Flanagan W. Michael sold RNA
September 18, 2026 · Form 4 insider transaction
Flanagan W. Michael sold 22,812 shares of Atrium Therapeutics, Inc. at $8.95 per share, a transaction worth $204.2K. 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
22,812
Price
$8.95
Total value
$204.2K
InsiderFlanagan W. Michael
RoleDirector
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateSeptember 18, 2026
Filing dateSeptember 22, 2026
Shares owned after31,974
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.