Joshua B. Cohen
Co-Chief Executive Officer at Amylyx Pharmaceuticals Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 2 boards, counting each seat separately. Longest: Amylyx Pharmaceuticals Inc., 3 years.
Chief executive roles
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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Amylyx Pharmaceuticals Inc. June 6, 202474.3%
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 |
|---|---|---|---|---|---|
| Nov 9, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −38,105 | $29.39 | $1,120,032 |
| Nov 9, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −61,895 | $30.11 | $1,863,646 |
| Sep 10, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −29,545 | $32.16 | $950,167 |
| Sep 10, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −919 | $33.15 | $30,465 |
| Aug 18, 2026 | Amylyx Pharmaceuticals Inc. | Grant or award | +60,039 | — | — |
| Mar 5, 2026 | Amylyx Pharmaceuticals Inc. | Grant or award | +248,865 | — | — |
| Mar 2, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −29,282 | $14.48 | $424,003 |
| Feb 2, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −15,500 | $14.68 | $227,540 |
| Jan 16, 2026 | Amylyx Pharmaceuticals Inc. | Option exercise | +2,818 | $7.57 | $21,332 |
| Jan 16, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −1,974 | $13.83 | $27,300 |
| Jan 15, 2026 | Amylyx Pharmaceuticals Inc. | Option exercise | +197,182 | $7.57 | $1,492,668 |
| Jan 15, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −136,193 | $13.59 | $1,850,863 |
| Jan 6, 2026 | Amylyx Pharmaceuticals Inc. | Open-market sale | −7,715 | $11.09 | $85,559 |
| Sep 30, 2025 | Amylyx Pharmaceuticals Inc. | Open-market sale | −29,733 | $14.34 | $426,371 |
| Sep 30, 2025 | Amylyx Pharmaceuticals Inc. | Open-market sale | −200 | $15.00 | $3,000 |
Questions about Joshua B. Cohen
What boards is Joshua B. Cohen on?
Joshua B. Cohen sits on the boards of Amylyx Pharmaceuticals Inc. and TCGX Acquisition Corp. II.
What company is Joshua B. Cohen the CEO of?
Joshua B. Cohen is Co-Chief Executive Officer of Amylyx Pharmaceuticals Inc.
How long has Joshua B. Cohen served on boards?
Our records show at least 4 years of board service across 2 boards, the earliest from 2023.
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