Gallagher Kathleen P. sold RNA

September 2, 2025 · Form 4 insider transaction

Gallagher Kathleen P. sold 188 shares of Atrium Therapeutics, Inc. at $47.42 per share, a transaction worth $8.9K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 0 days after the transaction.

Direction
Disposed (sell-side)
Shares
188
Price
$47.42
Total value
$8.9K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 2, 2025
Filing dateSeptember 2, 2025
Shares owned after50,204
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs on August 30, 2025 and the sale of the resulting shares of common stock on September 2, 2025. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary trade by the Reporting Person. The Reporting Person has executed an instruction letter for the automatic sale of such "sell-to-cover" shares, intended to satisfy the affirmative defense conditions of Rule 10b5-1.

View the original Form 4 on SEC EDGAR