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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001564590-21-025062
Filing Date
2021-05-06
Accepted
2021-05-06 16:38:10
Documents
86
Period of Report
2021-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q altr-10q_20210331.htm   iXBRL 10-Q 2835564
2 EX-10.2 altr-ex102_213.htm EX-10.2 34489
3 EX-10.3 altr-ex103_192.htm EX-10.3 85852
4 EX-10.4 altr-ex104_191.htm EX-10.4 64655
5 EX-10.5 altr-ex105_212.htm EX-10.5 87814
6 EX-10.6 altr-ex106_210.htm EX-10.6 85468
7 EX-10.7 altr-ex107_211.htm EX-10.7 86107
8 EX-10.8 altr-ex108_208.htm EX-10.8 86466
9 EX-10.9 altr-ex109_209.htm EX-10.9 87735
10 EX-31.1 altr-ex311_6.htm EX-31.1 8665
11 EX-31.2 altr-ex312_8.htm EX-31.2 9303
12 EX-32.1 altr-ex321_7.htm EX-32.1 6692
  Complete submission text file 0001564590-21-025062.txt   9832554

Data Files

Seq Description Document Type Size
13 XBRL TAXONOMY EXTENSION SCHEMA altr-20210331.xsd EX-101.SCH 50660
14 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE altr-20210331_cal.xml EX-101.CAL 67972
15 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE altr-20210331_def.xml EX-101.DEF 205881
16 XBRL TAXONOMY EXTENSION LABEL LINKBASE altr-20210331_lab.xml EX-101.LAB 406762
17 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE altr-20210331_pre.xml EX-101.PRE 327911
18 EXTRACTED XBRL INSTANCE DOCUMENT altr-10q_20210331_htm.xml XML 1684886
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.: 21898495
SIC: 7372 Services-Prepackaged Software
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