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 |
|---|---|---|---|---|---|---|
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −2,200 | $264.99 | $583K | 1,316 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −916 | $265.92 | $244K | 400 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −400 | $268.06 | $107K | 0 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −981 | $242.23 | $238K | 642,605 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,298 | $243.50 | $316K | 641,307 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −800 | $245.01 | $196K | 640,507 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,005 | $247.26 | $248K | 639,502 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,100 | $248.95 | $274K | 638,402 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −200 | $249.49 | $50K | 638,202 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,000 | $252.15 | $252K | 637,202 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −100 | $253.40 | $25K | 637,102 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −100 | $255.00 | $26K | 637,002 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,000 | $256.76 | $257K | 636,002 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −1,500 | $257.82 | $387K | 634,502 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −2,096 | $258.65 | $542K | 632,406 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −2,250 | $259.93 | $585K | 630,156 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −2,444 | $260.84 | $637K | 627,712 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −3,626 | $261.84 | $949K | 624,086 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −100 | $262.55 | $26K | 623,986 |
| 2026-02-02 | Tan Irving Chief Executive Officer | Sale 10b5-1 | −400 | $250.71 | $100K | 623,586 |
Page 23 of 42 · 821 trades