Matthew E Massengill Insider Trading Activity
Matthew E Massengill has been net-selling over the last 12 months with 0 purchases and 10 sales across 1 company.
WDC is the most-traded position with 10 trades. The largest single transaction was a sale of WDC for $1.8M on Feb 5, 2026.
Performance Scorecard
Forward stock performance after each transaction by Matthew E Massengill. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -0.2% | 40% | 10 |
| 90 days | — | -84.7% | 0% | 10 |
| 120 days | — | -95.6% | 0% | 10 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersWDC · WESTERN DIGITAL CORP
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Feb 5, 2026 | WDC | Sell | 2,600 | $256.63 | $667K | Director |
| Feb 5, 2026 | WDC | Sell | 4,411 | $257.69 | $1.1M | Director |
| Feb 5, 2026 | WDC | Sell | 7,000 | $258.67 | $1.8M | Director |
| Feb 5, 2026 | WDC | Sell | 4,915 | $259.59 | $1.3M | Director |
| Feb 5, 2026 | WDC | Sell | 5,987 | $260.57 | $1.6M | Director |
| Feb 5, 2026 | WDC | Sell | 3,597 | $261.71 | $941K | Director |
| Feb 5, 2026 | WDC | Sell | 2,300 | $262.77 | $604K | Director |
| Feb 5, 2026 | WDC | Sell | 2,200 | $264.99 | $583K | Director |
| Feb 5, 2026 | WDC | Sell | 916 | $265.92 | $244K | Director |
| Feb 5, 2026 | WDC | Sell | 400 | $268.06 | $107K | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| WDC | WESTERN DIGITAL CORP | 10 | $8.9M |
Other insiders at WESTERN DIGITAL CORP
6 other tracked filers at WDC.