Posner Brian S bought DYN
March 11, 2026 · Form 4 insider transaction
Posner Brian S bought 2,000 shares of Dyne Therapeutics, Inc. at $19.35 per share, a transaction worth $38.7K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
2,000
Price
$19.35
Total value
$38.7K
InsiderPosner Brian S
RoleDirector
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateMarch 11, 2026
Filing dateMarch 13, 2026
Shares owned after13,500
OwnershipDirect
10b5-1 planNo
AmendedNo