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 $1,194,849,726.
The total value of stock option exercises since 2005 is $117,324,824.


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
2018-08 0 $0 7,834 $532,403 10,534 $250,991
2018-07 0 $0 24,938 $1,766,358 26,083 $100,038
2018-06 0 $0 7,017 $599,327 8,456 $167,428
2018-05 0 $0 100,813 $8,587,401 96,437 $3,709,766
2018-03 0 $0 99,611 $9,877,359 72,719 $4,399,767
2018-02 0 $0 37,437 $3,181,348 27,647 $1,218,582
2018-01 0 $0 125,764 $11,078,520 108,270 $4,938,053
2017-12 0 $0 1,401 $119,085 1,401 $96,010
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 ($)   Value ($)
2018-08-06 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 4,387 67.65 296,780
2018-08-06 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 4,387 44.78 196,449
2018-08-06 Long Mark P (Pres WD Capital, CSO & CFO) Sale 1,214 67.65 82,127
2018-08-05 Milligan Stephen D (Chief Executive Officer) Option Ex 787 .00 0
2018-08-04 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 259 .00 0
2018-08-04 Cordano Michael D (President and COO) Option Ex 673 .00 0
2018-08-03 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 399 .00 0
2018-08-03 Long Mark P (Pres WD Capital, CSO & CFO) Sale 2,233 68.74 153,496
2018-08-03 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 2,436 22.39 54,542
2018-08-03 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 330 .00 0
2018-08-03 Cordano Michael D (President and COO) Option Ex 406 .00 0
2018-08-02 Fink Martin (EVP & CTO) Option Ex 73 .00 0
2018-08-02 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 69 .00 0
2018-08-02 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 129 .00 0
2018-08-02 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 69 .00 0
2018-08-02 Milligan Stephen D (Chief Executive Officer) Option Ex 330 .00 0
2018-08-02 Cordano Michael D (President and COO) Option Ex 187 .00 0
2018-07-30 Long Mark P (Pres WD Capital, CSO & CFO) Sale 24,938 70.83 1,766,358
2018-07-30 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 2,234 44.78 100,038
2018-07-25 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 1,151 .00 0
2018-07-25 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 2,344 .00 0
2018-07-25 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 950 .00 0
2018-07-25 Milligan Stephen D (Chief Executive Officer) Option Ex 12,997 .00 0
2018-07-25 Cordano Michael D (President and COO) Option Ex 4,688 .00 0
2018-07-16 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 272 .00 0
2018-07-01 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 1,447 .00 0
2018-06-30 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 1,964 .00 0
2018-06-11 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 525 82.43 43,275
2018-06-05 Denero Henry T (Director) Sale 6,492 85.65 556,052
2018-06-05 Denero Henry T (Director) Option Ex 6,492 25.79 167,428
2018-05-29 Sivaram Srinivasan (EVP, Memory Technology) Sale 63,879 86.55 5,528,599
2018-05-29 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 62,791 38.12 2,393,592
2018-05-22 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 1,208 88.53 106,944
2018-05-22 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 1,208 68.53 82,784
2018-05-22 Price Paula A (Director) Sale 3,288 87.65 288,193
2018-05-16 Lambert Michael D (Director) Sale 11,542 85.88 991,203
2018-05-16 Lambert Michael D (Director) Option Ex 11,542 25.79 297,668
2018-05-14 Milligan Stephen D (Chief Executive Officer) Sale 16,510 80.94 1,336,319
2018-05-14 Milligan Stephen D (Chief Executive Officer) Option Ex 16,510 44.78 739,317
2018-05-04 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 4,386 76.64 336,143
2018-05-04 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 4,386 44.78 196,405
2018-03-13 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 10,767 104.39 1,123,967
2018-03-13 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 10,767 84.39 908,627
2018-03-12 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 5,399 100.00 539,900
2018-03-12 Milligan Stephen D (Chief Executive Officer) Sale 50,973 100.16 5,105,506
2018-03-12 Milligan Stephen D (Chief Executive Officer) Option Ex 50,973 68.49 3,491,140
2018-03-09 Long Mark P (Pres WD Capital, CSO & CFO) Sale 7,026 98.57 692,552
2018-03-09 Milligan Stephen D (Chief Executive Officer) Sale 2,291 99.31 227,519
2018-03-07 Demaria Jacqueline (EVP & Chief Human Res Officer) Option Ex 2,335 .00 0
2018-03-07 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 2,538 .00 0
2018-03-07 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 848 .00 0
2018-03-07 Milligan Stephen D (Chief Executive Officer) Sale 23,155 94.49 2,187,915
2018-03-07 Cordano Michael D (President and COO) Option Ex 5,258 .00 0
2018-02-23 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 1,208 88.53 106,944
2018-02-23 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 1,208 68.53 82,784
2018-02-21 Sivaram Srinivasan (EVP, Memory Technology) Sale 10,865 86.83 943,462
2018-02-18 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 101 .00 0
2018-02-17 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 253 .00 0
2018-02-16 Sivaram Srinivasan (EVP, Memory Technology) Option Ex 506 .00 0
2018-02-05 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 4,387 84.20 369,385
2018-02-05 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 4,387 44.78 196,449
2018-02-05 Long Mark P (Pres WD Capital, CSO & CFO) Sale 4,466 84.20 376,037
2018-02-05 Long Mark P (Pres WD Capital, CSO & CFO) Option Ex 4,466 44.78 199,987
2018-02-05 Milligan Stephen D (Chief Executive Officer) Sale 16,511 83.92 1,385,520
2018-02-05 Milligan Stephen D (Chief Executive Officer) Option Ex 16,511 44.78 739,362
2018-02-01 Fink Martin (EVP & CTO) Option Ex 215 .00 0
2018-01-31 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 3,781 89.18 337,189
2018-01-31 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 3,781 68.51 259,036
2018-01-30 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Sale 31,228 86.50 2,701,346
2018-01-30 Ray Michael Charles (EVP, Chief Legal Officer & Sec) Option Ex 21,935 44.78 982,249
2018-01-29 Milligan Stephen D (Chief Executive Officer) Sale 90,755 88.59 8,039,985
2018-01-29 Milligan Stephen D (Chief Executive Officer) Option Ex 82,554 44.78 3,696,768
2017-12-19 Cordano Michael D (President and COO) Sale 1,401 85.00 119,085
2017-12-19 Cordano Michael D (President and COO) Option Ex 1,401 68.53 96,010
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

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.