November 17, 2025 · Form 4 insider transaction
Nguyen AnhCo sold 2,859 shares of Atara Biotherapeutics Inc at $13.19 per share, a transaction worth $37.7K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Shares sold automatically to satisfy tax withholding obligations in connection with the vesting of previously granted restricted stock units, pursuant to a sale-to-cover provision in the award agreement.; The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on November 17, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.