<SEC-DOCUMENT>0001415889-21-005184.txt : 20211115
<SEC-HEADER>0001415889-21-005184.hdr.sgml : 20211115
<ACCEPTANCE-DATETIME>20211115113719
ACCESSION NUMBER:		0001415889-21-005184
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211103
FILED AS OF DATE:		20211115
DATE AS OF CHANGE:		20211115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Li Ye Jane
		CENTRAL INDEX KEY:			0001667921

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31311
		FILM NUMBER:		211407724

	MAIL ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790

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>3
<SEQUENCE>1
<FILENAME>form3-11152021_081110.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-11-03</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001120914</issuerCik>
        <issuerName>PDF SOLUTIONS INC</issuerName>
        <issuerTradingSymbol>PDFS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001667921</rptOwnerCik>
            <rptOwnerName>Li Ye Jane</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2858 DE LA CRUZ BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANTA CLARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95050</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Adnan Raza, Attorney-In-Fact for Ye Jane Li</signatureName>
        <signatureDate>2021-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-11152021_081112.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//IETF//DTD HTML//EN">
<html><head><title>ex24-11152021_081112.htm</title></head><body style="margin-top:0;font-family:Times New Roman; font-size:10pt; color:#000000">
<p style="margin:0px; font-size:11pt" align="center"><b>POWER OF ATTORNEY</b></p>
<p style="margin:0px" align="center"><br></p>
<p style="margin:0px; text-indent:48px; font-size:11pt">The undersigned hereby constitutes and appoints <u>John Kibarian, Kimon Michaels, Adnan Raza</u>, and <u>Rochelle Woodward</u> and each of them, his or her, true and lawful attorney-in-fact to:</p>
<p style="margin:0px"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:48px; width:86.4px; font-size:11pt; float:left">(1)</p>
<p style="margin:0px; padding-left:86.4px; padding-right:19.2px; text-indent:-2px; font-size:11pt">prepare, execute in the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s name and on the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s behalf, and submit to the U.S. Securities and Exchange Commission (the <font style="font-family:Arial Unicode MS,Times New Roman">&ldquo;</font><u>SEC</u><font style="font-family:Arial Unicode MS,Times New Roman">&rdquo;</font>) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation of the SEC;</p>
<p style="margin:0px; clear:left"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:48px; width:86.4px; font-size:11pt; float:left">(2)</p>
<p style="margin:0px; padding-left:86.4px; padding-right:19.2px; text-indent:-2px; font-size:11pt">execute for and on behalf of the undersigned, in the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s capacity as an officer and/or director, and/or person who holds more than 10% of the stock of PDF Solutions, Inc. (the <font style="font-family:Arial Unicode MS,Times New Roman">&ldquo;</font><u>Company</u><font style="font-family:Arial Unicode MS,Times New Roman">&rdquo;</font>), Forms&nbsp;3, 4 and 5 in accordance with Section&nbsp;16(a) of the Securities Exchange Act of 1934, as amended (the <font style="font-family:Arial Unicode MS,Times New Roman">&ldquo;</font><u>Exchange Act</u><font style="font-family:Arial Unicode MS,Times New Roman">&rdquo;</font>) and the rules thereunder;</p>
<p style="margin:0px; clear:left"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:48px; width:86.4px; font-size:11pt; float:left">(3)</p>
<p style="margin:0px; padding-left:86.4px; padding-right:19.2px; text-indent:-2px; font-size:11pt">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form&nbsp;3, 4 or 5, complete and execute any amendment(s) thereto, and timely file any such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and</p>
<p style="margin:0px; clear:left"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:48px; width:86.4px; font-size:11pt; float:left">(4)</p>
<p style="margin:0px; padding-left:86.4px; padding-right:19.2px; text-indent:-2px; font-size:11pt">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s discretion.</p>
<p style="margin:0px; clear:left"><br></p>
<p style="margin:0px; text-indent:48px; font-size:11pt">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s substitute or substitutes, shall lawfully do or cause to be done pursuant to this power of attorney. &nbsp;The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s responsibilities to comply with Section&nbsp;16 of the Exchange Act.</p>
<p style="margin:0px"><br></p>
<p style="margin:0px; text-indent:48px; font-size:11pt">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms&nbsp;3, 4, and 5 with respect to the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s holdings of and transactions in securities issued by the Company, unless earlier revoked or modified by the undersigned in a signed writing, but shall terminate automatically as to each individual attorney-in-fact when such person is no longer an employee of the Company. &nbsp;This Power of Attorney may be filed with the SEC as a confirming statement of the authority granted herein. </p>
<p style="margin:0px"><br></p>
<p style="margin:0px"><br></p>
<p style="margin:0px; text-indent:48px; font-size:11pt">The undersigned has caused this Power of Attorney to be executed as of this <u>3<sup>rd</sup></u>day of November, 2021.</p>
<p style="margin:0px"><br></p>
<p style="margin:0px"><br></p>
<p style="margin:0px; font-size:11pt"><u>/s/ Ye Jane Li</u></p>
<p style="margin:0px; font-size:11pt">Ye Jane Li </p>
<p style="margin:0px"><br></p>
<p style="line-height:10pt; margin:0px; font-size:8pt"><u><div style="display:inline;">OHS West:260445966.5</div></u><b style="font-size:12pt;font-weight:normal;"> </b></p>
</body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
