Nguyen AnhCo sold ATRA
August 17, 2026 · Form 4 insider transaction
Nguyen AnhCo sold 5,062 shares of Atara Biotherapeutics, Inc. at $8.08 per share, a transaction worth $40.9K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 9 days after the transaction.
Direction
Disposed (sell-side)
Shares
5,062
Price
$8.08
Total value
$40.9K
InsiderNguyen AnhCo
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 17, 2026
Filing dateAugust 26, 2026
Shares owned after132,775
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
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 August 17, 2026, on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.