Rainer M. Erdtmann
President and COO at Biomea Fusion Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Biomea Fusion Inc., 3 years.
Biomea Fusion Inc.
Director · See Remarks
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 |
|---|---|---|---|---|---|
| Dec 31, 2025 | Biomea Fusion Inc. | Gift | −50,600 | — | — |
| Dec 31, 2025 | Biomea Fusion Inc. | Gift | +50,600 | — | — |
| Dec 31, 2025 | Biomea Fusion Inc. | Gift | −50,000 | — | — |
| Dec 31, 2025 | Biomea Fusion Inc. | Gift | +50,000 | — | — |
| Dec 31, 2025 | Biomea Fusion Inc. | Gift | −50,000 | — | — |
| Dec 31, 2025 | Biomea Fusion Inc. | Gift | +50,000 | — | — |
| Dec 11, 2025 | Biomea Fusion Inc. | Open-market purchase | +30,000 | $1.43 | $42,900 |
| Dec 1, 2025 | Biomea Fusion Inc. | Open-market purchase | +10,000 | $1.05 | $10,500 |
| Nov 28, 2025 | Biomea Fusion Inc. | Open-market purchase | +40,000 | $1.10 | $44,000 |
| Jan 31, 2025 | Biomea Fusion Inc. | Gift | −10,000 | — | — |
| Jan 31, 2025 | Biomea Fusion Inc. | Gift | +10,000 | — | — |
| Jan 31, 2025 | Biomea Fusion Inc. | Gift | −10,000 | — | — |
| Jan 31, 2025 | Biomea Fusion Inc. | Gift | +10,000 | — | — |
| Jan 31, 2025 | Biomea Fusion Inc. | Gift | −10,000 | — | — |
| Jan 31, 2025 | Biomea Fusion Inc. | Gift | +10,000 | — | — |
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