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 |
|---|---|---|---|---|---|---|
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −870 | $275.12 | $239K | 129,980 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −540 | $276.22 | $149K | 129,440 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −2,129 | $277.37 | $591K | 127,311 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −972 | $278.28 | $270K | 126,339 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −406 | $279.53 | $113K | 125,933 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −929 | $280.83 | $261K | 125,004 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −995 | $282.00 | $281K | 124,009 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −902 | $282.66 | $255K | 123,107 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −400 | $283.93 | $114K | 122,707 |
| 2026-02-17 | Davis Brian Scott Chief Sales & Mrktng Officer | Sale 10b5-1 | −915 | $285.01 | $261K | 121,792 |
| 2026-02-12 | KIDDOO BRUCE E Director | Gift | −910 | 4,753 | ||
| 2026-02-06 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale | −6,780 | $270.49 | $1.8M | 136,538 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −2,600 | $256.63 | $667K | 34,326 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −4,411 | $257.69 | $1.1M | 29,915 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −7,000 | $258.67 | $1.8M | 22,915 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −4,915 | $259.59 | $1.3M | 18,000 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −5,987 | $260.57 | $1.6M | 12,013 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −3,597 | $261.71 | $941K | 8,416 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −2,300 | $262.77 | $604K | 6,116 |
| 2026-02-05 | MASSENGILL MATTHEW E Director | Sale 10b5-1 | −2,600 | $264.01 | $686K | 3,516 |
Page 22 of 42 · 821 trades