<SEC-DOCUMENT>0001544509-14-000019-index.html : 20141217
<SEC-HEADER>0001544509-14-000019.hdr.sgml : 20141217
<ACCEPTANCE-DATETIME>20141217162648
ACCESSION NUMBER:		0001544509-14-000019
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20141217
DATE AS OF CHANGE:		20141217

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mastech Holdings, Inc.
		CENTRAL INDEX KEY:			0001437226
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				262753540
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84265
		FILM NUMBER:		141292852

	BUSINESS ADDRESS:	
		STREET 1:		1305 CHERRINGTON PARKWAY
		STREET 2:		BUILDING 210, SUITE 400
		CITY:			MOON TOWNSHIP
		STATE:			PA
		ZIP:			15108
		BUSINESS PHONE:		412-787-2100

	MAIL ADDRESS:	
		STREET 1:		1305 CHERRINGTON PARKWAY
		STREET 2:		BUILDING 210, SUITE 400
		CITY:			MOON TOWNSHIP
		STATE:			PA
		ZIP:			15108

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AB Value Management LLC
		CENTRAL INDEX KEY:			0001544509
		IRS NUMBER:				274252857
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		84 ELM STREET
		CITY:			WESTFIELD
		STATE:			NJ
		ZIP:			07090
		BUSINESS PHONE:		7327017008

	MAIL ADDRESS:	
		STREET 1:		84 ELM STREET
		CITY:			WESTFIELD
		STATE:			NJ
		ZIP:			07090
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sc13g.htm
<TEXT>
Document 1 - file: sc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>2
<FILENAME>ex991.htm
<TEXT>
Document 2 - file: ex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2
<SEQUENCE>3
<FILENAME>ex992.htm
<TEXT>
Document 3 - file: ex992.htm

</DOCUMENT>
</SEC-DOCUMENT>