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    PUBLIC DOCUMENT COUNT:		39
    CONFORMED PERIOD OF REPORT:	20220622
    FILED AS OF DATE:		20220622
    DATE AS OF CHANGE:		20220622

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    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ALLEGRO MICROSYSTEMS, INC.
    		CENTRAL INDEX KEY:			0000866291
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
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    		FISCAL YEAR END:			0325

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    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-39675
    		FILM NUMBER:		221030059

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

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    		CITY:			MANCHESTER
    		STATE:			NH
    		ZIP:			03103

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