0001972362-24-000341.txt : 20240306 0001972362-24-000341.hdr.sgml : 20240306 20240306175237 ACCESSION NUMBER: 0001972362-24-000341 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240306 DATE AS OF CHANGE: 20240306 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 24727345 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Marraccini Jeffrey CENTRAL INDEX KEY: 0001912935 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ALTAIR ENGINEERING INC. STREET 2: 1820 E. BIG BEAVER RD. CITY: TROY STATE: MI ZIP: 48083 144 1 primary_doc.xml 144 0001912935 XXXXXXXX LIVE 0001701732 Altair Engineering Inc. 001-38263 1820 E. BIG BEAVER ROAD TROY MI 48083 248-614-2400 Marraccini Jeffrey Officer COMMON Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Dr - 4th Floor SANDY UT 84070

5778 488587.68 54600000 03/06/2024 NASDAQ COMMON 03/06/2024 STOCK OPTION EXERCISE ISSUER N 5778 03/06/2024 COMPENSATION N JEFFREY D MARRACCINI

1820 EAST BIG BEAVER ROAD TROY MI 48083

RESTRICTED STOCK 03/04/2024 197 16808.04 03/06/2024 /s/ Jeffrey David Marraccini