Capital Stock

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Capital Stock

Capital Stock

Exercise of options

For the nine months ended September 30, 2014, 136,796 shares were exercised at a weighted-average exercise price of $1.34 per share, for total cash proceeds of less than $0.2 million.

Warrants

Codexis' outstanding warrants are exercisable for common stock at any time during their respective terms. As of September 30, 2014, the following warrants remain outstanding:

September 30, 2014
Issue Date	Shares Subject to warrants	Exercise Price per Share		Expiration
July 17, 2007	2,834	$	12.45	February 9, 2016
September 28, 2007	72,727	$	8.25	September 28, 2017