Cole Martin I
Director
Sale
Calculated transaction value
$288.08K
723 shares @ $398.45
Traded
Oct 29, 2026
Filed
Oct 30, 2026
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Western Digital Corp
WDC
ManufacturingIndustrial Machinery
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
245 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $288.08K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $125.63K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $95.84K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $232.13K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $17.26K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $79.57K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $82.62K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $150.55K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $159.71K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $35.23K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $121.01K Filed shares x price | SEC Form 4 View filing | |
| Cole Martin I Director | Oct 30, 2026 1-day lag | Sale Oct 29, 2026 | $194.25K Filed shares x price | SEC Form 4 View filing | |
| Tregillis Cynthia L Chief Legal Officer & Corp Sec | Oct 22, 2026 1-day lag | Sale Oct 21, 2026 | $306.66K Filed shares x price | SEC Form 4 View filing | |
| Tregillis Cynthia L Chief Legal Officer & Corp Sec | Oct 22, 2026 2-day lag | Disposition Oct 20, 2026 | $477.15K Filed shares x price | SEC Form 4 View filing | |
| Tregillis Cynthia L Chief Legal Officer & Corp Sec | Oct 22, 2026 2-day lag | Exercise Oct 20, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tregillis Cynthia L Chief Legal Officer & Corp Sec | Oct 22, 2026 2-day lag | Exercise Oct 20, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Irving Chief Executive Officer | Sep 21, 2026 1-day lag | Exercise Sep 20, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Irving Chief Executive Officer | Sep 21, 2026 1-day lag | Exercise Sep 20, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Irving Chief Executive Officer | Sep 21, 2026 1-day lag | Disposition Sep 20, 2026 | $481.54K Filed shares x price | SEC Form 4 View filing | |
| Tan Irving Chief Executive Officer | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Streeter Stephanie A Director | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Shihab Ahmed Mohammed Chief Product Officer | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Shihab Ahmed Mohammed Chief Product Officer | Sep 21, 2026 4-day lag | Disposition Sep 17, 2026 | $2.18M Filed shares x price | SEC Form 4 View filing | |
| Shihab Ahmed Mohammed Chief Product Officer | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Shihab Ahmed Mohammed Chief Product Officer | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sennesael Kris Chief Financial Officer | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Oulman Roxanne Director | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Massengill Matthew E Director | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Kiddoo Bruce E Director | Sep 21, 2026 4-day lag | Award Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Cole Martin I
Director
Sale
Calculated transaction value
$125.63K
317 shares @ $396.31
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$95.84K
243 shares @ $394.41
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$232.13K
584 shares @ $397.48
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$17.26K
43 shares @ $401.47
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$79.57K
204 shares @ $390.04
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$82.62K
209 shares @ $395.3
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$150.55K
385 shares @ $391.05
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$159.71K
407 shares @ $392.42
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$35.23K
88 shares @ $400.33
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$121.01K
303 shares @ $399.36
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Cole Martin I
Director
Sale
Calculated transaction value
$194.25K
494 shares @ $393.22
Traded
Oct 29, 2026
Filed
Oct 30, 2026
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Sale
Calculated transaction value
$306.66K
807 shares @ $380
Traded
Oct 21, 2026
Filed
Oct 22, 2026
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Disposition
Calculated transaction value
$477.15K
1309.71 shares @ $364.32
Traded
Oct 20, 2026
Filed
Oct 22, 2026
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Exercise
Calculated transaction value
$0
14.37 shares @ $0
Traded
Oct 20, 2026
Filed
Oct 22, 2026
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Exercise
Calculated transaction value
$0
14.37 shares @ $0
Traded
Oct 20, 2026
Filed
Oct 22, 2026
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Award
Calculated transaction value
$0
27.38 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Tan Irving
Chief Executive Officer
Exercise
Calculated transaction value
$0
56.76 shares @ $0
Traded
Sep 20, 2026
Filed
Sep 21, 2026
Tan Irving
Chief Executive Officer
Exercise
Calculated transaction value
$0
56.76 shares @ $0
Traded
Sep 20, 2026
Filed
Sep 21, 2026
Tan Irving
Chief Executive Officer
Disposition
Calculated transaction value
$481.54K
1091.04 shares @ $441.36
Traded
Sep 20, 2026
Filed
Sep 21, 2026
Tan Irving
Chief Executive Officer
Award
Calculated transaction value
$0
83.3 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Streeter Stephanie A
Director
Award
Calculated transaction value
$0
0.56 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Shihab Ahmed Mohammed
Chief Product Officer
Exercise
Calculated transaction value
$0
56.52 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Shihab Ahmed Mohammed
Chief Product Officer
Disposition
Calculated transaction value
$2.18M
5,150 shares @ $423.87
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Shihab Ahmed Mohammed
Chief Product Officer
Exercise
Calculated transaction value
$0
56 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Shihab Ahmed Mohammed
Chief Product Officer
Award
Calculated transaction value
$0
42.2 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Sennesael Kris
Chief Financial Officer
Award
Calculated transaction value
$0
46.51 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Oulman Roxanne
Director
Award
Calculated transaction value
$0
0.56 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Massengill Matthew E
Director
Award
Calculated transaction value
$0
10.27 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Kiddoo Bruce E
Director
Award
Calculated transaction value
$0
0.56 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 21, 2026