0001127602-24-007586.txt : 20240229 0001127602-24-007586.hdr.sgml : 20240229 20240229154248 ACCESSION NUMBER: 0001127602-24-007586 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240228 FILED AS OF DATE: 20240229 DATE AS OF CHANGE: 20240229 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Maitra Raoul CENTRAL INDEX KEY: 0001802468 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 24703243 MAIL ADDRESS: STREET 1: C/O ALTAIR ENGINEERING INC. STREET 2: 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] 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 2024-02-28 0001701732 Altair Engineering Inc. ALTR 0001802468 Maitra Raoul C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER RD. TROY MI 48083 1 Chief Legal Officer 0 Class A Common Stock 2024-02-28 4 S 0 189 83.651 D 25589 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.65 to $83.89 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. Includes 5,741 Class A Common Stock restricted stock units that are unvested. /s/ Raoul Maitra 2024-02-29