<SEC-DOCUMENT>0001716690-24-000002.txt : 20240403
<SEC-HEADER>0001716690-24-000002.hdr.sgml : 20240403
<ACCEPTANCE-DATETIME>20240403214333
ACCESSION NUMBER:		0001716690-24-000002
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240403
DATE AS OF CHANGE:		20240403

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MSA Safety Inc
		CENTRAL INDEX KEY:			0000066570
		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				464914539
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-15579
		FILM NUMBER:		24821448

	BUSINESS ADDRESS:	
		STREET 1:		1000 CRANBERRY WOODS DRIVE
		CITY:			CRANBERRY TOWNSHIP
		STATE:			PA
		ZIP:			16066
		BUSINESS PHONE:		724-776-8600

	MAIL ADDRESS:	
		STREET 1:		1000 CRANBERRY WOODS DRIVE
		CITY:			CRANBERRY TOWNSHIP
		STATE:			PA
		ZIP:			16066

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MINE SAFETY APPLIANCES CO
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Leenen Bob Willem
		CENTRAL INDEX KEY:			0001716690
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		BUELSTRASSE 4
		STREET 2:		6052 HERGISWIL AM SEE
		CITY:			NIDWALDEN
		STATE:			V8
		ZIP:			6052
</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">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001716690</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000066570</issuerCik>
      <issuerName>MSA Safety Inc</issuerName>
      <secFileNumber>001-15579</secFileNumber>
      <issuerAddress>
        <com:street1>Cranberry Woods Drive 1000</com:street1>
        <com:city>Cranberry Township</com:city>
        <com:stateOrCountry>PA</com:stateOrCountry>
        <com:zipCode>16066</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>7247768600</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Leenen Bob Willem</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Executive</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>UBS Securities LLC</name>
        <address>
          <com:street1>1285 Avenue of the Americas</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10019</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>5471</noOfUnitsSold>
      <aggregateMarketValue>1050432.00</aggregateMarketValue>
      <noOfUnitsOutstanding>39318501</noOfUnitsOutstanding>
      <approxSaleDate>04/04/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>03/08/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2031</amountOfSecuritiesAcquired>
      <paymentDate>03/08/2023</paymentDate>
      <natureOfPayment>Not applicable (compensation)</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>03/08/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1904</amountOfSecuritiesAcquired>
      <paymentDate>03/08/2022</paymentDate>
      <natureOfPayment>Not applicable (compensation)</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>03/08/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1536</amountOfSecuritiesAcquired>
      <paymentDate>03/08/2021</paymentDate>
      <natureOfPayment>Not applicable (compensation)</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Bob Willem Leenen</name>
        <address>
          <com:street1>Buelstrasse 4b</com:street1>
          <com:city>Hergiswil am See</com:city>
          <com:stateOrCountry>V8</com:stateOrCountry>
          <com:zipCode>6052</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>03/13/2024</saleDate>
      <amountOfSecuritiesSold>2977</amountOfSecuritiesSold>
      <grossProceeds>556699.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/03/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>04/04/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>Bob Willem Leenen</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
