William K. Heiden - May 31, 2023 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
Director
Signature
/s/ Jeff Kiekhofer, Attorney-in-Fact
Stock symbol
ATRA
Transactions as of
May 31, 2023
Transactions value $
$0
Form type
4
Date filed
6/2/2023, 07:08 PM
Previous filing
Jun 27, 2022
Next filing
Nov 14, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATRA Common Stock Award $0 +57K +109.62% $0.00 109K May 31, 2023 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ATRA Non-Qualified Stock Option (Right to Buy) Award $0 +79.5K $0.00 79.5K May 31, 2023 Common Stock 79.5K $1.53 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These restricted stock units shall vest on the earlier of May 31, 2024 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.
F2 The option shall vest on the earlier of May 31, 2024 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney