Mosbrooker Eric sold RNA
December 17, 2025 · Form 4 insider transaction
Mosbrooker Eric sold 11,426 shares of Atrium Therapeutics, Inc. at $71.87 per share, a transaction worth $821.2K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
11,426
Price
$71.87
Total value
$821.2K
InsiderMosbrooker Eric
RoleOfficer
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateDecember 17, 2025
Filing dateDecember 19, 2025
Shares owned after79,010
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents the number of shares withheld by the Issuer to cover tax withholding in connection with the settlement of restricted stock units on December 17, 2025.