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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001564590-21-041685
Filing Date
2021-08-05
Accepted
2021-08-05 16:53:21
Documents
78
Period of Report
2021-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q altr-10q_20210630.htm   iXBRL 10-Q 4206699
2 EX-31.1 altr-ex311_15.htm EX-31.1 8669
3 EX-31.2 altr-ex312_6.htm EX-31.2 9305
4 EX-32.1 altr-ex321_12.htm EX-32.1 6695
  Complete submission text file 0001564590-21-041685.txt   11672546

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA altr-20210630.xsd EX-101.SCH 49992
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE altr-20210630_cal.xml EX-101.CAL 67454
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE altr-20210630_def.xml EX-101.DEF 214969
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE altr-20210630_lab.xml EX-101.LAB 416813
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE altr-20210630_pre.xml EX-101.PRE 337261
10 EXTRACTED XBRL INSTANCE DOCUMENT altr-10q_20210630_htm.xml XML 2291222
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.: 211149172
SIC: 7372 Services-Prepackaged Software
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