Alexander Cumbo
President and CEO at Solid Biosciences Inc.
Sits on 3 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 3 boards, counting each seat separately. Longest: Solid Biosciences Inc., 2 years.
Solid Biosciences Inc.
Director · President and CEO
Climb Bio Inc.
Director
Vor Biopharma Inc.
Director
Chief executive roles
Solid Biosciences Inc.
· President and CEO
Dates unknown
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 18, 2026 | Solid Biosciences Inc. | Open-market sale | −16,644 | $5.82 | $96,868 |
| Feb 13, 2026 | Solid Biosciences Inc. | Option exercise | +30,031 | — | — |
| Feb 4, 2026 | Solid Biosciences Inc. | Open-market sale | −48,913 | $6.44 | $315,000 |
| Feb 2, 2026 | Solid Biosciences Inc. | Open-market sale | −80,258 | $6.44 | $516,862 |
| Jan 31, 2026 | Solid Biosciences Inc. | Option exercise | +100,400 | — | — |
| Jan 29, 2026 | Solid Biosciences Inc. | Option exercise | +169,401 | — | — |
| Dec 3, 2025 | Solid Biosciences Inc. | Open-market sale | −10,808 | $5.11 | $55,229 |
| Dec 2, 2025 | Solid Biosciences Inc. | Option exercise | +28,612 | — | — |
| Feb 14, 2025 | Solid Biosciences Inc. | Open-market sale | −11,365 | $3.96 | $45,005 |
| Feb 13, 2025 | Solid Biosciences Inc. | Option exercise | +30,031 | — | — |
| Dec 3, 2024 | Solid Biosciences Inc. | Open-market sale | −11,114 | $5.60 | $62,238 |
| Dec 2, 2024 | Solid Biosciences Inc. | Option exercise | +28,612 | — | — |
| Dec 4, 2023 | Solid Biosciences Inc. | Open-market sale | −11,757 | $2.77 | $32,567 |
| Dec 2, 2023 | Solid Biosciences Inc. | Option exercise | +28,612 | — | — |
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