SEC Form 4 · accession 0001084991-19-000005

NATURAL GAS SERVICES GROUP INC · NGS

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

Reporting owner

Officer — Chief Executive Officer · Director

Period of report

Jan 28, 2019

Accepted (ET)

Jan 30, 2019 · 5:42 pm EST

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	Jan 28, 2019	M	1,110	$7.84	A	321,772	D
Common Stock	Jan 28, 2019	S	1,110	$17.00	D	320,662	D
Common Stock	Jan 29, 2019	M	4,905	$7.84	A	325,567	D
Common Stock	Jan 29, 2019	S	4,905	$17.05	D	320,662	D
Common Stock	Jan 30, 2019	M	348	$7.84	A	321,010	D
Common Stock	Jan 30, 2019	S	348	$17.00	D	320,662	D
Common Stock	holding	—	—		—	21,139	I	By Rabbi Trust

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option	$7.84	Jan 28, 2019	M	1,110	D	Mar 17, 2010	Mar 16, 2019	Common Stock	1,110	20,762	D
Employee Stock Option	$7.84	Jan 29, 2019	M	4,905	D	Mar 17, 2010	Mar 16, 2019	Common Stock	4,905	15,857	D
Employee Stock Option	$7.84	Jan 30, 2019	M	348	D	Mar 17, 2010	Mar 16, 2019	Common Stock	348	15,509	D
Restricted Stock Units^F1	—	holding	—	—	—	—	—	Common Stock	70,230	70,230	D
Employee Stock Option	$19.90	holding	—	—	—	Jan 18, 2011	Jan 17, 2020	Common Stock	30,000	30,000	D

F1Not Applicable. Each Restricted Stock Unit represents a right to receive one share of Company common stock upon vesting without payment.