0001127602-23-022277.txt : 20230810 0001127602-23-022277.hdr.sgml : 20230810 20230810151715 ACCESSION NUMBER: 0001127602-23-022277 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230809 FILED AS OF DATE: 20230810 DATE AS OF CHANGE: 20230810 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Messano Amy CENTRAL INDEX KEY: 0001762863 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 231158918 MAIL ADDRESS: STREET 1: 1820 E. BIG BEAVER ROAD CITY: TROY STATE: MI ZIP: 48083 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Altair Engineering Inc. CENTRAL INDEX KEY: 0001701732 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 382591828 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1820 E. BIG BEAVER ROAD CITY: TROY STATE: MI ZIP: 48083 BUSINESS PHONE: 248-614-2400 MAIL ADDRESS: STREET 1: 1820 E. BIG BEAVER ROAD CITY: TROY STATE: MI ZIP: 48083 FORMER COMPANY: FORMER CONFORMED NAME: Altair Engineering Ing. DATE OF NAME CHANGE: 20170322 4 1 form4.xml PRIMARY DOCUMENT X0508 4 2023-08-09 0001701732 Altair Engineering Inc. ALTR 0001762863 Messano Amy C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER RD. TROY MI 48083 1 Chief Marketing Officer 0 Class A Common Stock 2023-08-09 4 S 0 360 61.88 D 15250 D Includes 7,040 Class A Common Stock restricted stock units that are unvested. /s/ Raoul Maitra, attorney-in-fact for Amy Messano 2023-08-10