Pascal Touchon - Aug 12, 2024 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Signature
/s/ John Chao, Attorney-in-Fact for Pascal Touchon
Stock symbol
ATRA
Transactions as of
Aug 12, 2024
Transactions value $
$0
Form type
4
Date filed
8/14/2024, 06:00 PM
Previous filing
May 20, 2024
Next filing
Aug 20, 2024

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 Employee Stock Option (Right to Buy) Disposed to Issuer $0 -9K -100% $0.00* 0 Aug 12, 2024 Common Stock 9K $510.75 Direct F1, F4
transaction ATRA Employee Stock Option (Right to Buy) Disposed to Issuer $0 -9.68K -100% $0.00* 0 Aug 12, 2024 Common Stock 9.68K $303.75 Direct F2, F4
transaction ATRA Employee Stock Option (Right to Buy) Disposed to Issuer $0 -7.08K -100% $0.00* 0 Aug 12, 2024 Common Stock 7.08K $427.63 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the shares subject to the option vested on June 24, 2020, and the remaining shares vested in equal monthly installments over the following 36 months.
F2 1/48th of the shares subject to the stock option vested and became exercisable each month with the initial installment vesting on April 1, 2020, subject to the reporting person's continuous service.
F3 1/48th of the shares subject to the stock option vested and became exercisable each month with the initial installment vesting on April 1, 2021, subject to the reporting person's continuous service.
F4 This option was cancelled by mutual agreement of the Issuer and the reporting person, in exchange for which cancellation the reporting person will receive a total cash payment of $100 as consideration.