0001127602-24-014891.txt : 20240510 0001127602-24-014891.hdr.sgml : 20240510 20240510085919 ACCESSION NUMBER: 0001127602-24-014891 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240508 FILED AS OF DATE: 20240510 DATE AS OF CHANGE: 20240510 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gayle Brian CENTRAL INDEX KEY: 0001851363 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38263 FILM NUMBER: 24933029 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 2024-05-08 0001701732 Altair Engineering Inc. ALTR 0001851363 Gayle Brian C/O ALTAIR ENGINEERING INC. 1820 E. BIG BEAVER RD. TROY MI 48083 1 Chief Accounting Officer 0 Class A Common Stock 2024-05-08 4 S 0 173 84.3764 D 19196 D Shares sold to satisfy the tax withholding obligation in connection with the vesting of Class A Common Stock restricted stock units. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.14 to $84.38 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 4,552 Class A Common Stock restricted stock units that are unvested. /s/ Raoul Maitra, attorney-in-fact for Brian Gayle 2024-05-10