Net Loss per Share Attributable to Portola Common Stockholders

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Net Loss per Share Attributable to Portola Common Stockholders

12. Net Loss per Share Attributable to Portola Common Stockholders

The following outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share attributable to Portola common stockholders for the periods presented because including them would have been antidilutive:

	Year Ended December 31,
	2016		2015		2014
Stock options to purchase Common Stock		5,817,116		4,731,483		4,249,168
Performance stock options		180,752		–
Restricted stock units		546,507		167,750		–
Performance stock units		285,866		205,261		–
Employee stock purchase plan		37,368		15,606		13,040
Common stock warrants		1,500		1,500		6,240