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
	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* Canaan VII L P (Last) (First) (Middle) 285 RIVERSIDE AVENUE, SUITE 250 (Street) WESTPORT CT 06880 (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 X 10% Owner Officer (give title below) Other (specify below)
	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		1,227,314	A	(1)	1,227,314	I	See Footnote(2)
Common Stock	04/16/2013		C		826,474	A	(3)	2,053,788	I	See Footnote(2)
Common Stock	04/16/2013		C		847,136	A	(4)	3,047,978(5)	I	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			4,356,968	(1)	(1)	Common Stock	1,227,314	$0.00	0	I	See Footnote(2)
Series E Preferred Stock	(3)	04/16/2012		C			2,933,986	(3)	(3)	Common Stock	826,474	$0.00	0	I	See Footnote(2)
Series F Preferred Stock	(4)	04/16/2012		C			3,007,335	(4)	(4)	Common Stock	847,136	$0.00	0	I	See Footnote(2)

1. Name and Address of Reporting Person* Canaan VII L P (Last) (First) (Middle) 285 RIVERSIDE AVENUE, SUITE 250 (Street) WESTPORT CT 06880 (City) (State) (Zip)

1. Name and Address of Reporting Person* Canaan Partners VII LLC (Last) (First) (Middle) 285 RIVERSIDE AVENUE, SUITE 250 (Street) WESTPORT CT 06880 (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. Canaan Partners VII LLC (Canaan VII) is the sole General Partner of Canaan VII L.P. (together with Canaan VII, the "Canaan Entities") and each may be deemed to have sole voting and investment power over the securities held by the Reporting Person. Wende S. Hutton, a manager of Canaan VII, serves as the representative of the Canaan Entities on the Issuer's board of directors.

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 147,054 shares issued as payment of accrued dividends on the Series F Preferred Stock.

	Canaan VII L.P., By: Canaan Partners VII LLC, its general partner, By: /s/ Jaime Slocum, Attorney-in-Fact	04/16/2013
	By: Canaan Partners VII LLC, By: /s/ Jaime Slocum, Attorney-in-Fact	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).
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