Insider trades

Posner Brian S

Posner Brian S made 6 buys and 2 sales on the open market in the last 12 months at Dyne Therapeutics, Inc. and Arch Capital Group Ltd. Each trade with the role, price and filing.

DateCompanyTradeSharesPrice
Oct 2, 2026Dyne Therapeutics, Inc.Buy2,500US$16
Jun 8, 2026Dyne Therapeutics, Inc.Buy2,000US$17
Jun 3, 2026Dyne Therapeutics, Inc.Buy2,500US$17
Jun 3, 2026Arch Capital Group Ltd.Sale3,000US$20
May 26, 2026Dyne Therapeutics, Inc.Buy2,000US$18
May 20, 2026Dyne Therapeutics, Inc.Buy2,500US$17
May 11, 2026Arch Capital Group Ltd.Sale2,000US$17
Mar 30, 2026Dyne Therapeutics, Inc.Buy2,000US$17