<SEC-DOCUMENT>0001387131-23-000258-index.html : 20230111
<SEC-HEADER>0001387131-23-000258.hdr.sgml : 20230111
<ACCEPTANCE-DATETIME>20230111170227
ACCESSION NUMBER:		0001387131-23-000258
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20230111
DATE AS OF CHANGE:		20230111
GROUP MEMBERS:		HOAK & CO.
GROUP MEMBERS:		HOAK FUND MANAGEMENT, L.P.
GROUP MEMBERS:		J. HALE HOAK
GROUP MEMBERS:		JAMES M. HOAK

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78868
		FILM NUMBER:		23524155

	BUSINESS ADDRESS:	
		STREET 1:		404 VETERANS AIRPARK LANE
		STREET 2:		SUITE 300
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79705
		BUSINESS PHONE:		(432) 262-2700

	MAIL ADDRESS:	
		STREET 1:		404 VETERANS AIRPARK LANE
		STREET 2:		SUITE 300
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79705

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Hoak Public Equities, LP
		CENTRAL INDEX KEY:			0001360554
		IRS NUMBER:				201356217
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		3963 MAPLE AVENUE
		STREET 2:		SUITE 450
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219
		BUSINESS PHONE:		214-855-2284

	MAIL ADDRESS:	
		STREET 1:		3963 MAPLE AVENUE
		STREET 2:		SUITE 450
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>ngs-sc13da_011123.htm
<DESCRIPTION>AMENDMENT TO FORM SC 13D
<TEXT>
Document 1 - file: ngs-sc13da_011123.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex99-1.htm
<DESCRIPTION>JOINT FILING AGREEMENT DATED JANUARY 11, 2023
<TEXT>
Document 2 - file: ex99-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex99-2.htm
<DESCRIPTION>LETTER TO THE BOARD OF DIRECTORS
<TEXT>
Document 3 - file: ex99-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ngs-001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ngs-001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ngs-002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: ngs-002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ngs-003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: ngs-003.jpg

</DOCUMENT>
</SEC-DOCUMENT>