Jill Henrich - Aug 16, 2024 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
EVP, Global Head RA & Quality
Signature
/s/ John Chao, Attorney-in-Fact for Jill Henrich
Stock symbol
ATRA
Transactions as of
Aug 16, 2024
Transactions value $
-$6,384
Form type
4
Date filed
8/20/2024, 06:26 PM
Previous filing
May 20, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATRA Common Stock Sale -$5.51K -831 -3.89% $6.63 20.5K Aug 16, 2024 Direct F1, F2, F3
transaction ATRA Common Stock Sale -$875 -132 -0.64% $6.63 20.4K Aug 16, 2024 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, 2024 and August 19, 2024 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
F3 This amount includes 4,284 shares purchased under the Issuer's Employee Stock Purchase Plan on May 31, 2024, and reflects the 1:25 reverse stock split effected by the Issuer on June 20, 2024.