United States Biotechnology & Medical Research

Biomea Fusion Inc (BMEA)

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The most recent insider trading activity at Biomea Fusion Inc occurred in December 2025, consisting entirely of open market purchases. Interim CEO Michael J.M. Hitchcock and insider Rainer M. Erdtmann acquired a combined 180,000 shares across four transactions between November 28 and December 11, 2025. No insider transactions have been reported in the last three months.
Ticker: BMEA Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Biomea Fusion Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 11 Dec 2025
Value US$1,641,199.88 | Price 15.10 | Shares 99,724 (-36.6%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-15 2025-12-11 B Purchase
3.5
Erdtmann Rainer M

See Remarks

Executive Director
99,724 -36.6%
15.10
US$1,641,200 		99,724 -36.6% 15.10 US$1,641,200
2025-12-04 2025-12-02 B Purchase
3.1
Hitchcock Michael J.M.

Interim CEO

Executive Director
56,759 +31.9%
117.51
US$920,214 		56,759 +31.9% 117.51 US$920,214
2025-12-02 2025-12-01 B Purchase
3.5
Erdtmann Rainer M

See Remarks

Executive Director
11,146 +38.6%
358.71
US$3,148,876 		11,146 +38.6% 358.71 US$3,148,876
2025-12-02 2025-11-28 B Purchase
3.5
Erdtmann Rainer M

See Remarks

Executive Director
40,000 +6.2%
1.10
US$44,052 		40,000 +6.2% 1.10 US$44,052
2024-10-01 2024-09-30 B Purchase
3.1
Hitchcock Michael J.M.
Non-Executive Director
10,000 +200.0%
10.06
US$100,600 		10,000 +200.0% 10.06 US$100,600
2024-06-12 2024-06-11 B Purchase
2.6
Valle Franco

Chief Financial Officer

Officer
12,509 +41.7%
4.43
US$55,361 		12,509 +41.7% 4.43 US$55,361
2023-06-02 2023-06-01 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
50,000 -1.4%
34.56
US$1,728,165 		50,000 -1.4% 34.56 US$1,728,165
2023-06-02 2023-05-31 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
75,000 -2.1%
33.81
US$2,535,750 		75,000 -2.1% 33.81 US$2,535,750
2023-05-19 2023-05-19 PrS Proposed sale
3.5
A2A Pharmaceuticals, Inc.

10% Stockholder

Large shareholder
1,500,000
32.13
US$48,195,000 		1,500,000 32.13 US$48,195,000
2023-05-17 2023-05-12 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
25,000 -0.7%
33.84
US$846,000 		25,000 -0.7% 33.84 US$846,000
2023-05-10 2023-05-09 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
150,000 -3.9%
34.50
US$5,175,720 		150,000 -3.9% 34.50 US$5,175,720
2023-05-10 2023-05-08 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
100,000 -2.6%
33.99
US$3,399,310 		100,000 -2.6% 33.99 US$3,399,310
2023-04-27 2023-04-27 PrS Proposed sale
3.5
A2A Pharmaceuticals, Inc.

Stakeholder

Large shareholder
400,000
30.00
US$12,000,000 		400,000 30.00 US$12,000,000
2023-04-26 2023-04-20 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
200,000 -4.9%
29.12
US$5,823,760 		200,000 -4.9% 29.12 US$5,823,760
2023-04-20 2023-04-20 PrS Proposed sale
3.5
A2A Pharmaceuticals, Inc.

10% Stockholder

Large shareholder
200,000
27.75
US$5,550,000 		200,000 27.75 US$5,550,000
2023-04-03 2023-03-30 B Purchase
2.2
Chen Bihua
Non-Executive Director Large shareholder
400,000 +12.6%
30.00
US$12,000,000 		400,000 +12.6% 30.00 US$12,000,000
2022-11-16 2022-11-14 B Purchase
3.1
Hitchcock Michael J.M.
Non-Executive Director
5,000 +inf%
7.93
US$39,650 		5,000 +inf% 7.93 US$39,650
2022-11-14 2022-11-11 B Purchase
2.6
Valle Franco

Chief Financial Officer

Officer
4,100 +30.8%
7.63
US$31,286 		4,100 +30.8% 7.63 US$31,286
2022-07-25 2022-07-21 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
34,658 -0.8%
11.21
US$388,516 		34,658 -0.8% 11.21 US$388,516
2022-06-28 2022-06-24 S Sale
3.5
A2A Pharmaceuticals, Inc.
Large shareholder
34,658 -0.8%
11.76
US$407,578 		34,658 -0.8% 11.76 US$407,578
2022-01-18 2022-01-14 B Purchase
2.6
Valle Franco

Chief Financial Officer

Officer
10,000 +inf%
8.68
US$86,767 		10,000 +inf% 8.68 US$86,767
2021-04-22 2021-04-20 B Purchase
2.2
Chen Bihua
Non-Executive Director
900,000 +39.6%
17.00
US$15,300,000 		900,000 +39.6% 17.00 US$15,300,000
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