Inogen, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

The activity for stock options under the Company’s stock plans is as follows:

								Remaining
								weighted-
						Weighted-		average		Per share
						average		contractual		average
				Price per		exercise		terms		intrinsic
	Options			share		price		(in years)		value
Outstanding as of December 31, 2015		2,295,370		$0.60-$46.66		$	19.36		5.98	$	21.07
Granted		672,998		44.19-56.72			44.47
Exercised		(424,462	)	0.60-46.66			10.84
Forfeited		(44,636	)	8.37-44.19			27.99
Expired		(515	)		8.70		8.70
Outstanding as of September 30, 2016		2,498,755		0.60-56.72			27.41		5.65		32.49
Vested and exercisable as of September 30, 2016		1,039,364		0.60-56.72			15.63		5.18		44.27
Vested and expected to vest as of September 30, 2016		2,390,297		$0.60-$56.72		$	27.18		5.63	$	32.72

Summary of Stock-based Compensation Expense

Stock-based compensation expense recognized for the three months and nine months ended September 30, 2016 and September 30, 2015 was as follows:

	Three months ended				Nine months ended
	September 30,				September 30,
	2016		2015		2016		2015
Stock-based compensation expense by type of award:
Stock option plan awards	$	1,858	$	941	$	5,063	$	2,078
Employee stock purchase plan		95		75		341		265
Total stock-based compensation expense	$	1,953	$	1,016	$	5,404	$	2,343

For the three months and nine months ended September 30, 2016 and September 30, 2015, stock-based compensation expense recognized under ASC 718, included in cost of revenues, sales and marketing expense, general and administrative expense, and research and development expense was as follows:

	Three months ended				Nine months ended
	September 30,				September 30,
	2016		2015		2016		2015
Cost of revenue	$	175	$	128	$	454	$	294
Sales and marketing		318		297		859		677
General and administrative		1,237		459		3,530		1,068
Research and development		223		132		561		304
Total stock-based compensation expense	$	1,953	$	1,016	$	5,404	$	2,343