Company · CIK 0000106040 · SIC 3572 — Computer Storage Devices · Nasdaq
WESTERN DIGITAL CORP · WDC
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 20, 2026 FMForm 4 → | Sep 21, 6:36 pm EDT | Irving TanChief Executive Officer, Director | 1,148 | $441.36 | $481,539 | 265,613 | — | |
| Sep 20, 2026 FMForm 4 → | Sep 21, 6:32 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 971 | $441.36 | $425,045 | 99,491 | — | |
| Sep 17, 2026 FMForm 4 → | Sep 21, 6:36 pm EDT | Ahmed Mohammed ShihabChief Product Officer | 5,206 | $423.87 | $2,182,931 | 158,608 | — | |
| Sep 4, 2026 SForm 4 → | Sep 8, 8:13 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 432 | $451.20 | $194,918 | 111,030 | −0.39% | 10b5-1 |
| Sep 4, 2026 SForm 4 → | Sep 8, 8:13 pm EDT | Vidyadhara K GubbiChief of Global Operations | 1,795 | $459.87 | $825,472 | 80,571 | −2.18% | |
| Sep 3, 2026 FMForm 4 → | Sep 8, 8:13 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 707 | $441.57 | $309,099 | 111,462 | — | 10b5-1 |
| Sep 3, 2026 FMForm 4 → | Sep 8, 8:13 pm EDT | Vidyadhara K GubbiChief of Global Operations | 1,778 | $441.57 | $778,929 | 82,366 | — | |
| Sep 3, 2026 FMForm 4 → | Sep 8, 8:12 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 889 | $441.57 | $389,465 | 100,446 | — | |
| Aug 31, 2026 GJForm 4 → | Sep 2, 6:38 pm EDT | Irving TanChief Executive Officer, Director | 450,000 | — | — | 112,500 | — | |
| Aug 31, 2026 SForm 4 → | Sep 2, 6:03 pm EDT | Stephanie A StreeterDirector | 5,600 | $449.87 | $2,519,280 | 34,807 | −13.9% | |
| Aug 26, 2026 SForm 4 → | Aug 27, 8:05 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 1,483 | $469.51 | $696,280 | 112,155 | −1.31% | 10b5-1 |
| Aug 25, 2026 AFMForm 4 → | Aug 27, 8:05 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 6,296 | $463.06 | $1,112,272 | 113,162 | — | 10b5-1 |
| Aug 25, 2026 AFMForm 4 → | Aug 27, 8:05 pm EDT | Irving TanChief Executive Officer, Director | 20,412 | $466.60 | $1,768,425 | 379,147 | — | |
| Aug 25, 2026 AFMForm 4 → | Aug 27, 8:05 pm EDT | Ahmed Mohammed ShihabChief Product Officer | 9,478 | $468.88 | $1,285,200 | 163,702 | — | |
| Aug 25, 2026 AFMForm 4 → | Aug 27, 8:05 pm EDT | Kris SennesaelChief Financial Officer | 12,610 | $468.88 | $2,024,155 | 173,709 | — | |
| Aug 25, 2026 AFMForm 4 → | Aug 27, 8:05 pm EDT | Vidyadhara K GubbiChief of Global Operations | 8,388 | $462.40 | $1,479,225 | 84,116 | — | |
| Aug 25, 2026 AForm 4 → | Aug 27, 8:04 pm EDT | Brad FellerSVP & Chief Accounting Officer | 2,068 | — | — | 12,043 | — | |
| Aug 25, 2026 AFMForm 4 → | Aug 27, 8:04 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 6,248 | $462.15 | $1,208,517 | 101,321 | — | |
| Aug 21, 2026 SForm 4 → | Aug 24, 7:00 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 919 | $454.12 | $417,339 | 112,146 | −0.81% | 10b5-1 |
| Aug 20, 2026 FMForm 4 → | Aug 24, 7:00 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 1,502 | $461.89 | $687,289 | 112,830 | — | 10b5-1 |
| Aug 20, 2026 FMForm 4 → | Aug 24, 6:59 pm EDT | Irving TanChief Executive Officer, Director | 727 | $461.45 | $317,938 | 575,315 | — | |
| Aug 20, 2026 FMForm 4 → | Aug 24, 6:59 pm EDT | Vidyadhara K GubbiChief of Global Operations | 1,295 | $463.86 | $596,529 | 82,126 | — | |
| Aug 20, 2026 FMForm 4 → | Aug 24, 6:59 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 1,318 | $464.70 | $608,288 | 100,303 | — | |
| Aug 11, 2026 SForm 4 → | Aug 12, 9:24 pm EDT | Irving TanChief Executive Officer, Director | 20,000 | $444.97 | $8,899,329 | 575,966 | −3.36% | 10b5-1 |
| Jul 28, 2026 SForm 4 → | Jul 29, 7:32 pm EDT | Martin I ColeDirector | 192 | $462.77 | $88,852 | 21,433 | −0.89% | 10b5-1 |
