INOGEN INC

Ticker: INGN CUSIP: 45780L104 Class: COM

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 5,362 Value ($000) $666 Avg Close $164.69 Range $110.51 - $247.99

Q3 2018

Shares 5,098 Value ($000) $1,245 Avg Close $231.25 Range $179.49 - $287.79

Q2 2018

Shares 4,611 Value ($000) $859 Avg Close $166.43 Range $122.24 - $194.23

Q1 2018

Shares 4,500 Value ($000) $553 Avg Close $122.09 Range $112.78 - $134.97

Q4 2017

Shares 4,050 Value ($000) $482 Avg Close $110.11 Range $91.80 - $130.05

Q3 2017

Shares 4,050 Value ($000) $385 Avg Close $96.41 Range $89.01 - $105.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	5,362	$666	$164.69	$110.51 - $247.99
Q3 2018	5,098	$1,245	$231.25	$179.49 - $287.79
Q2 2018	4,611	$859	$166.43	$122.24 - $194.23
Q1 2018	4,500	$553	$122.09	$112.78 - $134.97
Q4 2017	4,050	$482	$110.11	$91.80 - $130.05
Q3 2017	4,050	$385	$96.41	$89.01 - $105.35