CIK 0000106040 · Large accelerated filer
WESTERN DIGITAL CORP
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- WDC
- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- FY end
- Jul 3
- Incorporated
- DE
- Entity type
- operating
- EIN
- 330956711
- Phone
- 408-717-6000
- Business address
- 5601 GREAT OAKS PARKWAY, SAN JOSE, CA, 95119
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $6,541,831
- in 7 filings, $3.2M under 10b5-1 plans
Net −$6,541,831. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-07-28 | Cole Martin I Director | Sale 10b5-1 | −248 | $459.97 | $114K | 21,824 |
| 2026-07-28 | Cole Martin I Director | Sale 10b5-1 | −199 | $461.23 | $92K | 21,625 |
| 2026-07-21 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −808 | $529.63 | $428K | 114,539 |
| 2026-07-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise 10b5-1 | +13 | 116,656 | ||
| 2026-07-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes 10b5-1 | −1,309 | $487.42 | $638K | 115,347 |
| 2026-07-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights 10b5-1 | −13.2 | 309.8 | ||
| 2026-06-20 | Tan Irving Chief Executive Officer | Option exercise | +52 | 597,056 | ||
| 2026-06-20 | Tan Irving Chief Executive Officer | Shares withheld for taxes | −1,090 | $746.23 | $813K | 595,966 |
| 2026-06-20 | Tan Irving Chief Executive Officer | Option exercise · Dividend Equivalent Rights | −52.11 | 886.66 | ||
| 2026-06-20 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise | +7 | 102,564 | ||
| 2026-06-20 | Davis Brian Scott Chief Sales & Mrktng Officer | Shares withheld for taxes | −961 | $746.23 | $717K | 101,603 |
| 2026-06-20 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise · Dividend Equivalent Rights | −7.7 | 190.16 | ||
| 2026-06-17 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Grant or award · Dividend Equivalent Rights | +18.64 | 323 | ||
| 2026-06-17 | Tan Irving Chief Executive Officer | Grant or award · Dividend Equivalent Rights | +56.5 | 938.77 | ||
| 2026-06-17 | STREETER STEPHANIE A Director | Grant or award · Dividend Equivalent Rights | +0.33 | 2.12 | ||
| 2026-06-17 | Shihab Ahmed Mohammed Chief Product Officer | Option exercise | +51 | 164,855 | ||
| 2026-06-17 | Shihab Ahmed Mohammed Chief Product Officer | Shares withheld for taxes | −5,149 | $712.13 | $3.7M | 159,706 |
| 2026-06-17 | Shihab Ahmed Mohammed Chief Product Officer | Option exercise · Dividend Equivalent Rights | −51.9 | 398.95 | ||
| 2026-06-17 | Shihab Ahmed Mohammed Chief Product Officer | Grant or award · Dividend Equivalent Rights | +27.92 | 426.87 | ||
| 2026-06-17 | Sennesael Kris Chief Financial Officer | Grant or award · Dividend Equivalent Rights | +27.77 | 464.2 |
Page 9 of 42 · 821 trades