Nguyen AnhCo sold ATRA

May 18, 2026 · Form 4 insider transaction

Nguyen AnhCo sold 5,241 shares of Atara Biotherapeutics, Inc. at $9.13 per share, a transaction worth $47.8K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
5,241
Price
$9.13
Total value
$47.8K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after137,837
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.; Represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $9.12 to $9.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

View the original Form 4 on SEC EDGAR