BIO-TECHNE Corp — Director's Dealing 2012

Feb 8, 2012

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: ChemoCentryx, Inc. (CCXI)
CIK: 0001340652
Period of Report: 2012-02-08

Reporting Person: TECHNE CORP /MN/ (10% Owner)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Series A Preferred Stock	$		Common Stock (2500000)		Direct
Series B Preferred Stock	$		Common Stock (973418)		Direct
Series C Preferred Stock	$		Common Stock (611574)		Direct
Series D Preferred Stock	$		Common Stock (628574)		Direct
Convertible Promissory Note	$		Common Stock (1021490)		Direct

Footnotes

F1: The Issuer's Preferred Stock has no expiration date, is convertible at any time, in whole or in part, at the election of the holder, and will automatically convert upon the closing of the Issuer's initial public offering (the "IPO") 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.

F2: The principal amount of the Convertible Promissory Note, plus accrued interest thereon, will automatically convert into shares of Common Stock upon the closing of the IPO at a conversion price of $10.00 per share, the per share amount of the Common Stock being sold in the IPO.

F3: Assumes the IPO closing will occur on or about February 13, 2012.