0001025092-21-000004.txt : 20210527 0001025092-21-000004.hdr.sgml : 20210527 20210527161309 ACCESSION NUMBER: 0001025092-21-000004 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210525 FILED AS OF DATE: 20210527 DATE AS OF CHANGE: 20210527 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ALDRICH DAVID J CENTRAL INDEX KEY: 0001025092 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39675 FILM NUMBER: 21972822 MAIL ADDRESS: STREET 1: 20 SYLVAN ROAD CITY: WOBURN STATE: MA ZIP: 01801 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_162214630271234.xml FORM 4 X0306 4 2021-05-25 0 0000866291 ALLEGRO MICROSYSTEMS, INC. ALGM 0001025092 ALDRICH DAVID J 955 PERIMETER ROAD MANCHESTER NH 03103 1 0 0 0 Common Stock 2021-05-25 4 A 0 1364 0 A 1364 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 on August 5, 2021. /s/ Christopher E. Brown, Attorney-in-Fact for David J Aldrich 2021-05-27