BOESS CARSTEN bought RNA

February 27, 2026 · Form 4 insider transaction

BOESS CARSTEN bought 20,000 shares of Atrium 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 3 days after the transaction.

Direction
Acquired (buy-side)
Shares
20,000
Price
$0.00
Total value
N/A
RoleDirector
SecurityStock Option (Right to Buy)
Transaction codeA: Grant or award
Transaction dateFebruary 27, 2026
Filing dateMarch 2, 2026
Shares owned after20,000
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The options were granted on February 27, 2026 and the shares underlying the options vest in equal monthly installments over the three years following the grant date, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

View the original Form 4 on SEC EDGAR