InsidersTradesSigma
Total declarations
Company
▲ Purchases (5 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
5
Disclosed sells
0
T+90 hit rate
25%
T+90 mean return
-3.7%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Erdtmann Rainer M, Chief Executive Officer. Officer active across 1 company, notably Biomea Fusion, Inc.. Aggregated, 7 disclosures have been recorded. Split: 5 buys · 0 sell. Total volume traded: €2.9m. History available since 15 April 2021. The latest transaction was disclosed on 11 December 2025 (Acquisition). Regulator: SEC (Form 4). The full history is openly available.
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Declarations7 total
30,000 shares@ US$1.43331.3% of flowCommon StockSEC:0001193125-25-319222:0
Canonical exit: 11 Mar 2026 (T+90)
40,000 shares@ US$1.10131.3% of flowCommon StockSEC:0001193125-25-305287:0
Canonical exit: 26 Feb 2026 (T+90)
40,000 shares0Common StockSEC:0000950170-25-108041:0
3,000 shares0Common StockSEC:0000950170-24-000956:0
2,400 shares@ US$17.000.6% of flowCommon StockSEC:0000899243-23-004569:0
Canonical exit: 14 Jul 2021 (T+90)
24,000 shares@ US$13.2039.5% of flowCommon StockSEC:0001567619-21-016342:0
Canonical exit: 21 Nov 2021 (T+90)
176,470 shares@ US$17.0087.9% of flowCommon StockSEC:0001567619-21-016160:0
Canonical exit: 14 Jul 2021 (T+90)
7 of 7 declarations
About Erdtmann Rainer M
Rainer M. Erdtmann is the Chief Executive Officer and President & COO of Biomea Fusion, Inc. He is responsible for the strategic direction of the company, focusing on innovation in the biotechnology field. His leadership is essential for the development of new solutions.
