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 |
|---|---|---|---|---|---|---|
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −204 | $390.04 | $80K | 21,229 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −385 | $391.05 | $151K | 20,844 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −407 | $392.42 | $160K | 20,437 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −494 | $393.22 | $194K | 19,943 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −243 | $394.41 | $96K | 19,700 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −209 | $395.30 | $83K | 19,491 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −317 | $396.31 | $126K | 19,174 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −584 | $397.48 | $232K | 18,590 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −723 | $398.45 | $288K | 17,867 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −303 | $399.36 | $121K | 17,564 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −88 | $400.33 | $35K | 17,476 |
| 2026-10-29 | Cole Martin I Director | Sale 10b5-1 | −43 | $401.47 | $17K | 17,433 |
| 2026-10-21 | Tregillis Cynthia L Chief Legal Officer & Corp Sec | Sale 10b5-1 | −807 | $380.00 | $307K | 108,927.66 |
| 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 |
| 2026-09-01 | STREETER STEPHANIE A Director | Sale | −1,600 | $455.00 | $728K | 34,807 |
| 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 1 of 14 · 273 trades