0001972362-23-001116.txt : 20231206 0001972362-23-001116.hdr.sgml : 20231206 20231206164804 ACCESSION NUMBER: 0001972362-23-001116 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231206 DATE AS OF CHANGE: 20231206 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 231470263 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: Harris Teresa A CENTRAL INDEX KEY: 0001720317 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 1820 E BIG BEAVER RD CITY: TROY STATE: MI ZIP: 48083 144 1 primary_doc.xml 144 0001720317 XXXXXXXX LIVE 0001701732 Altair Engineering Inc. 001-38263 1820 E. BIG BEAVER ROAD TROY MI 48083 248-614-2400 Harris Teresa A Director COMMON Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Dr - 4th Floo Sandy UT 84070

600 42990.00 54600000 12/06/2023 NASDAQ COMMON 12/06/2023 STOCK OPTION EXERCISE ISSUER N 600 12/06/2023 COMPENSATION N TERESA A. HARRIS

1820 E. BIG BEAVER ROAD TROY MI 48083

STOCK OPTION EXERCISE 11/14/2023 1800 131683.43 12/06/2023 /s/ Teresa Anita Harris