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schedule13g.htm

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)

SUNESIS PHARMACEUTICALS, INC.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

867328502

(CUSIP Number)

December 31, 2014

(Date of Event That Requires Filing of this Statement

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

ý Rule 13d-1(c)

o Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 867328502

	(1)	Names of Reporting Persons. Alta BioPharma Partners III, L.P.

	(2)	Check the Appropriate Box if a Member of a Group
		(a)		o
		(b)		x

	(3)	SEC Use Only

	(4)	Citizenship or Place of Organization Delaware

Number of Shares Beneficially Owned by Each Reporting Person With			(5)		Sole Voting Power 762,879 (a)

			(6)		Shared Voting Power -0-

			(7)		Sole Dispositive Power 762,879 (a)

			(8)		Shared Dispositive Power -0-

	(9)	Aggregate Amount Beneficially Owned by Each Reporting Person 762,879 (a)

	(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares o

	(11)	Percent of Class Represented by Amount in Row (9) 1.2% (b)

	(12)	Type of Reporting Person PN

_____________________________

(a) Alta BioPharma Partners III, L.P. (“ABPIII”) has sole voting and dispositive control over warrants to purchase 762,879 shares of common stock (“Common Stock”) of Sunesis Pharmaceuticals, Inc. (the “Issuer”), except that Alta BioPharma Management III, LLC (“ABMIII”), the general partner of ABPIII, and Farah Champsi (“Champsi”) and Edward Penhoet (“Penhoet”), directors of ABMPIII, may be deemed to share the right to direct the voting and dispositive control over such stock. Additional information about ABPIII is set forth in Attachment A hereto. The information with respect to the shares of Common Stock beneficially owned by the Reporting Person is provided as of December 31, 2014.

(b) The percentage set forth in row (11) is based on an aggregate of 61,949,147 shares of Common Stock outstanding as of October 31, 2014 as reported in the Issuer’s 10-Q filed on November 10, 2014.

CUSIP No. 867328502

	(1)	Names of Reporting Persons. Alta BioPharma Partners III GmbH & Co. Beteiligungs KG

	(2)	Check the Appropriate Box if a Member of a Group
		(a)		o
		(b)		x

	(3)	SEC Use Only

	(4)	Citizenship or Place of Organization Germany

Number of Shares Beneficially Owned by Each Reporting Person With			(5)		Sole Voting Power 51,231 (a)

			(6)		Shared Voting Power -0-

			(7)		Sole Dispositive Power 51,231 (c)

			(8)		Shared Dispositive Power -0-

	(9)	Aggregate Amount Beneficially Owned by Each Reporting Person 51,231 (c)

	(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares o

	(11)	Percent of Class Represented by Amount in Row (9) 0.1% (b)

	(12)	Type of Reporting Person PN

_____________________________
(c) Alta BioPharma Partners III GmbH & Co. Beteiligungs KG (“ABPIIIKG”) has sole voting and dispositive control over warrants to purchase 51,231 shares of Common Stock, except that Alta BioPharma Management III, LLC (“ABMIII”), the managing limited partner of ABPIIIKG, Champsi and Penhoet, directors of ABMPIII, may be deemed to share the right to direct the voting and dispositive control over such stock. Additional information about ABPIIIKG is set forth in Attachment A hereto. The information with respect to the shares of Common Stock beneficially owned by the Reporting Person is provided as of December 31, 2014.

CUSIP No. 867328502

	(1)	Names of Reporting Persons. Alta BioPharma Management III, LLC

	(2)	Check the Appropriate Box if a Member of a Group
		(a)		o
		(b)		x

	(3)	SEC Use Only

	(4)	Citizenship or Place of Organization Delaware

Number of Shares Beneficially Owned by Each Reporting Person With			(5)		Sole Voting Power -0- (a)

			(6)		Shared Voting Power 814,110 (d)

			(7)		Sole Dispositive Power -0-

			(8)		Shared Dispositive Power 814,110 (d)

	(9)	Aggregate Amount Beneficially Owned by Each Reporting Person 814,110 (d)

	(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares o

	(11)	Percent of Class Represented by Amount in Row (9) 1.3% (b)

	(12)	Type of Reporting Person OO

_____________________________
(d) ABMIII shares voting and dispositive power over warrants to purchase 762,879 shares of Common Stock beneficially owned by ABPIII and the warrants to purchase 51,231 shares of Common Stock beneficially owned by ABPIIIKG. Additional information about ABMIII is set forth in Attachment A hereto. The information with respect to the shares of Common Stock beneficially owned by the Reporting Person is provided as of December 31, 2014.

