William C. Martin
Chief Strategy Officer at Immersion Corporation
Sits on 2 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Immersion Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Immersion Corporation April 6, 202687.1%
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Barnes & Noble Education Inc March 10, 202698.1%
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Barnes & Noble Education Inc September 18, 202499.7%
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Barnes & Noble Education Inc June 5, 202491.4%
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Immersion Corporation April 29, 202484.3%
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Immersion Corporation March 24, 202382.8%
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 |
|---|---|---|---|---|---|
| Jul 31, 2026 | Immersion Corporation | Grant or award | +5,640 | — | — |
| Apr 30, 2026 | Immersion Corporation | Grant or award | +7,425 | — | — |
| Apr 30, 2026 | Immersion Corporation | Grant or award | +17,872 | — | — |
| Mar 11, 2026 | Barnes & Noble Education Inc | Grant or award | +23,867 | — | — |
| Jan 30, 2026 | Immersion Corporation | Grant or award | +6,588 | — | — |
| Nov 14, 2025 | Immersion Corporation | Grant or award | +17,647 | — | — |
| Oct 31, 2025 | Immersion Corporation | Grant or award | +7,952 | — | — |
| Jul 31, 2025 | Immersion Corporation | Grant or award | +7,140 | — | — |
| Jul 1, 2025 | Immersion Corporation | Shares withheld for tax | −68,400 | $7.91 | $541,044 |
| May 2, 2025 | Immersion Corporation | Grant or award | +10,239 | — | — |
| Apr 30, 2025 | Immersion Corporation | Grant or award | +5,968 | — | — |
| Apr 1, 2025 | Immersion Corporation | Shares withheld for tax | −45,600 | $7.74 | $352,944 |
| Mar 20, 2025 | Immersion Corporation | Open-market purchase | +27,150 | $7.55 | $204,983 |
| Jan 31, 2025 | Immersion Corporation | Grant or award | +86,899 | — | — |
| Jan 1, 2025 | Immersion Corporation | Shares withheld for tax | −8,799 | $8.73 | $76,815 |
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