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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001564590-21-054516
Filing Date
2021-11-04
Accepted
2021-11-04 16:24:34
Documents
13
Period of Report
2021-11-04
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K altr-8k_20211104.htm   iXBRL 8-K 42082
2 EX-99.1 altr-ex991_6.htm EX-99.1 979563
  Complete submission text file 0001564590-21-054516.txt   1179881

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA altr-20211104.xsd EX-101.SCH 5677
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE altr-20211104_lab.xml EX-101.LAB 18571
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE altr-20211104_pre.xml EX-101.PRE 11029
6 EXTRACTED XBRL INSTANCE DOCUMENT altr-8k_20211104_htm.xml XML 3425
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: 8-K | Act: 34 | File No.: 001-38263 | Film No.: 211380426
SIC: 7372 Services-Prepackaged Software