Form 8-K - Current report:
SEC Accession No. 0001193125-25-066329
Filing Date
2025-03-28
Accepted
2025-03-28 08:34:33
Documents
16
Period of Report
2025-03-26
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 1.02: Termination of a Material Definitive Agreement
Item 2.01: Completion of Acquisition or Disposition of Assets
Item 2.04: Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement
Item 3.01: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
Item 3.03: Material Modifications to Rights of Security Holders
Item 5.01: Changes in Control of Registrant
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d869190d8k.htm   iXBRL 8-K 59877
2 EX-3.1 d869190dex31.htm EX-3.1 10479
3 EX-3.2 d869190dex32.htm EX-3.2 64601
4 EX-4.1 d869190dex41.htm EX-4.1 27400
  Complete submission text file 0001193125-25-066329.txt   322434

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA altr-20250326.xsd EX-101.SCH 2847
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE altr-20250326_lab.xml EX-101.LAB 17980
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE altr-20250326_pre.xml EX-101.PRE 11256
18 EXTRACTED XBRL INSTANCE DOCUMENT d869190d8k_htm.xml XML 3721
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: 8-K | Act: 34 | File No.: 001-38263 | Film No.: 25781599
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)