Net Loss Per Common Share

12 Months Ended

Dec. 31, 2017

Net Loss Per Common Share

Net Loss Per Common Share

4.Net Loss Per Common Share

The following table sets forth the computation of basic and diluted net loss per share for the periods indicated (in thousands, except share and per share data):

	Year Ended			Year Ended			Year Ended
	December 31, 2017			December 31, 2016			December 31, 2015
Basic and diluted net loss per common share calculation:
Net loss attributable to common stockholders	$	(148,876	)	$	(72,398	)	$	(35,876	)
Weighted-average shares outstanding—basic and diluted	28,035,697			20,905,448			16,894,549
Net loss per share of common stock—basic and diluted	$	(5.31	)	$	(3.46	)	$	(2.12	)

The following outstanding securities at December 31, 2017, 2016 and 2015 have been excluded from the computation of diluted weighted-average shares outstanding, as they would have been anti-dilutive:

	Year Ended	Year Ended	Year Ended
	December 31, 2017	December 31, 2016	December 31, 2015
Unvested restricted stock	—	38,526	104,574
Stock options	3,225,356	2,825,851	2,240,955
	3,225,356	2,864,377	2,345,529