FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response...
0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

MCGRATH JOHN
2. Issuer Name and Ticker or Trading Symbol

Atara Biotherapeutics, Inc. [ ATRA ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
EVP & Chief Financial Officer
(Last)          (First)          (Middle)

611 GATEWAY BOULEVARD, SUITE 900
3. Date of Earliest Transaction (MM/DD/YYYY)

8/15/2017
(Street)

SOUTH SAN FRANCISCO, CA 94080
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   8/15/2017     M    7697   A $0.00   (1) 125157   D    
Common Stock   8/15/2017     S (2)    2100   D $14.23   (3) 123057   D    
Common Stock   8/16/2017     S (2)    2100   D $14.39   (4) 120957   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units     (5) 8/15/2017     M         7697      (6)   (7) Common Stock   7697   $0.00   12829   I   See Footnote   (8)

Explanation of Responses:
(1)  Shares issued upon settlement of vested restricted stock units ("RSUs").
(2)  Transaction pursuant to Rule 10b5-1 Plan adopted July 6, 2016.
(3)  The price in Column 4 is a weighted average sale price. The prices actually received ranged from $14.20 to $14.275. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(4)  The price in Column 4 is a weighted average sale price. The prices actually received ranged from $14.05 to $14.60. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
(5)  Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock or a cash settlement.
(6)  The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. The liquidity event-based condition was satisfied upon the closing of the Issuer's initial public offering (the "IPO"). The shares that vested on the closing date of the IPO, and the shares that vested thereafter through May 15, 2015, were settled on May 15, 2015. The service-based vesting condition provides that 25% of the total number of shares on January 6, 2015 and 1/48th of the total number of shares monthly thereafter, subject to the holder's continuous service through each such date.
(7)  The earlier of (i) December 12, 2020 or (ii) the recipient's termination date.
(8)  The shares are held by the David B. Horowitz and John McGrath Jr. Revocable Living Trust dated 6/3/11, of which the Reporting Person is trustee.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MCGRATH JOHN
611 GATEWAY BOULEVARD
SUITE 900
SOUTH SAN FRANCISCO, CA 94080


EVP & Chief Financial Officer

Signatures
/s/ Tina Gullotta, Attorney-in-Fact for John F. McGrath, Jr. 8/17/2017
** 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 4(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 control number.
Atara Biotherapeutics (NASDAQ:ATRA)
Historical Stock Chart
From Feb 2024 to Mar 2024 Click Here for more Atara Biotherapeutics Charts.
Atara Biotherapeutics (NASDAQ:ATRA)
Historical Stock Chart
From Mar 2023 to Mar 2024 Click Here for more Atara Biotherapeutics Charts.