<SEC-DOCUMENT>0001558370-23-007377-index.html : 20230501
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<ACCEPTANCE-DATETIME>20230428215859
ACCESSION NUMBER:		0001558370-23-007377
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20230501
DATE AS OF CHANGE:		20230428

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PDF SOLUTIONS INC
		CENTRAL INDEX KEY:			0001120914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		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:		23869657

	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
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<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: tmb-20230428xdefa14a.htm

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tmb-20230428xdefa14a_bg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tmb-20230428xdefa14a_bg001.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tmb-20230428xdefa14a_bg002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tmb-20230428xdefa14a_bg002.jpg

</DOCUMENT>
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