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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-23-030252
Filing Date
2023-12-21
Accepted
2023-12-21 10:46:03
Documents
1
Period of Report
2023-12-20

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 3331
  Complete submission text file 0001127602-23-030252.txt   4821
Mailing Address 1820 E. BIG BEAVER ROAD TROY MI 48083
Business Address 1820 E. BIG BEAVER ROAD TROY MI 48083 248-614-2400
Altair Engineering Inc. (Issuer) CIK: 0001701732 (see all company filings)

IRS No.: 382591828 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)

Mailing Address 350 ELLIS STREET MOUNTAIN VIEW CA 94043
Business Address
Brown Matthew Charles (Reporting) CIK: 0001766979 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38263 | Film No.: 231503327