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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-21-083521
Filing Date
2021-03-17
Accepted
2021-03-17 08:00:55
Documents
12
Period of Report
2021-03-17
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Document Format Files

Seq Description Document Type Size
1 8-K d155039d8k.htm   iXBRL 8-K 22794
  Complete submission text file 0001193125-21-083521.txt   140961

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA altr-20210317.xsd EX-101.SCH 3064
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE altr-20210317_lab.xml EX-101.LAB 17374
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE altr-20210317_pre.xml EX-101.PRE 10949
5 EXTRACTED XBRL INSTANCE DOCUMENT d155039d8k_htm.xml XML 3242
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.: 21748467
SIC: 7372 Services-Prepackaged Software