FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Sanderling Venture Partners V, LP   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) (Last) (First) (Middle) 400 SOUTH EL CAMINO REAL, SUITE 1200 3. Date of Earliest Transaction (Month/Day/Year) 04/16/2013 (Street) SAN MATEO, CA 94402 4. If Amendment, Date Original Filed(Month/Day/Year) 04/16/2013 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) 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   792,037 A (1) 4,255,826 (2) I SEE FOOTNOTE (3)

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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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Sanderling Venture Partners V, LP 400 SOUTH EL CAMINO REAL SUITE 1200 SAN MATEO, CA 94402		X
SANDERLING V BIOMEDICAL LP 400 SOUTH EL CAMINO REAL SUITE 1200 SAN MATEO, CA 94402		X
SANDERLING V LTD PARTNERSHIP 400 SOUTH EL CAMINO REAL STE 1200 SAN MATEO, CA 94402-1708		X
SANDERLING V BETEILIGUNGS GMBH & CO KG 400 SOUTH EL CAMINO REAL STE 1200 SAN MATEO, CA 94402-1708		X
SANDERLING VENTURES MANAGEMENT V 400 SOUTH EL CAMINO REAL STE 1200 SAN MATEO, CA 94402-1708		X
SANDERLING V BIOMEDICAL CO INVESTMENT FUND LP 400 S EL CAMINO REAL STE 1200 SAN MATEO, CA 94402-1708		X
Sanderling Venture Partners V Co Investment Fund, LP 400 SOUTH EL CAMINO REAL SUITE 1200 SAN MATEO, CA 94402		X
Sanderling V Strategic Exit Fund LP 400 S. EL CAMINO REAL SUITE 1200 SAN MATEO, CA 94402		X
Sanderling Venture Partners VI Co Investment Fund LP 400 SOUTH EL CAMINO REAL STE 1200 SAN MATEO, CA 94402-1708		X
Sanderling VI Beteiligungs GmbH & Co KG 400 S. EL CAMINO REAL, SUITE 1200 SAN MATEO, CA 94402		X

Signatures

See Signatures Included in Exhibit 99.2		05/28/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	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.
(2)	Amends the amount of securities beneficially owned following reported transactions which was understated by 112,674 shares in the original filing.
(3)	See attached Exhibit 99.1
Remarks: Form 4 filing 1 of 2. See Form 4 filing 2 of 2 for additional members of this joint filing.

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