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 |
|---|---|---|---|---|---|---|
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −32 | $509.16 | $16K | 28,553 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −326 | $510.61 | $166K | 28,227 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −310 | $511.67 | $159K | 27,917 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −316 | $513.14 | $162K | 27,601 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −296 | $514.09 | $152K | 27,305 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −392 | $515.40 | $202K | 26,913 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −112 | $516.72 | $58K | 26,801 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −216 | $517.59 | $112K | 26,585 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −48 | $519.25 | $25K | 26,537 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −160 | $521.14 | $83K | 26,377 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −32 | $523.23 | $17K | 26,345 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −48 | $524.72 | $25K | 26,297 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −16 | $525.56 | $8K | 26,281 |
| 2026-06-09 | Cole Martin I Director | Sale 10b5-1 | −128 | $527.22 | $67K | 26,153 |
| 2026-06-05 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −432 | $545.60 | $236K | 116,643 |
| 2026-06-03 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise 10b5-1 | +6 | 117,774 | ||
| 2026-06-03 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes 10b5-1 | −699 | $594.11 | $415K | 117,075 |
| 2026-06-03 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights 10b5-1 | −6.68 | 304.36 | ||
| 2026-06-03 | Gubbi Vidyadhara K Chief of Global Operations | Option exercise | +13 | 85,167 | ||
| 2026-06-03 | Gubbi Vidyadhara K Chief of Global Operations | Shares withheld for taxes | −1,764 | $594.11 | $1.0M | 83,403 |
Page 12 of 42 · 821 trades