Amar Murugan - 16 May 2023 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Signature
/s/ Jeff Kiekhofer, Attorney-in-Fact for Amar Murugan
Issuer symbol
ATRA
Transactions as of
16 May 2023
Net transactions value
-$17,089
Form type
4
Filing time
18 May 2023, 20:17:23 UTC
Previous filing
06 Mar 2023
Next filing
18 Aug 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATRA Common Stock Sale $15,082 -7,404 -2.7% $2.04 271,930 16 May 2023 Direct F1, F2
transaction ATRA Common Stock Sale $2,007 -985 -0.36% $2.04 270,945 16 May 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 May 16, 2023 and May 17, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.