Jill Henrich - Jun 1, 2023 Form 3 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Role
EVP, Global Head RA & Quality
Signature
/s/ Jeff Kiekhofer, Attorney-in-Fact for Jill Henrich
Stock symbol
ATRA
Transactions as of
Jun 1, 2023
Transactions value $
$0
Form type
3
Date filed
6/9/2023, 04:30 PM
Next filing
Aug 18, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ATRA Common Stock 111K Jun 1, 2023 Direct F1, F2

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
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 40K $13.46 Direct
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 20K $13.46 Direct F3
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 19.4K $17.11 Direct
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 15.1K $17.11 Direct F4
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 16.6K $10.21 Direct
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 36.5K $10.21 Direct F5
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 7.87K $3.91 Direct
holding ATRA Employee Stock Option (Right to Buy) Jun 1, 2023 Common Stock 86.6K $3.91 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes an aggregate 79,169 restricted stock units ("RSUs"), which are comprised of: (i) 11,256 RSUs that vest as to 1/6th of shares on August 15, 2023, and each of the next five (5) Quarterly Vesting Dates (as defined herein); (ii) 10,008 RSUs that vest as to 1/7th of shares on August 15, 2023 and each of the next six (6) Quarterly Vesting Dates; (iii) 19,432 RSUs that vest as to 1/11th of shares on August 15, 2023 and each of the next ten (10) Quarterly Vesting Dates; and (iv) 38,473 RSUs that vest as to 1/11th of shares on August 15, 2023 and each of the next ten (10) Quarterly Vesting Dates, each of which is subject to the reporting person's continuous service.
F2 "Quarterly Vesting Date" means March 1, May 15, August 15, and November 15 of each year, provided that if such date falls on a weekend or holiday, the "Quarterly Vesting Date" shall be the first (1st) business day after such date.
F3 1/16th of shares subject to the stock option vest and become exercisable on June 8, 2023, and the remaining shares vest in equal monthly installments over the following fifteen (15) months, subject to the reporting person's continuous service.
F4 1/21st of shares subject to the stock option vest and become exercisable on July 1, 2023, and the remaining shares vest in equal monthly installments over the following twenty (20) months, subject to the reporting person's continuous service.
F5 1/33rd of shares subject to the stock option vest and become exercisable on July 1, 2023, and the remaining shares vest in equal monthly installments over the following thirty-two (32) months, subject to the reporting person's continuous service.

Remarks:

Exhibit 24 - Power of Attorney