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^*

MAYFIELD IX

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/26/2005

3. Issuer Name and Ticker or Trading Symbol
SUNESIS PHARMACEUTICALS INC [ SNSS ]

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

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

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

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)

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)
Series A Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	2,945,000	$0	D⁽¹⁾⁽²⁾
Series B Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	1,096,153	$0	D⁽¹⁾⁽²⁾
Series C Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	593,750	$0	D⁽¹⁾⁽²⁾
Series A Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	155,000	$0	I⁽¹⁾⁽²⁾	by MF AIII
Series B Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	57,693	$0	I⁽¹⁾⁽²⁾	by MF AIII
Series C Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	31,250	$0	I⁽¹⁾⁽²⁾	by MF AIII

1. Name and Address of Reporting Person^*

MAYFIELD IX

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

MAYFIELD IX MANAGEMENT LLC

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

MAYFIELD VIII MANAGEMENT LLC

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

MAYFIELD ASSOCIATES FUND III L P

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

UNGER WILLIAM D

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

AUKEN WENDELL G VAN III

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

FONG KEVIN A

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

MYERS FRANK G JR

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

DALAL YOGEN K

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

1. Name and Address of Reporting Person^*

HEIDRICH A GRANT III

(Last)

(First)

(Middle)

2800 SAND HILL ROAD

SUITE 250

(Street)

MENLO PARK

94025

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Explanation of Responses

Explanation of Responses:

1. The individual Reporting Persons are Managing Directors of Mayfield IX Management, LLC, the sole General Partner of Mayfield IX (MF IX), and they are also Managing Directors of Mayfield VIII Management, LLC, the sole General Partner of Mayfield Associates Fund III (MF AIII). The individual Reporting Persons may be deemed to have shared voting and dispositive power over the shares which are or may be deemed to be beneficially owned by MF IX and MF AIII, but disclaim such beneficial ownership, except to the extent of their pecuniary interest therein.

2. The filing of this statement shall not be deemed an admission that, for the purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of all such equity securities covered by this statement. Each of the Reporting Persons included in this filing hereby designates Mayfield IX as its designated filer of Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder.

3. Upon completion of the initial public offering, all Preferred Stock held by MF IX will be converted to a cumulative total of 1,166,695 shares of Common Stock, and all Preferred Stock held by MF AIII will be converted to a cumulative total of 61,405 shares of Common Stock.

Remarks:

	James T. Beck, Attorney-In-Fact for each of the Reporting Persons	09/26/2005
	** 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.
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