Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0000899243-18-015969
Filing Date
2018-06-11
Accepted
2018-06-11 16:11:08
Documents
1
Period of Report
2017-11-03

Document Format Files

Seq Description Document Type Size
1 FORM 4/A SUBMISSION doc4a.html 4/A  
1 FORM 4/A SUBMISSION doc4a.xml 4/A 8270
  Complete submission text file 0000899243-18-015969.txt   9867
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)

EIN.: 382591828 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software

Mailing Address 1820 E BIG BEAVER RD TROY MI 48083
Business Address 1820 E BIG BEAVER RD TROY MI 48083 2486142400
GC Investments LLC (Reporting) CIK: 0001720808 (see all company filings)

State of Incorp.: MI | Fiscal Year End: 1231
Type: 4/A | Act: 34 | File No.: 001-38263 | Film No.: 18892101