Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 10 years
- Director since
- 2023
10 years of board service in total across 3 boards, counting each seat separately. Longest: Assembly Biosciences 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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Axsome Therapeutics Inc. June 5, 202676.7%
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Assembly Biosciences Inc. June 4, 2026100.0%
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Assembly Biosciences Inc. June 5, 202579.6%
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Assembly Biosciences Inc. May 29, 202499.2%
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Assembly Biosciences Inc. May 25, 202374.2%
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 |
|---|---|---|---|---|---|
| Jun 10, 2026 | Axsome Therapeutics Inc. | Open-market sale | −300 | $246.18 | $73,854 |
| Jun 9, 2026 | Axsome Therapeutics Inc. | Open-market sale | −300 | $237.21 | $71,163 |
| Jun 8, 2026 | Axsome Therapeutics Inc. | Option exercise | +1,429 | — | — |
Questions about Susan Mahony
What boards is Susan Mahony on?
Susan Mahony sits on the boards of Assembly Biosciences Inc., Axsome Therapeutics Inc. and Zymeworks Inc.
How long has Susan Mahony served on boards?
Our records show at least 10 years of board service across 3 boards, the earliest from 2023.
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