Initial Statement of Beneficial Ownership (3)

Date : 07/01/2019 @ 8:08PM
Source : Edgar (US Regulatory)
Stock : Calithera Biosciences Inc (CALA)
Quote : 3.49  0.12 (3.56%) @ 12:59AM
After Hours
Last Trade
Last $ 3.49 ◊ 0.00 (0.00%)

Initial Statement of Beneficial Ownership (3)

FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
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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 *

BVF PARTNERS L P/IL

2. Date of Event Requiring Statement (MM/DD/YYYY)
6/19/2019 

3. Issuer Name and Ticker or Trading Symbol

Calithera Biosciences, Inc. [CALA]

(Last)        (First)        (Middle)

44 MONTGOMERY STREET, 40TH FL

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

_____ Director                            ___ X ___ 10% Owner
_____ Officer (give title below)          _____ Other (specify below)

(Street)

SAN FRANCISCO, CA 94104       

(City)              (State)              (Zip)
5. 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 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, $0.0001 par value   (1) 3288378   D   (2)  
Common Stock, $0.0001 par value   (1) 2764620   D   (3)  
Common Stock, $0.0001 par value   (1) 473006   D   (4)  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  This Form 3 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.
(2)  Securities owned directly by BVF. As the general partner of BVF, Partners may be deemed to beneficially own the securities owned directly by BVF. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF.
(3)  Securities owned directly by BVF2. As the general partner of BVF2, Partners may be deemed to beneficially own the securities owned directly by BVF2. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF2. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF2.
(4)  Securities owned directly by Trading Fund OS. As the general partner of Trading Fund OS, Partners OS may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment manager of Trading Fund OS and the sole member of Partners OS, Partners may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by Trading Fund OS. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by Trading Fund OS.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
BVF PARTNERS L P/IL
44 MONTGOMERY STREET
40TH FL
SAN FRANCISCO, CA 94104

X

BIOTECHNOLOGY VALUE FUND L P
44 MONTGOMERY STREET
40TH FL
SAN FRANCISCO, CA 94104



See Explanation of Responses
BIOTECHNOLOGY VALUE FUND II LP
44 MONTGOMERY STREET
40TH FL
SAN FRANCISCO, CA 94104



See Explanation of Responses
Biotechnology Value Trading Fund OS LP
P.O. BOX 309 UGLAND HOUSE
GRAND CAYMAN, E9 KY1-1104



See Explanation of Responses
BVF Partners OS Ltd.
P.O. BOX 309 UGLAND HOUSE
GRAND CAYMAN, E9 KY1-1104



See Explanation of Responses
BVF INC/IL
44 MONTGOMERY STREET
40TH FL
SAN FRANCISCO, CA 94104

X

LAMPERT MARK N
44 MONTGOMERY STREET
40TH FL
SAN FRANCISCO, CA 94104

X


Signatures
BVF Partners L.P., By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 7/1/2019
** Signature of Reporting Person Date

Biotechnology Value Fund, L.P., By: BVF Partners L.P., its general partner, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 7/1/2019
** Signature of Reporting Person Date

Biotechnology Value Fund II, L.P., By: BVF Partners L.P., its general partner, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 7/1/2019
** Signature of Reporting Person Date

BVF Partners OS Ltd., By: BVF Partners L.P., its sole member, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 7/1/2019
** Signature of Reporting Person Date

Biotechnology Value Trading Fund OS LP, By: BVF Partners L.P., its investment manager, BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 7/1/2019
** Signature of Reporting Person Date

BVF Inc., By: /s/ Mark N. Lampert, President 7/1/2019
** Signature of Reporting Person Date

/s/ Mark N. Lampert 7/1/2019
** 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 control number.

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