Rainer M. Erdtmann - 01 Apr 2026 Form 4 Insider Report for Biomea Fusion, Inc. (BMEA)

Reporting relationship: President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director
Issuer ticker: BMEA
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Apr 2026, 16:15:06 UTC
Prior SEC filing: 06 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Rainer M. Erdtmann

Key filing fact

Rainer M. Erdtmann filed Form 4 for Biomea Fusion, Inc. (BMEA) on 03 Apr 2026.

Key facts

This page summarizes Rainer M. Erdtmann's Form 4 filing for Biomea Fusion, Inc. (BMEA).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 03 Apr 2026, 16:15.

Change

Previous filing in this sequence was filed on 06 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001455767 Primary reporting owner

Erdtmann Rainer M

Relationship: President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director
Address: C/O BIOMEA FUSION, INC., 1599 INDUSTRIAL ROAD, SAN CARLOS
Signature: /s/ Rainer M. Erdtmann
Signature date: 03 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BMEA transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +452,512
Change %
Price: $0.000000^*
Shares after: 452,512
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 452,512
Exercise price: $1.49
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The option shall vest and become exercisable in 16 substantially equal quarterly installments after April 1, 2026, such that the award will be fully vested and exercisable on April 1, 2030, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC remarks

President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer