0000950170-24-015951.txt : 20240215 0000950170-24-015951.hdr.sgml : 20240215 20240215163724 ACCESSION NUMBER: 0000950170-24-015951 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240213 FILED AS OF DATE: 20240215 DATE AS OF CHANGE: 20240215 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Briansky Sharon CENTRAL INDEX KEY: 0001897651 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39675 FILM NUMBER: 24644365 MAIL ADDRESS: STREET 1: C/O ALLEGRO MICROSYSTEMS, INC. STREET 2: 955 PERIMETER ROAD CITY: MANCHESTER STATE: NH ZIP: 03103 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ALLEGRO MICROSYSTEMS, INC. CENTRAL INDEX KEY: 0000866291 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 462405937 FISCAL YEAR END: 0331 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 4 1 ownership.xml 4 X0508 4 2024-02-13 false 0000866291 ALLEGRO MICROSYSTEMS, INC. ALGM 0001897651 Briansky Sharon 955 PERIMETER ROAD MANCHESTER NH 03103 false true false false SVP, GC and Secretary false Common Stock 2024-02-13 4 F false 5469 30.34 D 83725 D Represents shares withheld to cover taxes due upon the vesting of restricted stock units that were previously granted by the Issuer. /s/ Matthew Frascella, Attorney-in-Fact for Sharon S. Briansky 2024-02-15