Winslow Brendan R. sold RNA
September 18, 2026 · Form 4 insider transaction
Winslow Brendan R. sold 6,742 shares of Atrium Therapeutics, Inc. at $8.95 per share, a transaction worth $60.3K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
6,742
Price
$8.95
Total value
$60.3K
InsiderWinslow Brendan R.
RoleOfficer
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateSeptember 18, 2026
Filing dateSeptember 22, 2026
Shares owned after36,859
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.