Posner Brian S bought DYN
June 8, 2026 · Form 4 insider transaction
Posner Brian S bought 2,000 shares of Dyne Therapeutics, Inc. at $16.94 per share, a transaction worth $33.9K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
2,000
Price
$16.94
Total value
$33.9K
InsiderPosner Brian S
RoleDirector
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateJune 8, 2026
Filing dateJune 9, 2026
Shares owned after24,500
OwnershipDirect
10b5-1 planNo
AmendedNo