Philip T Gianos Form 3 Eiger BioPharmaceuticals / Keval Desai ownership change

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

OMB APPROVAL

OMB Number:	3235-0104
Estimated average burden
hours per response:	0.5

1. Name and Address of Reporting Person^*

INTERWEST PARTNERS X LP

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/22/2016

3. Issuer Name and Ticker or Trading Symbol
Eiger BioPharmaceuticals, Inc. [ EIGR ]

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)
Common Stock	1,599,593	D(1)

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

INTERWEST PARTNERS X LP

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

InterWest Management Partners X, LLC

(Last) (First) (Middle)

2710 SAND HILL ROAD

SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

CLEVELAND BRUCE A

(Last) (First) (Middle)

2710 SAND HILL ROAD,

SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

GIANOS PHILIP T

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Holmes W Stephen

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Kliman Gilbert H

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

ORONSKY ARNOLD L

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Desai Keval

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

NASR KHALED

(Last) (First) (Middle)

2710 SAND HILL ROAD, SECOND FLOOR

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

Explanation of Responses:

1. The shares are owned by InterWest Partners X, LP ("IW10"). InterWest Management Partners X, LLC ("IMP10") is the general partner of IW10. Bruce A. Cleveland, Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman and Arnold L. Oronsky are managing directors of IMP10. Keval Desai and Khaled A. Nasr are venture members of IMP10. Each managing director and venture member of IMP10 disclaims beneficial ownership of such shares, except to the extent of his or her pecuniary interest therein.

Remarks:

	/s/ Arnold L. Oronsky, Managing Director of InterWest Management Partners X, LLC	03/22/2016
	/s/ Arnold L. Oronsky, Managing Director of InterWest Management Partners X, LLC, the General Partner of InterWest Partners X, LP	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for Bruce A. Cleveland	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for Philip T. Gianos	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for W. Stephen Holmes	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for Gilbert H. Kliman	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for Arnold L. Oronsky	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for Keval Desai	03/22/2016
	/s/ Karen A. Wilson, Attorney-in-Fact for Khaled A. Nasr	03/22/2016
	** 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 Number.