Utpal Koppikar - May 17, 2022 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
Chief Financial Officer
Signature
/s/ David Tucker, Attorney-in-Fact for Utpal Koppikar
Stock symbol
ATRA
Transactions as of
May 17, 2022
Transactions value $
-$29,675
Form type
4
Date filed
5/19/2022, 05:16 PM
Previous filing
Mar 17, 2022
Next filing
Jun 10, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATRA Common Stock Sale -$24.5K -4.62K -2.17% $5.32 209K May 17, 2022 Direct F1, F2
transaction ATRA Common Stock Sale -$5.14K -966 -0.46% $5.32 208K May 17, 2022 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 pursuant to a 10b5-1 arrangement to satisfy tax obligations in connection with the vesting of previously granted restricted stock units.
F2 The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on May 17, 2022 and May 18, 2022 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.