| Jul 28, 2026 SForm 4 → | Jul 29, 7:31 pm EDT | Martin I ColeDirector | 3,808 | $448.66 | $1,708,505 | 21,625 | −15.0% | 10b5-1 |
| Jul 21, 2026 SForm 4 → | Jul 21, 8:56 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 808 | $529.63 | $427,941 | 114,539 | −0.70% | 10b5-1 |
| Jul 20, 2026 FMForm 4 → | Jul 21, 8:56 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 1,322 | $487.42 | $638,033 | 115,347 | — | 10b5-1 |
| Jun 20, 2026 FMForm 4 → | Jun 22, 9:16 pm EDT | Irving TanChief Executive Officer, Director | 1,142 | $746.23 | $813,391 | 595,966 | — | |
| Jun 20, 2026 FMForm 4 → | Jun 22, 9:15 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 968 | $746.23 | $717,127 | 101,603 | — | |
| Jun 17, 2026 FMForm 4 → | Jun 22, 9:16 pm EDT | Ahmed Mohammed ShihabChief Product Officer | 5,200 | $712.13 | $3,666,757 | 159,706 | — | |
| Jun 9, 2026 SForm 4 → | Jun 11, 5:50 pm EDT | Martin I ColeDirector | 720 | $536.01 | $385,924 | 25,433 | −2.75% | 10b5-1 |
| Jun 9, 2026 SForm 4 → | Jun 11, 5:47 pm EDT | Martin I ColeDirector | 3,280 | $511.16 | $1,676,600 | 26,153 | −11.1% | 10b5-1 |
| Jun 5, 2026 SForm 4 → | Jun 5, 6:58 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 432 | $545.60 | $235,699 | 116,643 | −0.37% | 10b5-1 |
| Jun 3, 2026 FMForm 4 → | Jun 5, 6:58 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 705 | $594.11 | $415,283 | 117,075 | — | 10b5-1 |
| Jun 3, 2026 FMForm 4 → | Jun 5, 6:39 pm EDT | Vidyadhara K GubbiChief of Global Operations | 1,777 | $594.11 | $1,048,010 | 83,403 | — | |
| Jun 3, 2026 FMForm 4 → | Jun 5, 6:39 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 887 | $594.11 | $523,411 | 102,557 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 AForm 4 → | Sep 21, 6:36 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 27 | — | — | 298 | — | |
| Sep 17, 2026 AMForm 4 → | Sep 21, 6:36 pm EDT | Irving TanChief Executive Officer, Director | 140 | — | — | 800 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:36 pm EDT | Stephanie A StreeterDirector | 1 | — | — | 3 | — | |
| Sep 17, 2026 AMForm 4 → | Sep 21, 6:36 pm EDT | Ahmed Mohammed ShihabChief Product Officer | 99 | — | — | 397 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:35 pm EDT | Kris SennesaelChief Financial Officer | 47 | — | — | 491 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:35 pm EDT | Roxanne OulmanDirector | 1 | — | — | 3 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:34 pm EDT | Matthew E MassengillDirector | 10 | — | — | 121 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:34 pm EDT | Bruce E KiddooDirector | 1 | — | — | 3 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:34 pm EDT | Vidyadhara K GubbiChief of Global Operations | 21 | — | — | 215 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:33 pm EDT | Brad FellerSVP, Global Accounting & Chief | 4 | — | — | 17 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:32 pm EDT | Tunc DolucaDirector | 1 | — | — | 3 | — | |
| Sep 17, 2026 AMForm 4 → | Sep 21, 6:32 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 25 | — | — | 166 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:32 pm EDT | Manuvir DasDirector | 0 | — | — | 0 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:32 pm EDT | Martin I ColeDirector | 1 | — | — | 3 | — | |
| Sep 17, 2026 AForm 4 → | Sep 21, 6:31 pm EDT | Kimberly AlexyDirector | 1 | — | — | 3 | — | |
| Sep 3, 2026 MForm 4 → | Sep 8, 8:13 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 7 | — | — | 270 | — | 10b5-1 |
