SEC Form 4 · accession 0000899243-16-016547

NATURAL GAS SERVICES GROUP INC · NGS

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — President and CEO · Director

Period of report

Mar 22, 2016

Accepted (ET)

Mar 24, 2016 · 5:15 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001084991

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	Mar 22, 2016	M	15,000	$14.22	A	347,543	D
Common Stock	Mar 22, 2016	S	15,000	$21.328	D	332,543	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Nonstatutory Stock Option (right to buy)^F1	$14.22	Mar 22, 2016	M	15,000	D	Nov 21, 2007	Nov 21, 2016	Common Stock	15,000	0	D
Employee Stock Option (right to buy)	$20.06	holding	—	—	—	Jan 15, 2009	Jan 15, 2018	Common Stock	40,000	40,000	D
Employee Stock Option (right to buy)	$17.51	holding	—	—	—	Sep 10, 2009	Sep 10, 2018	Common Stock	25,000	25,000	D
Employee Stock Option (right to buy)	$9.95	holding	—	—	—	Jan 28, 2010	Jan 28, 2019	Common Stock	30,000	30,000	D
Employee Stock Option (right to buy)	$7.84	holding	—	—	—	Mar 17, 2010	Mar 16, 2019	Common Stock	23,852	23,852	D
Employee Stock Option (right to buy)	$19.90	holding	—	—	—	Jan 18, 2011	Jan 17, 2020	Common Stock	30,000	30,000	D