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)

3 Months Ended

Mar. 31, 2018

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, 2017		1,836,426		$0.60-$83.30		$	30.77		4.58	$	88.31
Granted		—			—		—
Exercised		(169,594	)	0.60-58.95			26.29
Forfeited		—			—		—
Expired		—			—		—
Outstanding as of March 31, 2018		1,666,832		$0.60-$83.30		$	31.23		4.45	$	91.61
Vested and exercisable as of March 31, 2018		1,134,940		$0.60-$83.30		$	25.82		4.31	$	97.02
Vested and expected to vest as of March 31, 2018		1,631,773		$0.60-$83.30		$	30.98		4.44	$	91.86

Summary of Restricted Stock Activity

Stock Awards activity for the three months ended March 31, 2018, is summarized below:

										Weighted-
										average
										grant
				Performance						date fair
				and						value
	Time-based			time-based			Total			per share
Unvested restricted stock units outstanding as of December 31, 2017		42,028			13,109			55,137		$	90.05
Granted		20,049			—			20,049			122.00
Vested		(1,836	)		(4,370	)		(6,206	)		87.38
Forfeited/canceled		(546	)		—			(546	)		91.52
Unvested restricted stock units outstanding as of March 31, 2018 ⁽¹⁾		59,695			8,739			68,434		$	99.64
Unvested and expected to vest restricted stock units outstanding as of March 31, 2018								63,143		$	99.79
Unvested restricted stock awards outstanding as of December 31, 2017		20,789			20,785			41,574		$	91.52
Granted		21,222			31,830			53,052			122.00
Vested		—			(6,928	)		(6,928	)		91.52
Forfeited/canceled		—			—			—			—
Unvested restricted stock awards outstanding as of March 31, 2018 ⁽¹⁾		42,011			45,687			87,698		$	108.30
Unvested and expected to vest restricted stock awards outstanding as of March 31, 2018								67,432		$	108.07

⁽¹⁾	Outstanding restricted stock units and restricted stock awards are based on the maximum payout of the targeted number of shares.

Summary of Stock-based Compensation Expense

Stock-based compensation

Stock-based compensation expense recognized for the three months ended March 31, 2018 and March 31, 2017 was as follows:

	Three months ended
	March 31,
	2018		2017
Stock-based compensation expense by type of award:
Stock option plan awards	$	1,951	$	1,744
Restricted stock units and restricted stock awards		1,239		24
Employee stock purchase plan		191		123
Total stock-based compensation expense	$	3,381	$	1,891

For the three months ended March 31, 2018 and March 31, 2017, stock-based compensation expense recognized under ASC 718, included in cost of revenue, research and development expense, sales and marketing expense, and general and administrative expense, was as follows:

	Three months ended
	March 31,
	2018		2017
Cost of revenue	$	273	$	191
Research and development		331		223
Sales and marketing		548		315
General and administrative		2,229		1,162
Total stock-based compensation expense	$	3,381	$	1,891