Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Western Digital Corporation, 2 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Western Digital Corporation November 20, 202596.9%
-
Western Digital Corporation November 20, 202496.2%
-
Western Digital Corporation November 15, 202395.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −2,600 | $256.63 | $667,238 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −4,411 | $257.69 | $1,136,671 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −7,000 | $258.67 | $1,810,690 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −4,915 | $259.59 | $1,275,885 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −5,987 | $260.57 | $1,560,033 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −3,597 | $261.71 | $941,371 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −2,300 | $262.77 | $604,371 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −2,600 | $264.01 | $686,426 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −2,200 | $264.99 | $582,978 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −916 | $265.92 | $243,583 |
| Feb 5, 2026 | Western Digital Corporation | Open-market sale | −400 | $268.06 | $107,224 |
| Nov 20, 2025 | Western Digital Corporation | Grant or award | +1,585 | — | — |
| Mar 3, 2025 | Sandisk Corporation | Grant or award | +4,840 | — | — |
| Nov 20, 2024 | Western Digital Corporation | Grant or award | +4,542 | — | — |
| Nov 15, 2023 | Western Digital Corporation | Grant or award | +6,300 | — | — |
Questions about Matthew E. Massengill
What boards is Matthew E. Massengill on?
Matthew E. Massengill sits on the boards of Sandisk Corporation and Western Digital Corporation.
How long has Matthew E. Massengill served on boards?
Our records show at least 5 years of board service across 2 boards, the earliest from 2023.
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