Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-23-058280
Filing Date
2023-11-02
Accepted
2023-11-02 16:30:47
Documents
81
Period of Report
2023-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q altr-20230930.htm   iXBRL 10-Q 4306779
2 EX-10.1 altr-ex10_1.htm EX-10.1 126352
3 EX-31.1 altr-ex31_1.htm EX-31.1 12295
4 EX-31.2 altr-ex31_2.htm EX-31.2 13376
5 EX-32.1 altr-ex32_1.htm EX-32.1 10157
  Complete submission text file 0000950170-23-058280.txt   13098359

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT altr-20230930_pre.xml EX-101.PRE 404742
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT altr-20230930_def.xml EX-101.DEF 280306
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT altr-20230930.xsd EX-101.SCH 60548
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT altr-20230930_cal.xml EX-101.CAL 66545
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT altr-20230930_lab.xml EX-101.LAB 506032
75 EXTRACTED XBRL INSTANCE DOCUMENT altr-20230930_htm.xml XML 2491307
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)

EIN.: 382591828 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-38263 | Film No.: 231372900
SIC: 7372 Services-Prepackaged Software