<SEC-DOCUMENT>0001493152-25-014472.txt : 20250922
<SEC-HEADER>0001493152-25-014472.hdr.sgml : 20250922
<ACCEPTANCE-DATETIME>20250922162405
ACCESSION NUMBER:		0001493152-25-014472
CONFORMED SUBMISSION TYPE:	SCHEDULE 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250922
DATE AS OF CHANGE:		20250922

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWER SOLUTIONS INTERNATIONAL, INC.
		CENTRAL INDEX KEY:			0001137091
		STANDARD INDUSTRIAL CLASSIFICATION:	ENGINES & TURBINES [3510]
		ORGANIZATION NAME:           	06 Technology
		EIN:				330963637
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84256
		FILM NUMBER:		251330371

	BUSINESS ADDRESS:	
		STREET 1:		201 MITTEL DRIVE
		CITY:			WOOD DALE
		STATE:			IL
		ZIP:			60191
		BUSINESS PHONE:		630-350-9400

	MAIL ADDRESS:	
		STREET 1:		201 MITTEL DRIVE
		CITY:			WOOD DALE
		STATE:			IL
		ZIP:			60191

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FORMAT INC
		DATE OF NAME CHANGE:	20060901

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FORMAT INC /FA/
		DATE OF NAME CHANGE:	20010321

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Winemaster Gary S
		CENTRAL INDEX KEY:			0001517040
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A

	MAIL ADDRESS:	
		STREET 1:		231 EAST COLONIAL DRIVE
		CITY:			VERNON HILLS
		STATE:			IL
		ZIP:			60061
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13D" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13D/A</submissionType>
    <previousAccessionNumber>0001641172-25-022637</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Winemaster Gary S -->
          <cik>0001517040</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>22</amendmentNo>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <dateOfEvent>09/18/2025</dateOfEvent>
      <previouslyFiledFlag>false</previouslyFiledFlag>
      <issuerInfo>
        <issuerCIK>0001137091</issuerCIK>
        <issuerCUSIP>73933G202</issuerCUSIP>
        <issuerName>POWER SOLUTIONS INTERNATIONAL, INC.</issuerName>
        <address>
          <com:street1>201 Mittel Drive</com:street1>
          <com:city>Wood Dale</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60191</com:zipCode>
        </address>
      </issuerInfo>
      <authorizedPersons>
        <notificationInfo>
          <personName>Gary S. Winemaster</personName>
          <personPhoneNum>(630) 350-9400</personPhoneNum>
          <personAddress>
            <com:street1>2140 Kingfish Road</com:street1>
            <com:city>Naples</com:city>
            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>34102</com:zipCode>
          </personAddress>
        </notificationInfo>
      </authorizedPersons>
    </coverPageHeader>
    <reportingPersons>
      <reportingPersonInfo>
        <reportingPersonCIK>0001517040</reportingPersonCIK>
        <reportingPersonNoCIK>N</reportingPersonNoCIK>
        <reportingPersonName>Gary S. Winemaster</reportingPersonName>
        <fundType>OO</fundType>
        <legalProceedings>N</legalProceedings>
        <citizenshipOrOrganization>X1</citizenshipOrOrganization>
        <soleVotingPower>1454578.00</soleVotingPower>
        <sharedVotingPower>681.00</sharedVotingPower>
        <soleDispositivePower>1454578.00</soleDispositivePower>
        <sharedDispositivePower>681.00</sharedDispositivePower>
        <aggregateAmountOwned>1455259.00</aggregateAmountOwned>
        <isAggregateExcludeShares>N</isAggregateExcludeShares>
        <percentOfClass>6.3</percentOfClass>
        <typeOfReportingPerson>IN</typeOfReportingPerson>
      </reportingPersonInfo>
    </reportingPersons>
    <items1To7>
      <item1>
        <securityTitle>Common Stock</securityTitle>
        <issuerName>POWER SOLUTIONS INTERNATIONAL, INC.</issuerName>
        <issuerPrincipalAddress>
          <com:street1>201 Mittel Drive</com:street1>
          <com:city>Wood Dale</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60191</com:zipCode>
        </issuerPrincipalAddress>
      </item1>
      <item5>
        <percentageOfClassSecurities>Item 5(a) of this Schedule 13D is hereby amended and restated in its entirety as follows:

The information contained on the cover pages is incorporated herein by reference.

The Reporting Person may be deemed to beneficially own 1,455,259 shares of Common Stock, representing 6.3% of the Common Stock outstanding based upon 23,029,846 shares of the Issuer's Common Stock outstanding as of July 31, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on August 8, 2025.</percentageOfClassSecurities>
        <numberOfShares>Item 5(b) of this Schedule 13D is hereby amended and restated in its entirety as follows:

Number of shares the Reporting Person has:

Sole power to vote or direct the vote: 1,454,578
Shared power to vote: 681

Sole power to dispose or direct the disposition of: 1,454,578

Shared power to dispose or direct the disposition of: 681</numberOfShares>
        <transactionDesc>Since the most recent filing on Schedule 13D, the Reporting Person has not engaged in any transactions in the Issuer's Common Stock other than the following, each of which involved a series of open market transactions on the Nasdaq stock market:

-- On August 7, 2025, the Reporting Person sold 2,594 shares of Common Stock at a weighted average price of $91.683 per share.
-- On August 8, 2025, the Reporting Person sold 203,938 shares of Common Stock at a weighted average price of $107.7395 per share.
-- On August 11, 2025, the Reporting Person sold 12,605 shares of Common Stock at a weighted average price of $104.2741 per share.
-- On September 18, 2025, the Reporting Person sold 112,915 shares of Common Stock at a weighted average price of $105.8548 per share.
-- On September 19, 2025, the Reporting Person sold 143,352 shares of Common Stock at a weighted average price of $109.4043 per share.</transactionDesc>
        <listOfShareholders>None.</listOfShareholders>
        <date5PercentOwnership>Not applicable.</date5PercentOwnership>
      </item5>
    </items1To7>
    <signatureInfo>
      <signaturePerson>
        <signatureReportingPerson>Gary S. Winemaster</signatureReportingPerson>
        <signatureDetails>
          <signature>/s/ Gary S. Winemaster</signature>
          <title>Gary S. Winemaster</title>
          <date>09/22/2025</date>
        </signatureDetails>
      </signaturePerson>
    </signatureInfo>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
