0001378842-21-000002.txt : 20210511 0001378842-21-000002.hdr.sgml : 20210511 20210511174259 ACCESSION NUMBER: 0001378842-21-000002 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210507 FILED AS OF DATE: 20210511 DATE AS OF CHANGE: 20210511 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Brown Christopher CENTRAL INDEX KEY: 0001378842 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39675 FILM NUMBER: 21912691 MAIL ADDRESS: STREET 1: C/O OPTIUM CORPORATION STREET 2: 500 HORIZON DRIVE, SUITE 500 CITY: CHALFONT STATE: PA ZIP: 18914 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ALLEGRO MICROSYSTEMS, INC. CENTRAL INDEX KEY: 0000866291 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] 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 wf-form4_162076935711259.xml FORM 4 X0306 4 2021-05-07 0 0000866291 ALLEGRO MICROSYSTEMS, INC. ALGM 0001378842 Brown Christopher 955 PERIMETER ROAD MANCHESTER NH 03103 0 1 0 0 See Remarks Common Stock 2021-05-07 4 A 0 14522 0 A 199620 D Represents an award of Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in four equal annual installments beginning on May 16, 2022. /s/ Christopher Brown 2021-05-11