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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-23-017901
Filing Date
2023-05-04
Accepted
2023-05-04 16:21:04
Documents
80
Period of Report
2023-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q altr-20230331.htm   iXBRL 10-Q 3201785
2 EX-31.1 altr-ex31_1.htm EX-31 14245
3 EX-31.2 altr-ex31_2.htm EX-31 15604
4 EX-32.1 altr-ex32_1.htm EX-32 12022
  Complete submission text file 0000950170-23-017901.txt   10936473

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT altr-20230331_def.xml EX-101.DEF 316615
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT altr-20230331_pre.xml EX-101.PRE 440159
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT altr-20230331_cal.xml EX-101.CAL 74081
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT altr-20230331.xsd EX-101.SCH 62666
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT altr-20230331_lab.xml EX-101.LAB 528731
74 EXTRACTED XBRL INSTANCE DOCUMENT altr-20230331_htm.xml XML 2050428
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. (Filer) CIK: 0001701732 (see all company filings)

IRS No.: 382591828 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-38263 | Film No.: 23889105
SIC: 7372 Services-Prepackaged Software