option Ex 13,295 40.63 540,175
2017-05-01 Demaria Jacqueline (EVP & Chief Human Res Officer) Sale 21,410 87.27 1,868,514
2017-05-01 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 21,410 37.11 794,589
2017-05-01 Long Mark P (Pres WD Capital, CSO & CFO) Sale 57,846 87.59 5,067,020
2017-05-01 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 27,406 58.56 1,604,895
2017-04-28 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 15,598 90.51 1,411,774
2017-04-28 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 15,598 68.51 1,068,618
2017-04-10 Cordano Michael D (President and COO) Sale 4,960 85.40 423,584
2017-04-10 Cordano Michael D (President and COO) Option Ex 4,960 68.49 339,710
2017-04-07 Cordano Michael D (President and COO) Sale 22,177 85.00 1,885,045
2017-04-07 Cordano Michael D (President and COO) Option Ex 22,177 68.51 1,519,346
2017-02-27 Bhatia Manish H (EVP Silicon Operations) Sale 34,734 75.18 2,611,406
2017-02-27 Bhatia Manish H (EVP Silicon Operations) Option Ex 20,466 34.35 703,068
2017-02-27 Sivaram Srinivasan (EVP Memory Technology) Sale 10,000 75.39 753,870
2017-02-18 Bhatia Manish H (EVP Silicon Operations) Option Ex 139 .00 0
2017-02-18 Sivaram Srinivasan (EVP Memory Technology) Option Ex 53 .00 0
2017-02-17 Bhatia Manish H (EVP Silicon Operations) Option Ex 113 .00 0
2017-02-17 Sivaram Srinivasan (EVP Memory Technology) Option Ex 132 .00 0
2017-02-16 Bhatia Manish H (EVP Silicon Operations) Option Ex 239 .00 0
2017-02-16 Sivaram Srinivasan (EVP Memory Technology) Option Ex 265 .00 0
2017-02-15 Bhatia Manish H (EVP Silicon Operations) Option Ex 139 .00 0
2017-02-06 Cordano Michael D (President and COO) Sale 5,896 79.00 465,784
2017-02-06 Cordano Michael D (President and COO) Option Ex 5,896 43.11 254,176
2017-01-25 Milligan Stephen D (Chief Executive Officer) Sale 28,340 79.92 2,264,932
2017-01-24 Milligan Stephen D (Chief Executive Officer) Sale 40,079 75.00 3,005,925
2017-01-24 Milligan Stephen D (Chief Executive Officer) Option Ex 40,079 40.65 1,629,211
2017-01-17 Denero Henry T (Director) Option Ex 571 .00 0
2017-01-09 Cordano Michael D (President and COO) Sale 5,896 70.90 418,026
2017-01-09 Cordano Michael D (President and COO) Option Ex 5,896 43.11 254,176
2016-12-21 Cordano Michael D (President and COO) Sale 1,696 71.25 120,840
2016-12-09 Bhatia Manish H (EVP, Silicon Operations) Sale 23,898 67.98 1,624,681
2016-12-09 Bhatia Manish H (EVP, Silicon Operations) Option Ex 23,898 31.21 745,976
2016-12-09 Mehrotra Sanjay (Director) Sale 100,000 68.36 6,835,800
2016-12-09 Mehrotra Sanjay (Director) Option Ex 100,000 40.85 4,085,000
2016-12-08 Denero Henry T (Director) Sale 3,827 69.23 264,943
2016-12-07 Cordano Michael D (President and COO) Sale 5,896 67.78 399,630
2016-12-07 Cordano Michael D (President and COO) Option Ex 5,896 43.11 254,176
2016-12-05 Cordano Michael D (President and COO) Sale 1,857 64.14 119,107
2016-12-01 Milligan Stephen D (Chief Executive Officer) Sale 134 65.00 8,710
2016-12-01 Cordano Michael D (President and COO) Sale 11,792 65.00 766,480
2016-12-01 Cordano Michael D (President and COO) Option Ex 11,792 43.11 508,352
2016-11-28 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 5,589 63.11 352,721
2016-11-28 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 5,589 43.11 240,941
2016-11-14 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 1,000 60.00 60,000
2016-11-08 Denero Henry T (Director) Sale 1,750 57.43 100,499
2016-11-07 Massengill Matthew E (Director) Sale 2,187 57.43 125,597
2016-11-07 Cordano Michael D (President and COO) Sale 889 56.41 50,148
2016-11-03 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 60 .00 0
2016-11-03 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 65 .00 0
2016-11-03 Cole Martin I (Director) Option Ex 140 .00 0
2016-11-03 Mehrotra Sanjay (Director) Option Ex 32 .00 0
2016-11-03 Massengill Matthew E (Director) Option Ex 171 .00 0
2016-11-03 Denero Henry T (Director) Option Ex 140 .00 0
2016-11-03 Lauer Len J (Director) Option Ex 140 .00 0
2016-11-03 Cordano Michael D (President and COO) Option Ex 76 .00 0
2016-11-03 Cote Kathleen A (Director) Option Ex 140 .00 0
2016-11-03 Lambert Michael D (Director) Option Ex 140 .00 0
2016-10-03 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 6,183 60.00 370,980
2016-10-03 Cordano Michael D (President and COO) Sale 18,250 59.61 1,087,900
2016-09-27 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 2,719 58.63 159,414
2016-09-27 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 2,719 38.63 105,034
2016-09-21 Cordano Michael D (President and COO) Sale 7,185 54.50 391,582
2016-09-21 Cordano Michael D (President and COO) Option Ex 7,185 38.63 277,556
2016-09-11 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 127 .00 0
2016-09-11 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 137 .00 0
2016-09-11 Long Mark P (EVP, CFO & CSO) Option Ex 596 .00 0
2016-09-11 Campbell Steven Glenn (EVP & Chief Technology Officer) Option Ex 95 .00 0
2016-09-11 Milligan Stephen D (Chief Executive Officer) Option Ex 452 .00 0
2016-09-11 Cordano Michael D (President and COO) Option Ex 773 .00 0

Insider trading activities including stock purchases, stock sales, and option exercises of WDC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Western Digital Corp (symbol WDC, CIK number 106040) see the Securities and Exchange Commission (SEC) website.