<SEC-DOCUMENT>0001437749-26-018826-index.html : 20260529
<SEC-HEADER>0001437749-26-018826.hdr.sgml : 20260529
<ACCEPTANCE-DATETIME>20260529132429
ACCESSION NUMBER:		0001437749-26-018826
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20251231
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<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20251231
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FILED AS OF DATE:		20260529
DATE AS OF CHANGE:		20260529

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PDF SOLUTIONS INC
		CENTRAL INDEX KEY:			0001120914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		EIN:				251701361
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31311
		FILM NUMBER:		261040986

	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>SD
<SEQUENCE>1
<FILENAME>pdfs20260521_sd.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: pdfs20260521_sd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>ex_966952.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
Document 2 - file: ex_966952.htm

</DOCUMENT>
</SEC-DOCUMENT>