Posner Brian S

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Posner Brian S
CIK #0001372455
EDGAR Form CIK 2011 - 2026
3 [0001372455]
4 [0001372455]
5 [0001372455]
Form 3/4/5 Subject 2011 - 2026
Posner Brian S
Dyne Therapeutics Inc
Arch Capital Group Ltd
Biogen Inc
Bioverativ Inc
BG Medicine Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Arch Capital Group Ltd ACGL
Depositary Shares, Series G
2026-03-11 Sell 3,000 $17.12 51,360
Dyne Therapeutics Inc DYN
Common Stock
2026-03-11 Buy 2,000 $19.35 38,700
Dyne Therapeutics Inc DYN
Common Stock
2026-03-06 Buy 3,000 $15.06 45,180
Dyne Therapeutics Inc DYN
Stock option (right to buy) · derivative
2025-10-01 Grant 70,000 $0.00
Arch Capital Group Ltd ACGL
Depositary Shares, Series G
2025-08-01 Buy 1,000 $17.34 17,340
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2025-05-07 Grant 1,564
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2024-05-09 Grant 1,455
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2023-05-04 Grant 1,714
Arch Capital Group Ltd ACGL
Depositary Shares, Series G
2022-10-28 Buy 2,000 $17.60 35,200
Biogen Inc BIIB
Common Stock
2022-06-07 Gift 150 $0.00
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2022-05-04 Grant 2,642
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2022-05-04 Grant 2,642
Arch Capital Group Ltd ACGL
Depositary Shares, Series G
2022-04-29 Buy 2,000 $19.23 38,460
Arch Capital Group Ltd ACGL
Depositary Shares, Series E
2021-09-30 Disposed to issuer 2,000 $25.00 50,000
Biogen Inc BIIB
Common Stock
2021-07-01 Grant 775 $0.00
Arch Capital Group Ltd ACGL
Depositary Shares, Series E
2021-06-14 Sell 4,000 $25.24 100,960
Biogen Inc BIIB
Common Stock
2021-06-04 Sell 360 $274.17 98,701
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2021-05-06 Grant 3,143
Arch Capital Group Ltd ACGL
Common Shares, $.0011 par value per share
2021-05-06 Grant 3,143
Biogen Inc BIIB
Common Stock
2020-08-03 Gift 125 $0.00
showing 20 of 95 most recent transactions
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