<SEC-DOCUMENT>0001415889-23-003733-index.html : 20230302
<SEC-HEADER>0001415889-23-003733.hdr.sgml : 20230302
<ACCEPTANCE-DATETIME>20230302115417
ACCESSION NUMBER:		0001415889-23-003733
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230228
FILED AS OF DATE:		20230302
DATE AS OF CHANGE:		20230302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GUSTAFSON MICHAEL B
		CENTRAL INDEX KEY:			0001245081

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31311
		FILM NUMBER:		23697266

	MAIL ADDRESS:	
		STREET 1:		380 INTERLOCKEN CRESCENT
		CITY:			BROOMFIELD
		STATE:			CO
		ZIP:			80021

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>form4-03022023_040309.xml
<TEXT>
Document 1 - file: form4-03022023_040309.html

Document 1 - RAW XML: form4-03022023_040309.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-03022023_040309.htm
<TEXT>
Document 2 - file: ex24-03022023_040309.htm

</DOCUMENT>
</SEC-DOCUMENT>