Posner Brian S bought DYN
October 1, 2025 · Form 4 insider transaction
Posner Brian S bought 70,000 shares of Dyne Therapeutics, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
70,000
Price
$0.00
Total value
N/A
InsiderPosner Brian S
RoleDirector
SecurityStock option (right to buy)
Transaction codeA: Grant or award
Transaction dateOctober 1, 2025
Filing dateOctober 2, 2025
Shares owned after70,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The option was granted on October 1, 2025. The shares underlying the option are scheduled to vest over three years in equal monthly installments through October 1, 2028.