0001127602-24-007572.txt : 20240229 0001127602-24-007572.hdr.sgml : 20240229 20240229152922 ACCESSION NUMBER: 0001127602-24-007572 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: Dias Nelson CENTRAL INDEX KEY: 0001720642 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 24703150 MAIL ADDRESS: STREET 1: 1820 E BIG BEAVER RD 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 0001720642 Dias Nelson C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER RD. TROY MI 48083 1 Chief Revenue Officer 0 Class A Common Stock 2024-02-28 4 S 0 375 83.651 D 33838 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 8,031 Class A Common Stock restricted stock units that are unvested. /s/ Raoul Maitra, attorney-in-fact for Nelson Navin Patrick Dias 2024-02-29