<SEC-DOCUMENT>0000050725-24-000112.txt : 20240918
<SEC-HEADER>0000050725-24-000112.hdr.sgml : 20240918
<ACCEPTANCE-DATETIME>20240918171040
ACCESSION NUMBER:		0000050725-24-000112
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240918
DATE AS OF CHANGE:		20240918

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRIFFON CORP
		CENTRAL INDEX KEY:			0000050725
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL DOORS, SASH, FRAMES, MOLDING & TRIM [3442]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				111893410
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-06620
		FILM NUMBER:		241308264

	BUSINESS ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2129575000

	MAIL ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSTRUMENT SYSTEMS CORP /DE/
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Kaplan Seth L.
		CENTRAL INDEX KEY:			0001491551
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		STREET 2:		18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001491551</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000050725</issuerCik>
      <issuerName>Griffon Corporation</issuerName>
      <secFileNumber>001-06620</secFileNumber>
      <issuerAddress>
        <com:street1>712 Fifth Avenue</com:street1>
        <com:city>New York</com:city>
        <com:stateOrCountry>NY</com:stateOrCountry>
        <com:zipCode>10019</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>212-957-5000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Seth L. Kaplan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated</name>
        <address>
          <com:street1>253 Post Road West</com:street1>
          <com:city>Westport</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06880</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>35274</noOfUnitsSold>
      <aggregateMarketValue>2384522</aggregateMarketValue>
      <noOfUnitsOutstanding>49263240</noOfUnitsOutstanding>
      <approxSaleDate>09/18/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>11/30/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Vesting of Restricted Stock</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Griffon Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>12533</amountOfSecuritiesAcquired>
      <paymentDate>11/30/2022</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>11/30/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Vesting of Restricted Stock</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Griffon Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>22741</amountOfSecuritiesAcquired>
      <paymentDate>11/30/2021</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The shares covered by this Form 144 are being sold pursuant to a Rule 10b5-1 Sales Plan dated June 5, 2024, which is intended to comply with Rule 10b5-1.  The representation herein regarding Seller's Knowledge of material information speaks as of the adoption of that Sales Plan.</remarks>
    <noticeSignature>
      <noticeDate>09/18/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>06/05/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Seth L. Kaplan</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
