June 30, 2025 · Form 4 insider transaction
GILL DAVID N bought 33,450 shares of YMAB 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 2 days after the transaction.
Stock options granted to the Reporting Person pursuant to the Issuer's 2018 Equity Incentive Plan.; The stock options vest in equal monthly installments until the first anniversary of the date of grant, subject to the Reporting Person's continued service to the Issuer on each vesting date, and are exercisable immediately upon vesting.