0001127602-23-030252.txt : 20231221 0001127602-23-030252.hdr.sgml : 20231221 20231221104603 ACCESSION NUMBER: 0001127602-23-030252 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231220 FILED AS OF DATE: 20231221 DATE AS OF CHANGE: 20231221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Brown Matthew Charles CENTRAL INDEX KEY: 0001766979 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 231503327 MAIL ADDRESS: STREET 1: 350 ELLIS STREET CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Altair Engineering Inc. CENTRAL INDEX KEY: 0001701732 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] ORGANIZATION NAME: 06 Technology 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 2023-12-20 0001701732 Altair Engineering Inc. ALTR 0001766979 Brown Matthew Charles C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER RD. TROY MI 48083 1 Chief Financial Officer 0 Class A Common Stock 2023-12-20 4 A 0 10000 0 A 53011 D On December 20, 2023, the Reporting Person was granted 10,000 Class A Common Stock restricted stock units, which vest in 4 equal annual installments commencing December 20, 2024. Includes 42,000 Class A Common Stock restricted stock units that are unvested. /s/ Raoul Maitra, attorney-in-fact for Matthew Brown 2023-12-21