| Sep 3, 2026 MForm 4 → | Sep 8, 8:13 pm EDT | Vidyadhara K GubbiChief of Global Operations | 14 | — | — | 194 | — | |
| Sep 3, 2026 MForm 4 → | Sep 8, 8:12 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 7 | — | — | 157 | — | |
| Aug 26, 2026 MForm 4 → | Aug 27, 8:05 pm EDT | Ahmed Mohammed ShihabChief Product Officer | 16 | — | — | 411 | — | |
| Aug 26, 2026 MForm 4 → | Aug 27, 8:05 pm EDT | Kris SennesaelChief Financial Officer | 20 | — | — | 444 | — | |
| Aug 25, 2026 MForm 4 → | Aug 27, 8:05 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 17 | — | — | 278 | — | 10b5-1 |
| Aug 25, 2026 MForm 4 → | Aug 27, 8:05 pm EDT | Irving TanChief Executive Officer, Director | 74 | — | — | 774 | — | |
| Aug 25, 2026 MForm 4 → | Aug 27, 8:05 pm EDT | Vidyadhara K GubbiChief of Global Operations | 19 | — | — | 208 | — | |
| Aug 25, 2026 MForm 4 → | Aug 27, 8:04 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 15 | — | — | 164 | — | |
| Aug 20, 2026 MForm 4 → | Aug 24, 7:00 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 15 | — | — | 295 | — | 10b5-1 |
| Aug 20, 2026 MForm 4 → | Aug 24, 6:59 pm EDT | Irving TanChief Executive Officer, Director | 38 | — | — | 848 | — | |
| Aug 20, 2026 MForm 4 → | Aug 24, 6:59 pm EDT | Vidyadhara K GubbiChief of Global Operations | 10 | — | — | 227 | — | |
| Aug 20, 2026 MForm 4 → | Aug 24, 6:59 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 10 | — | — | 180 | — | |
| Jul 20, 2026 MForm 4 → | Jul 21, 8:56 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 13 | — | — | 310 | — | 10b5-1 |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:16 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 19 | — | — | 323 | — | |
| Jun 17, 2026 AMForm 4 → | Jun 22, 9:16 pm EDT | Irving TanChief Executive Officer, Director | 109 | — | — | 887 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:16 pm EDT | Stephanie A StreeterDirector | 0 | — | — | 2 | — | |
| Jun 17, 2026 AMForm 4 → | Jun 22, 9:16 pm EDT | Ahmed Mohammed ShihabChief Product Officer | 80 | — | — | 427 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:16 pm EDT | Kris SennesaelChief Financial Officer | 28 | — | — | 464 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:16 pm EDT | Roxanne OulmanDirector | 0 | — | — | 2 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:16 pm EDT | Matthew E MassengillDirector | 6 | — | — | 111 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:16 pm EDT | Bruce E KiddooDirector | 0 | — | — | 2 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:15 pm EDT | Vidyadhara K GubbiChief of Global Operations | 14 | — | — | 237 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:15 pm EDT | Brad FellerSVP & Chief Accounting Officer | 2 | — | — | 13 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:15 pm EDT | Tunc DolucaDirector | 0 | — | — | 2 | — | |
| Jun 17, 2026 AMForm 4 → | Jun 22, 9:15 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 19 | — | — | 190 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:15 pm EDT | Manuvir DasDirector | 0 | — | — | 0 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:15 pm EDT | Martin I ColeDirector | 0 | — | — | 3 | — | |
| Jun 17, 2026 AForm 4 → | Jun 22, 9:15 pm EDT | Kimberly AlexyDirector | 0 | — | — | 2 | — | |
| Jun 3, 2026 MForm 4 → | Jun 5, 6:58 pm EDT | Cynthia L TregillisChief Legal Officer & Corp Sec | 7 | — | — | 304 | — | 10b5-1 |
| Jun 3, 2026 MForm 4 → | Jun 5, 6:39 pm EDT | Vidyadhara K GubbiChief of Global Operations | 13 | — | — | 223 | — | |
| Jun 3, 2026 MForm 4 → | Jun 5, 6:39 pm EDT | Brian Scott DavisChief Sales & Mrktng Officer | 7 | — | — | 186 | — |