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 * TECHNE CORP /MN/   2. Issuer Name and Ticker or Trading Symbol ChemoCentryx, Inc. [CCXI] 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) 614 MCKINLEY PLACE NE 3. Date of Earliest Transaction (Month/Day/Year) 02/13/2012 (Street) MINNEAPOLIS, MN 55413 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ 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 02/13/2012   C   4,713,566 A (1) 4,713,566 D   Common Stock 02/13/2012   C   1,021,490 A (2) 5,735,056 D   Common Stock 02/13/2012   P   500,000 A $ 10 6,235,056 D

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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
Series A Preferred Stock	(1)	02/13/2012		C			5,000,000	(1)	(1)	Common Stock	2,500,000	(1)	0	D
Series B Preferred Stock	(1)	02/13/2012		C			1,946,836	(1)	(1)	Common Stock	973,418	(1)	0	D
Series C Preferred Stock	(1)	02/13/2012		C			1,223,148	(1)	(1)	Common Stock	611,574	(1)	0	D
Series D Preferred Stock	(1)	02/13/2012		C			1,257,149	(1)	(1)	Common Stock	628,574	(1)	0	D
Convertible Promissory Note	(2)	02/13/2012		C			$ 10,214,900	(2)	(2)	Common Stock	1,021,490	(2)	0	D
Warrant	$ 20	02/13/2012		A		150,000		02/13/2012	02/12/2022	Common Stock	150,000	$ 0	150,000	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
TECHNE CORP /MN/ 614 MCKINLEY PLACE NE MINNEAPOLIS, MN 55413		X

Signatures

Thomas E Oland, CEO		02/14/2012
**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)	The Issuer's Preferred Stock, which had no expiration date, automatically converted to Common Stock at the closing of the Issuer's initial public offering ("IPO") on February 13, 2012 at a conversion ratio of one share of Common Stock for every two shares of Preferred Stock rounded down to the next whole number, for no additional consideration.
(2)	The principal amount of the Convertible Promissory Note, plus accrued interest, automatically converted upon the closing of the IPO at a conversion price of $10.00 per share.

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