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 301-325 of 1,000 matching filings.

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25

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13

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Feb 2024
Reporting date: 28 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-277284

S-8

Filing date: 22 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-38263

10-K

Filing date: 22 Feb 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-38263

8-K

Filing date: 22 Feb 2024
Reporting date: 22 Feb 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Feb 2024
Reporting date: 16 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Feb 2024
Reporting date: 16 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Feb 2024
Reporting date: 16 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-90370

SCHEDULE 13G/A

Filing date: 13 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-90370

ALTAIR ENGINEERING, INC.

Filing date: 13 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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