Rainer M. Erdtmann
CIK: 0001455767
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Biomea Fusion, Inc.
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Apr 1, 2026BMEA
Biomea Fusion, Inc.
Award(A)DirectStock Option (Right to Buy)
452.5K shares- - Dec 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Indirect50K shares- - Dec 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct50.6K shares- - Dec 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Indirect50K shares- - Dec 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct50K shares- - Dec 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Indirect50.6K shares- - Dec 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct50K shares- - Dec 11, 2025BMEA
Biomea Fusion, Inc.
Purchase(P)Direct30K shares at avg. $1.43$43K - Dec 1, 2025BMEA
Biomea Fusion, Inc.
Purchase(P)Direct10K shares at avg. $1.05$11K - Nov 28, 2025BMEA
Biomea Fusion, Inc.
Purchase(P)Direct40K shares at avg. $1.10$44K - Aug 11, 2025BMEA
Biomea Fusion, Inc.
Award(A)DirectStock Option (Right to Buy)
1.2M shares- - Jan 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct10K shares- - Jan 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Indirect10K shares- - Jan 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct10K shares- - Jan 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct10K shares- - Jan 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Indirect10K shares- - Jan 31, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Indirect10K shares- - Jan 28, 2025BMEA
Biomea Fusion, Inc.
Gift(G)Direct40K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Apr 1, 2026 | BMEA Biomea Fusion, Inc. | Award(A) Stock Option (Right to Buy) | 452,512 | - | - | Direct |
| Dec 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 50,000 | - | $0 | Indirect |
| Dec 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 50,600 | - | $0 | Direct |
| Dec 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 50,000 | - | $0 | Indirect |
| Dec 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 50,000 | - | $0 | Direct |
| Dec 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 50,600 | - | $0 | Indirect |
| Dec 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 50,000 | - | $0 | Direct |
| Dec 11, 2025 | BMEA Biomea Fusion, Inc. | Purchase(P) | 30,000 | $1.43 | $42,999 | Direct |
| Dec 1, 2025 | BMEA Biomea Fusion, Inc. | Purchase(P) | 10,000 | $1.05 | $10,500 | Direct |
| Nov 28, 2025 | BMEA Biomea Fusion, Inc. | Purchase(P) | 40,000 | $1.10 | $44,052 | Direct |
| Aug 11, 2025 | BMEA Biomea Fusion, Inc. | Award(A) Stock Option (Right to Buy) | 1,246,989 | - | - | Direct |
| Jan 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 10,000 | - | - | Direct |
| Jan 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 10,000 | - | - | Indirect |
| Jan 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 10,000 | - | - | Direct |
| Jan 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 10,000 | - | - | Direct |
| Jan 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 10,000 | - | - | Indirect |
| Jan 31, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 10,000 | - | - | Indirect |
| Jan 28, 2025 | BMEA Biomea Fusion, Inc. | Gift(G) | 40,000 | - | - | Direct |
1-18 of 18 transactions
About Erdtmann Rainer M
Erdtmann Rainer M (SEC CIK 0001455767) files insider reports with the SEC as Director of Biomea Fusion, Inc. (BMEA).
Signal8 holds 5 ownership filings by Erdtmann Rainer M (4 Form 4, 1 Form 5), filed between Aug 13, 2025 and Apr 3, 2026. Those filings report 18 transactions, from Jan 28, 2025 to Apr 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Erdtmann Rainer M's filings is in SAN CARLOS, CA.
Recent filings by Erdtmann Rainer M
- Apr 1, 2026: Grant or award of BMEA derivative securities (Form 4, code A).
- Dec 31, 2025: Gifts of BMEA shares (6 lines, Form 5, code G).
- Dec 11, 2025: Open-market purchase of BMEA shares (Form 4, code P).
- Dec 1, 2025: Open-market purchase of BMEA shares (Form 4, code P).
- Nov 28, 2025: Open-market purchase of BMEA shares (Form 4, code P).
Other insiders filing for Biomea Fusion, Inc. (BMEA)
- Faust Elizabeth, Director
- AGUIAR ERIC, Director
- Ray Sumita, Director
- Averill Julianne, Director
- Hitchcock Michael J.M., Interim CEO
- Chen Bihua, Director