AnhCo Nguyen - Aug 16, 2023 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
EVP, Chief Sci. & Tech Officer
Signature
/s/ Jeff Kiekhofer, Attorney-in-Fact for AnhCo Nguyen
Stock symbol
ATRA
Transactions as of
Aug 16, 2023
Transactions value $
-$24,997
Form type
4
Date filed
8/18/2023, 06:25 PM
Previous filing
Jun 9, 2023
Next filing
Nov 20, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATRA Common Stock Sale -$9.66K -5.85K -1.94% $1.65 295K Aug 16, 2023 Direct F1, F2
transaction ATRA Common Stock Sale -$15.3K -9.28K -3.14% $1.65 286K Aug 16, 2023 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on August 16, 2023 and August 17, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.