SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Banard Charlene A.

(Last)

(First)

(Middle)

C/O ATARA BIOTHERAPEUTICS, INC.

2380 CONEJO SPECTRUM STREET, SUITE 200

(Street)

THOUSAND OAKS

91320

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/14/2022

3. Issuer Name and Ticker or Trading Symbol
Atara Biotherapeutics, Inc. [ ATRA ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
EVP, Chief Technical Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	155,350⁽¹⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (Right to Buy)	⁽²⁾	04/24/2032	Common Stock	292,023	7.29	D

Explanation of Responses:

1. 25% of the shares subject to these restricted stock units ("RSUs") vest on May 15, 2023, and 1/16th of the total number of shares subject to the RSUs vest on each of the next 12 Quarterly Vesting Dates (as defined herein), subject to the reporting person's continuous service. "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.

2. 25% of the shares subject to the option vest on April 25, 2023, and the remaining shares vest in equal monthly installments over the following 36 months, subject to the reporting person's continuous service.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Jeff Kiekhofer, Attorney-in-Fact for Charlene A. Banard	12/16/2022
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.