CUSIP No. 867328502

	(1)	Names of Reporting Persons. Alta Embarcadero BioPharma Partners III, LLC

	(2)	Check the Appropriate Box if a Member of a Group
		(a)		o
		(b)		x

	(3)	SEC Use Only

	(4)	Citizenship or Place of Organization California

Number of Shares Beneficially Owned by Each Reporting Person With			(5)		Sole Voting Power 18,799 (e)

			(6)		Shared Voting Power -0-

			(7)		Sole Dispositive Power 18,799 (e)

			(8)		Shared Dispositive Power -0-

	(9)	Aggregate Amount Beneficially Owned by Each Reporting Person 18,799 (e)

	(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares o

	(11)	Percent of Class Represented by Amount in Row (9) 0.1% (b)

	(12)	Type of Reporting Person OO

_____________________________
(e) Alta Embarcadero BioPharma Partners III, LLC (“AEBPIII”) has sole voting and dispositive control over warrants to purchase 18,799 shares of Common Stock, except that Champsi and Penhoet, managing directors of AEBPIII, may be deemed to share the right to direct the voting and dispositive control over such stock. Additional information about AEBPIII is set forth in Attachment A hereto. The information with respect to the shares of Common Stock beneficially owned by the Reporting Person is provided as of December 31, 2014.

CUSIP No. 867328502

	(1)	Names of Reporting Persons. Farah Champsi

	(2)	Check the Appropriate Box if a Member of a Group
		(a)		o
		(b)		x

	(3)	SEC Use Only

	(4)	Citizenship or Place of Organization United States

Number of Shares Beneficially Owned by Each Reporting Person With			(5)		Sole Voting Power -0-

			(6)		Shared Voting Power 832,909 (h)

			(7)		Sole Dispositive Power -0-

			(8)		Shared Dispositive Power 832,909 (h)

	(9)	Aggregate Amount Beneficially Owned by Each Reporting Person 832,909 (h)

	(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares o

	(11)	Percent of Class Represented by Amount in Row (9) 1.3% (b)

	(12)	Type of Reporting Person IN

_____________________________
(h) Champsi shares voting and dispositive control over the warrants to purchase 762,879 shares of Common Stock beneficially owned by ABPIII, the warrants to purchase 51,231 shares of Common Stock beneficially owned by ABPIIIKG, and the warrants to purchase 18,799 shares of Common Stock beneficially owned by AEBPIII. Additional information about Champsi is set forth in Attachment A hereto. The information with respect to the shares of Common Stock beneficially owned by the Reporting Person is provided as of December 31, 2014.

CUSIP No. 867328502

	(1)	Names of Reporting Persons. Edward Penhoet

	(2)	Check the Appropriate Box if a Member of a Group
		(a)		o
		(b)		x

	(3)	SEC Use Only

	(4)	Citizenship or Place of Organization United States

Number of Shares Beneficially Owned by Each Reporting Person With			(5)		Sole Voting Power -0-

			(6)		Shared Voting Power 832,909 (i)

			(7)		Sole Dispositive Power -0-

			(8)		Shared Dispositive Power 832,909 (i)

	(9)	Aggregate Amount Beneficially Owned by Each Reporting Person 832,909 (i)

	(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares o

	(11)	Percent of Class Represented by Amount in Row (9) 1.3% (b)

	(12)	Type of Reporting Person IN

_____________________________
(i) Penhoet shares voting and dispositive control over the warrants to purchase 762,879 shares of Common Stock beneficially owned by ABPIII, the warrants to purchase 51,231 shares of Common Stock beneficially owned by ABPIIIKG, and the warrants to purchase 18,799 shares of Common Stock beneficially owned by AEBPIII. Additional information about Penhoet is set forth in Attachment A hereto. The information with respect to the shares of Common Stock beneficially owned by the Reporting Person is provided as of December 31, 2014.

CUSIP No. 867328502
Explanatory Note:

Item 1.
	(a)	Name of Issuer: Sunesis Pharmaceuticals, Inc. (“Issuer”)
	(b)	Address of Issuer’s Principal Executive Offices: 395 Oyster Point Boulevard, Suite 400 South San Francisco, CA 94080

Item 2.
	(a)	Name of Person Filing: Alta BioPharma Partners III, L.P. (“ABPIII”) Alta BioPharma Management III, LLC (“ABMIII”) Alta BioPharma Partners III GmbH & Co. Beteiligungs KG (“ABPIIIKG”) Alta Embarcadero BioPharma Partners III, LLC (“AEBPIII”) Farah Champsi (“FC”) Edward Penhoet (“EP”)
	(b)	Address of Principal Business Office: One Embarcadero Center, Suite 3700 San Francisco, CA 94111
	(c)	Citizenship/Place of Organization:
		Entities:	ABPIII	Delaware
			ABMIII	Delaware
			ABPIIIKG	Germany
			AEBPIII	California


		Individuals:	FC	United States
			EP	United States

	(d)	Title of Class of Securities: Common Stock
	(e)	CUSIP Number: 867328502

CUSIP No. 867328502

Item 3	Not applicable.
Item 4	Ownership.

