Rainer M. Erdtmann

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Redwood City, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Rainer M. Erdtmann
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Rainer M. Erdtmann

Form 4 holding President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director

Biomea Fusion, Inc.

Security class
Common Stock
Shares / value
1,134,989
Estimated value
$1,407,386
Report date
31 Dec 2025
Price
$1.24
Ownership
Indirect
Form 4 holding President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director

Biomea Fusion, Inc.

Security class
Common Stock
Shares / value
572,427
Estimated value
$709,809
Report date
31 Dec 2025
Price
$1.24
Ownership
Direct
Form 4 holding President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director

Biomea Fusion, Inc.

Security class
Common Stock
Shares / value
70,000
Estimated value
$86,800
Report date
31 Dec 2025
Price
$1.24
Ownership
By daughter
Form 4 holding President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director

Biomea Fusion, Inc.

Security class
Common Stock
Shares / value
70,000
Estimated value
$86,800
Report date
31 Dec 2025
Price
$1.24
Ownership
By son
Form 4 holding President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director

Biomea Fusion, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
452,512
Estimated value
Report date
01 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Rainer M. Erdtmann

4 BMEA

Biomea Fusion, Inc.

Report period
01 Apr 2026
Transactions
1
Transaction value
$0
Accepted by SEC
03 Apr 2026, 16:15
Role
President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director
Next action
Open filing details
4 BMEA

Biomea Fusion, Inc.

Report period
11 Dec 2025
Transactions
1
Transaction value
+$42,999
Accepted by SEC
15 Dec 2025, 16:15
Role
President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director
Next action
Open filing details
4 BMEA

Biomea Fusion, Inc.

Report period
28 Nov 2025
Transactions
2
Transaction value
+$54,552
Accepted by SEC
02 Dec 2025, 16:15
Role
President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director
Next action
Open filing details
4 BMEA

Biomea Fusion, Inc.

Report period
28 Jan 2025
Transactions
8
Transaction value
$0
Accepted by SEC
13 Aug 2025, 16:15
Role
President, Chief Operating Officer, Principal Financial Officer, and Principal Accounting Officer, Director
Next action
Open filing details
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