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 |
|---|---|---|---|---|---|---|
| 2026-08-21 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes 10b5-1 | −1,109 | $459.44 | $510K | 112,830 |
| 2026-08-21 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights 10b5-1 | −11.18 | 294.79 | ||
| 2026-08-21 | Tan Irving Chief Executive Officer | Option exercise | +25 | 575,860 | ||
| 2026-08-21 | Tan Irving Chief Executive Officer | Shares withheld for taxes | −545 | $459.44 | $250K | 575,315 |
| 2026-08-21 | Tan Irving Chief Executive Officer | Option exercise · Dividend Equivalent Rights | −25.01 | 848.39 | ||
| 2026-08-21 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise | +5 | 82,820 | ||
| 2026-08-21 | Gubbi Vidyadhara K Chief of Global Operations | Shares withheld for taxes | −694 | $459.44 | $319K | 82,126 |
| 2026-08-21 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise · Dividend Equivalent Rights | −5.56 | 226.86 | ||
| 2026-08-21 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise | +4 | 100,896 | ||
| 2026-08-21 | Davis Brian Scott Chief Sales & Mrktng Officer | Shares withheld for taxes | −593 | $459.44 | $272K | 100,303 |
| 2026-08-21 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise · Dividend Equivalent Rights | −4.75 | 179.67 | ||
| 2026-08-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise 10b5-1 | +3 | 114,542 | ||
| 2026-08-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes 10b5-1 | −379 | $469.05 | $178K | 114,163 |
| 2026-08-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights 10b5-1 | −3.83 | 305.97 | ||
| 2026-08-20 | Tan Irving Chief Executive Officer | Option exercise | +13 | 575,979 | ||
| 2026-08-20 | Tan Irving Chief Executive Officer | Shares withheld for taxes | −144 | $469.05 | $68K | 575,835 |
| 2026-08-20 | Tan Irving Chief Executive Officer | Option exercise · Dividend Equivalent Rights | −13.26 | 873.4 | ||
| 2026-08-20 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise | +4 | 83,407 | ||
| 2026-08-20 | Gubbi Vidyadhara K Chief of Global Operations | Shares withheld for taxes | −592 | $469.05 | $278K | 82,815 |
| 2026-08-20 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise · Dividend Equivalent Rights | −4.75 | 232.42 |
Page 6 of 42 · 821 trades