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 *

COLUMN GROUP II, LP 		2. Issuer Name and Ticker or Trading Symbol

Gritstone Oncology, Inc. [ GRTS ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

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

1700 OWENS STREET, SUITE 500 		3. Date of Earliest Transaction (MM/DD/YYYY)

10/2/2018
(Street)

SAN FRANCISCO, CA 94158
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

___ Form filed by One Reporting Person
_ X _ 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   10/2/2018     C    3102934   A   (1) (2) 3102934   D   (3)  

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
Series A Convertible Preferred Stock     (1) 10/2/2018     C         2173912      (1)   (1) Common Stock   2173912   $0   0   D   (3)  
Series B Convertible Preferred Stock     (2) 10/2/2018     C         929022      (2)   (2) Common Stock   929022   $0   0   D   (3)  

Explanation of Responses:
(1)  The Series A Convertible Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.
(2)  The Series B Convertible Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.
(3)  The shares are directly held by The Column Group II, LP and indirectly held by The Column Group II GP, LP, the general partner of The Column Group II, LP. The managing partners of The Column Group II GP, LP are David Goeddel and Peter Svennilson. The managing partners of The Column Group II GP, LP may be deemed to have shared voting and investment power with respect to the shares. Each individual managing partner disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
COLUMN GROUP II, LP
1700 OWENS STREET
SUITE 500
SAN FRANCISCO, CA 94158
X

Column Group II GP, LP
1700 OWENS STREET
SUITE 500
SAN FRANCISCO, CA 94158
X
General Partner
Svennilson Peter
1700 OWENS STREET
SUITE 500
SAN FRANCISCO, CA 94158 		X X

GOEDDEL DAVID V
COLUMN GROUP
1700 OWENS STREET, SUITE 500
SAN FRANCISCO, CA 94158


Managing Partner

Signatures
/s/ Jennifer J. Carlson, Attorney-in-Fact 10/2/2018
** 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.
Gritstone bio (NASDAQ:GRTS)
Historical Stock Chart
From Jun 2024 to Jul 2024 Click Here for more Gritstone bio Charts.
Gritstone bio (NASDAQ:GRTS)
Historical Stock Chart
From Jul 2023 to Jul 2024 Click Here for more Gritstone bio Charts.