<SEC-DOCUMENT>0001437749-19-002502-index.html : 20190214
<SEC-HEADER>0001437749-19-002502.hdr.sgml : 20190214
<ACCEPTANCE-DATETIME>20190213193244
ACCESSION NUMBER:		0001437749-19-002502
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190214
DATE AS OF CHANGE:		20190213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PDF SOLUTIONS INC
		CENTRAL INDEX KEY:			0001120914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				251701361
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-77927
		FILM NUMBER:		19599909

	BUSINESS ADDRESS:	
		STREET 1:		2858 DE LA CRUZ BOULEVARD
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95050
		BUSINESS PHONE:		4082807900

	MAIL ADDRESS:	
		STREET 1:		2858 DE LA CRUZ BOULEVARD
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95050

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KIBARIAN JOHN KACHIG
		CENTRAL INDEX KEY:			0001164239
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	MAIL ADDRESS:	
		STREET 1:		333 WEST SAN CARLOS STREEET
		STREET 2:		SUITE 700
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>kibarian20190213_sc13ga.htm
<DESCRIPTION>SCHEDULE 13G/A
<TEXT>
Document 1 - file: kibarian20190213_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>