SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* ALTA BIOPHARMA PARTNERS III LP (Last) (First) (Middle) ONE EMBARCADERO CENTER, 37TH FLOOR (Street) SAN FRANCISCO CA 94111 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol CHIMERIX INC [ CMRX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) Stockholder
	3. Date of Earliest Transaction (Month/Day/Year) 04/16/2013
	4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	04/16/2013		C		826,474	A	(1)	826,474	I(2)	See Footnote(2)
Common Stock	04/16/2013		C		688,729	A	(3)	1,515,203	I(2)	See Footnote(2)
Common Stock	04/16/2013		C		550,982	A	(4)	2,161,829(5)	I(2)	See Footnote(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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 D Preferred Stock	(1)	04/16/2012		C			2,933,986	(1)	(1)	Common Stock	826,474	$0.00	0	I(2)	See Footnote(2)
Series E Preferred Stock	(3)	04/16/2012		C			2,444,990	(3)	(3)	Common Stock	688,729	$0.00	0	I(2)	See Footnote(2)
Series F Preferred Stock	(4)	04/16/2012		C			1,955,991	(4)	(4)	Common Stock	550,982	$0.00	0	I(2)	See Footnote(2)

1. Name and Address of Reporting Person* ALTA BIOPHARMA PARTNERS III LP (Last) (First) (Middle) ONE EMBARCADERO CENTER, 37TH FLOOR (Street) SAN FRANCISCO CA 94111 (City) (State) (Zip)

1. Name and Address of Reporting Person* ALTA BIOPHARMA PARTNERS III GMBH & CO BETEILIGUNGS KG (Last) (First) (Middle) ONE EMBARCADERO CENTER, 37TH FLOOR (Street) SAN FRANCISCO CA 94111 (City) (State) (Zip)

1. Name and Address of Reporting Person* ALTA EMBARCADERO BIOPHARMA PARTNERS III LLC (Last) (First) (Middle) ONE EMBARCADERO CENTER, 37TH FLOOR (Street) SAN FRANCISCO CA 94111 (City) (State) (Zip)

Explanation of Responses:

1. Upon the closing of the Issuer's initial public offering, every 3.55 shares of Series D Preferred Stock automatically converted into 1 share of Common Stock for no additional consideration and had no expiration date.

2. See attached Exhibit 99.1

3. Upon the closing of the Issuer's initial public offering, every 3.55 shares of Series E Preferred Stock automatically converted into 1 share of Common Stock for no additional consideration and had no expiration date.

4. Upon the closing of the Issuer's initial public offering, every 3.55 shares of Series F Preferred Stock automatically converted into 1 share of Common Stock for no additional consideration and had no expiration date.

5. Includes an aggregate of 95,644 shares issued as payment of accrued dividends on the Series F Preferred Stock held as follows: 87,602 shares held by Alta Biopharma Partners III, L.P., 5,883 shares held by Alta Biopharma Partners III GmbH & Co. Beteiligungs KG and 2,159 shares held by Alta Embarcadero Biopharma Partners III, LLC.

	See Signatures Included in Exhibit 99.2	04/16/2013
	** 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 Number.

Exhibit 99.1

 

 

(2) The shares of Common Stock issuable upon conversion of the Preferred Stock are held as follows: 1,892,453 shares of common stock held by Alta Biopharma Partners III, L.P., 127,095 shares of common stock held by Alta Biopharma Partners III GmbH & Co. Beteiligungs KG and 46,637 shares of common stock held by Alta Embarcadero Biopharma Partners III, LLC (collectively, the Alta Shares). Alta Partners III, Inc. provides investment advisory services to Alta Biopharma Partners III, L.P., Alta Biopharma Partners III GmbH & Co. Beteiligungs KG and Alta Embarcadero Biopharma Partners III, LLC (collectively, the Alta Funds). The directors of Alta Biopharma Management III, LLC, which is a general partner of Alta Biopharma Partners III, L.P., the managing limited partner of Alta Biopharma Partners III GmbH & Co. Beteiligungs KG, and the manager of Alta Embarcadero Biopharma Partners III, LLC, exercise sole dispositive and voting power over the securities owned by the Alta Funds. Farah Champsi, one of the Issuer’s directors, Edward Penhoet and Edward Hurwitz, are directors of Alta Biopharma Management III, LLC and managers of Alta Embarcadero Biopharma Partners III, LLC. These individuals may be deemed to share dispositive and voting power over the securities held by the Alta Funds. Each of these individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein.

 

Exhibit 99.2

 

Signature of Reporting Persons:

 

This statement on Form 4 is filed by Alta Biopharma Partners III, L.P., Alta Biopharma Partners III GmbH & Co. Beteiligungs KG and Alta Embarcadero Biopharma Partners III, LLC. The principal business address of each of the reporting persons is c/o Alta Biopharma Partners III, L.P., One Embarcadero Center, 37^th Floor, San Francisco, CA 94111. The reporting entities disclaim beneficial ownership of the securities listed herein except to the extent of their pecuniary interest therein.

 

Alta Biopharma Partners III, L.P.
By:	Alta Biopharma Management III, LLC
By:	/s/ Hilary Strain
Name:	Hilary Strain
Title:	Chief Financial Officer
Alta Biopharma Partners III GmbH & Co. Beteiligungs KG
By:	Alta Biopharma Management III, LLC
By:	/s/ Hilary Strain
Name:	Hilary Strain
Title:	Chief Financial Officer
Alta Embarcadero Biopharma Partners III, LLC
By:	/s/ Hilary Strain
Name:	Hilary Strain
Title:	Chief Financial Officer