Martin I Cole sold $976k of WDC
director at WESTERN DIGITAL CORP. 6,000 shares at an average of $162.62, traded Dec 1, 2025, filed Dec 3, 2025.
Score components
- +15RoleDirector
- +25Trade size$976k at market
- +5Share of holdings soldSold 14% of holdings
- +15Cluster5 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +20.7%, 3m +68.1%, 6m +282.3%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001266824-25-000260, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -100 | $157.50 | $16k | 41,333 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -500 | $158.98 | $79k | 40,833 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -600 | $159.89 | $96k | 40,233 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -900 | $161.17 | $145k | 39,333 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -400 | $162.12 | $65k | 38,933 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -451 | $163.16 | $74k | 38,482 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -2,539 | $164.20 | $417k | 35,943 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock10b5-1 | -510 | $164.95 | $84k | 35,433 | Dec 3, 2025 |
Related signals
Other insiders at WESTERN DIGITAL CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 38Weak | WESTERN DIGITAL CORP | Vidyadhara K Gubbi Chief of Global Operations | $825k 1,795 shares | -2% | |
| 7Weak | WESTERN DIGITAL CORP | Cynthia L Tregillis Chief Legal Officer & Corp Sec | $195k 432 shares | -0% | |
| 60Notable | WESTERN DIGITAL CORP | Stephanie A Streeter director | $2.5M 5,600 shares | -14% | |
| 16Weak | WESTERN DIGITAL CORP | Cynthia L Tregillis Chief Legal Officer & Corp Sec | $696k 1,483 shares | -1% | |
| 11Weak | WESTERN DIGITAL CORP | Cynthia L Tregillis Chief Legal Officer & Corp Sec | $417k 919 shares | -1% | |
| 45Moderate | WESTERN DIGITAL CORP | Irving Tan Chief Executive Officer | $8.9M 20,000 shares | -3% | |
| 40Moderate | WESTERN DIGITAL CORP | Martin I Cole director | $1.7M 3,808 shares | -15% | |
| 19Weak | WESTERN DIGITAL CORP | Martin I Cole director | $89k 192 shares | -1% | |
| 5Weak | WESTERN DIGITAL CORP | Cynthia L Tregillis Chief Legal Officer & Corp Sec | $428k 808 shares | -1% | |
| 40Moderate | WESTERN DIGITAL CORP | Martin I Cole director | $1.7M 3,280 shares | -11% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.