Posner Brian S bought DYN

June 3, 2026 · Form 4 insider transaction

Posner Brian S bought 2,500 shares of Dyne Therapeutics, Inc. at $17.48 per share, a transaction worth $43.7K. 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
2,500
Price
$17.48
Total value
$43.7K
RoleDirector
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateJune 3, 2026
Filing dateJune 5, 2026
Shares owned after22,500
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR