Edward T. Mathers
Sits on 5 boards. Overboarded · 5 public boards Last updated September 28, 2026
Time on boards
- Boards served
- 5
- Current seats
- 5
- Board service
- 16 years
- Director since
- 2023
16 years of board service in total across 5 boards, counting each seat separately. Longest: Rhythm Pharmaceuticals Inc., 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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Senti Biosciences Holdings Inc. October 15, 202678.8%
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MBX Biosciences Inc. June 4, 202680.8%
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OnKure Therapeutics Inc. June 3, 202699.7%
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Trevi Therapeutics Inc. June 13, 202469.7%
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Senti Biosciences Holdings Inc. June 16, 202369.5%
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OnKure Therapeutics Inc. June 6, 202395.1%
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 |
|---|---|---|---|---|---|
| Mar 12, 2026 | Rhythm Pharmaceuticals Inc. | Other | +4,199 | — | — |
| Mar 10, 2026 | Korro Bio Inc. | Open-market purchase | +207,100 | $11.11 | $2,300,881 |
| Mar 2, 2026 | Rhythm Pharmaceuticals Inc. | Other | +4,198 | — | — |
| Feb 9, 2026 | SpyGlass Pharma Inc. | Derivative conversion | +1,619,240 | — | — |
| Feb 9, 2026 | SpyGlass Pharma Inc. | Derivative conversion | +1,370,168 | — | — |
| Feb 9, 2026 | SpyGlass Pharma Inc. | Derivative conversion | +1,370,168 | — | — |
| Feb 9, 2026 | SpyGlass Pharma Inc. | Derivative conversion | +737,962 | — | — |
| Feb 9, 2026 | SpyGlass Pharma Inc. | Open-market purchase | +937,500 | $16.00 | $15,000,000 |
| Dec 31, 2025 | OnKure Therapeutics Inc. | Grant or award | +3,911 | — | — |
| Sep 30, 2025 | OnKure Therapeutics Inc. | Grant or award | +4,125 | — | — |
| Jun 30, 2025 | OnKure Therapeutics Inc. | Grant or award | +4,694 | — | — |
| Jun 18, 2025 | Rhythm Pharmaceuticals Inc. | Option exercise | +4,000 | — | — |
| Mar 31, 2025 | OnKure Therapeutics Inc. | Grant or award | +2,580 | — | — |
| Sep 16, 2024 | MBX Biosciences Inc. | Derivative conversion | +1,023,103 | — | — |
| Sep 16, 2024 | MBX Biosciences Inc. | Derivative conversion | +2,091,383 | — | — |
Questions about Edward T. Mathers
What boards is Edward T. Mathers on?
Edward T. Mathers sits on the boards of MBX Biosciences Inc., OnKure Therapeutics Inc., Rhythm Pharmaceuticals Inc., Senti Biosciences Holdings Inc. and Trevi Therapeutics Inc.
How long has Edward T. Mathers served on boards?
Our records show at least 16 years of board service across 5 boards, the earliest from 2023.
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