Massengill Matthew E
- SEC CIK
- 0001232826
In the past year, 1 open-market sale filing worth $9.62M and no purchases.
Current role at each company
- WDC Western Digital CorpDirectoras of Sep 21, 2026
- SNDK Sandisk CorpDirectoras of Mar 4, 2025
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $9.62M
- 1 filing
- Net
- −$9.62M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Massengill Matthew E as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
WDC Western Digital Corp
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 6, 2026 (view filing) | Feb 5 | 1 day | Massengill Matthew EDirector | SSale | −36.9K | $260.43 | −$9.62M | −100.0%0 after | 11 lots10b5-1 |