Utpal Koppikar - 17 Aug 2021 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
Chief Financial Officer
Signature
/s/ Nimit Arora, Attorney-in-Fact for Utpal Koppikar
Issuer symbol
ATRA
Transactions as of
17 Aug 2021
Net transactions value
-$44,852
Form type
4
Filing time
19 Aug 2021, 19:34:34 UTC
Previous filing
12 Jul 2021
Next filing
18 Nov 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATRA Common Stock Sale $44,852 -3,579 -2.2% $12.53* 161,369 17 Aug 2021 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 August 17, 2021 and August 18, 2021 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.