0001195846-21-000004.txt : 20211101 0001195846-21-000004.hdr.sgml : 20211101 20211101165457 ACCESSION NUMBER: 0001195846-21-000004 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211029 FILED AS OF DATE: 20211101 DATE AS OF CHANGE: 20211101 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MARTIN JOSEPH R CENTRAL INDEX KEY: 0001195846 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39675 FILM NUMBER: 211367945 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: 0325 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_163580004042773.xml FORM 4 X0306 4 2021-10-29 0 0000866291 ALLEGRO MICROSYSTEMS, INC. ALGM 0001195846 MARTIN JOSEPH R 955 PERIMETER ROAD MANCHESTER NH 03103 1 0 0 0 Common Stock 2021-10-29 4 S 0 20000 33.41 D 64800 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2021. The reported transaction involves sale transactions ranging from $32.90 to $34.39 per share. The weighted average price per share was $33.41. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. /s/ Christopher E. Brown, Attorney-in-Fact for Joseph Martin 2021-11-01