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 |
|---|---|---|---|---|---|---|
| 2026-09-04 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −432 | $451.20 | $195K | 111,030 |
| 2026-09-04 | Gubbi Vidyadhara K Chief of Global Operations | Sale | −1,795 | $459.87 | $825K | 80,571 |
| 2026-09-03 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise 10b5-1 | +7 | 112,162 | ||
| 2026-09-03 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes 10b5-1 | −700 | $441.57 | $309K | 111,462 |
| 2026-09-03 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights 10b5-1 | −7.06 | 270.48 | ||
| 2026-09-03 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise | +14 | 84,130 | ||
| 2026-09-03 | Gubbi Vidyadhara K Chief of Global Operations | Shares withheld for taxes | −1,764 | $441.57 | $779K | 82,366 |
| 2026-09-03 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise · Dividend Equivalent Rights | −14.12 | 194.12 | ||
| 2026-09-03 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise | +7 | 101,328 | ||
| 2026-09-03 | Davis Brian Scott Chief Sales & Mrktng Officer | Shares withheld for taxes | −882 | $441.57 | $389K | 100,446 |
| 2026-09-03 | Davis Brian Scott Chief Sales & Mrktng Officer | Option exercise · Dividend Equivalent Rights | −7.06 | 157.26 | ||
| 2026-09-01 | Tan Irving Chief Executive Officer | Gift | −112,500 | 0 | ||
| 2026-09-01 | Tan Irving Chief Executive Officer | Gift | +112,500 | 112,500 | ||
| 2026-09-01 | STREETER STEPHANIE A Director | Sale | −1,600 | $455.00 | $728K | 34,807 |
| 2026-08-31 | Tan Irving Chief Executive Officer | Other disposition | −112,500 | 266,647 | ||
| 2026-08-31 | Tan Irving Chief Executive Officer | Other acquisition | +112,500 | 112,500 | ||
| 2026-08-31 | STREETER STEPHANIE A Director | Sale | −2,000 | $447.06 | $894K | 38,407 |
| 2026-08-31 | STREETER STEPHANIE A Director | Sale | −2,000 | $448.58 | $897K | 36,407 |
| 2026-08-27 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −1,007 | $478.36 | $482K | 112,155 |
| 2026-08-26 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −476 | $450.78 | $215K | 114,784 |
Page 3 of 42 · 821 trades