<SEC-DOCUMENT>0001437749-19-010737-index.html : 20190523
<SEC-HEADER>0001437749-19-010737.hdr.sgml : 20190523
<ACCEPTANCE-DATETIME>20190523145409
ACCESSION NUMBER:		0001437749-19-010737
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190523
DATE AS OF CHANGE:		20190523
EFFECTIVENESS DATE:		20190523

FILER:

	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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31311
		FILM NUMBER:		19849726

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>pdfs20190523_defa14a.htm
<DESCRIPTION>FORM DEFA14A
<TEXT>
Document 1 - file: pdfs20190523_defa14a.htm

</DOCUMENT>
</SEC-DOCUMENT>