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 |
|---|---|---|---|---|---|---|
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −419 | $157.01 | $66K | 48,720 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −833 | $158.02 | $132K | 47,887 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −551 | $159.16 | $88K | 47,336 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −982 | $160.24 | $157K | 46,354 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −960 | $161.31 | $155K | 45,394 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −3,303 | $162.18 | $536K | 42,091 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −1,231 | $163.08 | $201K | 40,860 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −798 | $164.08 | $131K | 40,062 |
| 2025-11-05 | Cole Martin I Director | Sale 10b5-1 | −558 | $164.99 | $92K | 39,504 |
| 2025-11-03 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −6,019 | $149.02 | $897K | 659,448 |
| 2025-11-03 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −6,359 | $149.79 | $953K | 653,089 |
| 2025-11-03 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −700 | $150.90 | $106K | 652,389 |
| 2025-11-03 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −2,927 | $152.24 | $446K | 649,462 |
| 2025-11-03 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −2,500 | $153.18 | $383K | 646,962 |
| 2025-11-03 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,495 | $153.93 | $230K | 645,467 |
| 2025-10-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise | +8 | 150,882 | ||
| 2025-10-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Shares withheld for taxes | −1,307 | $121.53 | $159K | 149,575 |
| 2025-10-20 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Option exercise · Dividend Equivalent Rights | −8.76 | 291.3 | ||
| 2025-09-20 | Tan Irving Chief Executive Officer | Option exercise | +34 | 666,246 | ||
| 2025-09-20 | Tan Irving Chief Executive Officer | Shares withheld for taxes | −779 | $106.63 | $83K | 665,467 |
Page 29 of 42 · 821 trades