Joe Newell - 18 May 2021 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
Chief Operations Officer
Signature
/s/ David Tucker, Attorney-in-Fact for Joe Newell
Issuer symbol
ATRA
Transactions as of
18 May 2021
Transactions value $
-$35,691
Form type
4
Filing time
20 May 2021, 16:33:37 UTC
Previous filing
17 May 2021
Next filing
19 Aug 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 -$35.7K -2.45K -1.87% $14.55* 129K 18 May 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 May 18, 2021 and May 19, 2021 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.