Altair Engineering Inc. reports

Company location: Troy, MI
Fiscal year end: 31 December

Altair Engineering Inc. has filed 1,329 SEC EDGAR filings since 16 Jun 2017

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SEC filing history

Showing 651-675 of 1,000 matching filings.

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25

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27

8-K File 001-38263

8-K

Filing date: 15 Dec 2021
Reporting date: 15 Dec 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Dec 2021
Reporting date: 09 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 10 Dec 2021
Reporting date: 09 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38263

8-K

Filing date: 10 Dec 2021
Reporting date: 09 Dec 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2021
Reporting date: 17 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2021
Reporting date: 17 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2021
Reporting date: 17 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Nov 2021
Reporting date: 15 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Nov 2021
Reporting date: 15 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Nov 2021
Reporting date: 15 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Nov 2021
Reporting date: 04 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Nov 2021
Reporting date: 03 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Nov 2021
Reporting date: 03 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-38263

10-Q

Filing date: 04 Nov 2021
Reporting date: 30 Sep 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-38263

8-K

Filing date: 04 Nov 2021
Reporting date: 04 Nov 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 Oct 2021
Reporting date: 19 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 Oct 2021
Reporting date: 19 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 Oct 2021
Reporting date: 19 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Oct 2021
Reporting date: 15 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Oct 2021
Reporting date: 15 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Oct 2021
Reporting date: 15 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 15 Oct 2021
Reporting date: 14 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 15 Oct 2021
Reporting date: 14 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 12 Oct 2021
Reporting date: 07 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 12 Oct 2021
Reporting date: 07 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

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