The following beneficial ownership information is provided as of December 31, 2014.

Please see Attachment A

Fund Entities	Shares Held Directly	Sole Voting Power	Shared Voting Power	Sole Dispositive Power	Shared Dispositive Power	Beneficial Ownership	Percentage of Class (2)

ABPIII	762,879	0	762,879	0	762,879	762,879	1.2%

ABMIII	0	0	814,110	0	814,110	814,110	1.3%

ABPIIIKG	51,231	0	51,231	0	51,231	51,231	0.1%

AEPBIII	18,799	0	18,799	0	18,799	18,799	0.1%

FC	0	0	832,909	0	832,909	832,909	1.3%

EP	0	0	832,909	0	832,909	832,909	1.3%

Item 5.	Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following x

Item 6.	Ownership of More than Five Percent on Behalf of Another Person
Not applicable.

Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.
Not applicable.

Item 8.	Identification and Classification of Members of the Group
No reporting person is a member of a group as defined in Section 240.13d-1(b)(1)(ii)(H) of the Act.

Item 9.	Notice of Dissolution of Group
Not applicable.
Item 10.	Certification
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect

EXHIBITS

A: Joint Filing Statement

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date:	February 12, 2015


ALTA BIOPHARMA PARTNERS III, L.P.		ALTA BIOPHARMA MANAGEMENT III, LLC
By: Alta BioPharma Management III, LLC


By:	/s/ Farah Champsi	By:	/s/ Farah Champsi
	Farah Champsi, Director		Farah Champsi, Director


ALTA EMBARCADERO BIOPHARMA PARTNERS III, LLC		ALTA BIOPHARMA PARTNERS III GMBH &CO. BETEILIGUNGS KG
		By: Alta BioPharma Management III, LLC


By:	/s/ Farah Champsi		/s/ Farah Champsi
	Farah Champsi, Manager		Farah Champsi, Director


	/s/ Farah Champsi
	Farah Champsi


	/s/ Edward Penhoet
	Edward Penhoet

EXHIBIT A

AGREEMENT OF JOINT FILING

We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of us.

Date:	February 12, 2015


ALTA BIOPHARMA PARTNERS III, L.P.		ALTA BIOPHARMA MANAGEMENT III, LLC
By: Alta BioPharma Management III, LLC


By:	/s/ Farah Champsi	By:	/s/ Farah Champsi
	Farah Champsi, Director		Farah Champsi, Director


ALTA EMBARCADERO BIOPHARMA PARTNERS III, LLC		ALTA BIOPHARMA PARTNERS III GMBH &CO. BETEILIGUNGS KG
		By: Alta BioPharma Management III, LLC


By:	/s/ Farah Champsi		/s/ Farah Champsi
	Farah Champsi, Manager		Farah Champsi, Director


	/s/ Farah Champsi
	Farah Champsi


	/s/ Edward Penhoet
	Edward Penhoet

Attachment A

Alta BioPharma Partners III, L.P. beneficially owns warrants to purchase 762,879 shares of Common Stock and exercises sole voting and dispositive control over such shares, except to the extent set forth below.

Alta BioPharma Partners III GmbH & Co. Beteiligungs KG beneficially owns warrants to purchase 51,231 shares of Common Stock and exercises sole voting and dispositive control over such shares, except to the extent set forth below.

Alta Embarcadero BioPharma Partners III, LLC beneficially owns warrants to purchase 18,799 shares of Common Stock and exercises sole voting and dispositive control over such shares, except to the extent set forth below.

Alta BioPharma Management III, LLC is the general partner of Alta BioPharma Partners III, L.P. and the managing limited partner of Alta BioPharma Partners III GmbH & Co. Beteiligungs KG and may be deemed to share the right to direct the voting and dispositive control over the shares held by such fund.

Ms. Farah Champsi is a director of Alta BioPharma Management III, LLC, and a manager of Alta Embarcadero BioPharma Partners III, LLC. She may be deemed to share the right to direct the voting and dispositive control over the shares held by such funds.

Mr. Edward Penhoet is a director of Alta BioPharma Management III, LLC, and a manager of Alta Embarcadero BioPharma Partners III, LLC. He may be deemed to share the right to direct the voting and dispositive control over the shares held by such funds.