<SEC-DOCUMENT>0001969223-25-000391.txt : 20250604
<SEC-HEADER>0001969223-25-000391.hdr.sgml : 20250604
<ACCEPTANCE-DATETIME>20250604100528
ACCESSION NUMBER:		0001969223-25-000391
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250604
DATE AS OF CHANGE:		20250604

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLEGRO MICROSYSTEMS, INC.
		CENTRAL INDEX KEY:			0000866291
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				462405937
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-39675
		FILM NUMBER:		251022180

	BUSINESS ADDRESS:	
		STREET 1:		955 PERIMETER ROAD
		CITY:			MANCHESTER
		STATE:			NH
		ZIP:			03103
		BUSINESS PHONE:		(603) 626-2300

	MAIL ADDRESS:	
		STREET 1:		955 PERIMETER ROAD
		CITY:			MANCHESTER
		STATE:			NH
		ZIP:			03103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGRO MICROSYSTEMS INC
		DATE OF NAME CHANGE:	19900730

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lury Richard R.
		CENTRAL INDEX KEY:			0001828865
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O ALLEGRO MICROSYSTEMS, INC.
		STREET 2:		955 PERIMETER ROAD
		CITY:			MANCHESTER
		STATE:			NH
		ZIP:			03103
</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>0001828865</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000866291</issuerCik>
      <issuerName>Allegro Microsystems, Inc</issuerName>
      <secFileNumber>001-39675</secFileNumber>
      <issuerAddress>
        <com:street1>955 Perimeter Road</com:street1>
        <com:city>Manchester</com:city>
        <com:stateOrCountry>NH</com:stateOrCountry>
        <com:zipCode>03103</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>603-626-2300</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Richard Lury</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Class A common stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>UBS Financial Services Inc</name>
        <address>
          <com:street1>1000 Harbor Blvd</com:street1>
          <com:street2>3rd Floor</com:street2>
          <com:city>Weehawken</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>07086</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>6849</noOfUnitsSold>
      <aggregateMarketValue>186635.23</aggregateMarketValue>
      <noOfUnitsOutstanding>184901288</noOfUnitsOutstanding>
      <approxSaleDate>06/04/2025</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A common stock</securitiesClassTitle>
      <acquiredDate>10/29/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Initial Public Offering</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6849</amountOfSecuritiesAcquired>
      <paymentDate>10/29/2020</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/04/2025</noticeDate>
      <signature>/s/Mijo  Suric, as a duly authorized representative of UBS Financial Services Inc, as attorney-in-fact for Richard Lury</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
