0001127602-24-015944.txt : 20240520 0001127602-24-015944.hdr.sgml : 20240520 20240520101805 ACCESSION NUMBER: 0001127602-24-015944 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240517 FILED AS OF DATE: 20240520 DATE AS OF CHANGE: 20240520 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GC Investments LLC CENTRAL INDEX KEY: 0001720808 ORGANIZATION NAME: STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 24962806 BUSINESS ADDRESS: STREET 1: 1820 E BIG BEAVER RD CITY: TROY STATE: MI ZIP: 48083 BUSINESS PHONE: 2486142400 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 2024-05-17 0001701732 Altair Engineering Inc. ALTR 0001720808 GC Investments LLC C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER ROAD TROY MI 48083 1 0 Class A Common Stock 2024-05-17 4 S 0 47800 90.3231 D 252200 D Class A Common Stock 2024-05-17 4 S 0 2200 91.1552 D 250000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.015 to $91.00 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.07 to $91.28 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. /s/ Raoul Maitra attorney-in-fact for GC Investments, LLC 2024-05-20