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 |
|---|---|---|---|---|---|---|
| 2026-01-21 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −447 | $229.00 | $102K | 143,318 |
| 2026-01-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise 10b5-1 | +11 | 144,607 | ||
| 2026-01-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes 10b5-1 | −842 | $222.97 | $188K | 143,765 |
| 2026-01-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights 10b5-1 | −11.13 | 347.46 | ||
| 2025-12-20 | Tan Irving Chief Executive Officer | Option exercise | +43 | 644,553 | ||
| 2025-12-20 | Tan Irving Chief Executive Officer | Shares withheld for taxes | −967 | $181.08 | $175K | 643,586 |
| 2025-12-20 | Tan Irving Chief Executive Officer | Option exercise · Dividend Equivalent Rights | −43.96 | 1,027.78 | ||
| 2025-12-20 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise | +6 | 132,754 | ||
| 2025-12-20 | Davis Brian Scott Chief Sales & Mrktng Officer | Shares withheld for taxes | −962 | $181.08 | $174K | 131,792 |
| 2025-12-20 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise · Dividend Equivalent Rights | −6.5 | 230.48 | ||
| 2025-12-18 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Grant or award · Dividend Equivalent Rights | +82.42 | 358.59 | ||
| 2025-12-18 | Tan Irving Chief Executive Officer | Grant or award · Dividend Equivalent Rights | +255.22 | 1,071.74 | ||
| 2025-12-18 | STREETER STEPHANIE A Director | Grant or award · Dividend Equivalent Rights | +1.13 | 1.13 | ||
| 2025-12-18 | Shihab Ahmed Mohammed Chief Product Officer | Grant or award · Dividend Equivalent Rights | +131.9 | 571.64 | ||
| 2025-12-18 | Sennesael Kris Chief Financial Officer | Grant or award · Dividend Equivalent Rights | +120.96 | 508.61 | ||
| 2025-12-18 | Oulman Roxanne Director | Grant or award · Dividend Equivalent Rights | +1.13 | 1.13 | ||
| 2025-12-18 | MASSENGILL MATTHEW E Director | Grant or award · Dividend Equivalent Rights | +20.69 | 92.85 | ||
| 2025-12-18 | KIDDOO BRUCE E Director | Grant or award · Dividend Equivalent Rights | +1.13 | 1.13 | ||
| 2025-12-18 | Gubbi Vidyadhara K Chief of Global Operations | Grant or award · Dividend Equivalent Rights | +73.99 | 319.07 | ||
| 2025-12-18 | Feller Brad SVP & Chief Accounting Officer | Grant or award · Dividend Equivalent Rights | +7.08 | 7.08 |
Page 24 of 42 · 821 trades