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

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 326-350 of 1,000 matching filings.

Per page

25

Current page

14

SC 13G/A File 005-90370

SC 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

SC 13G/A

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

SC 13G File 005-90370

SC 13G filing

Filing date: 31 Jan 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-90370

SC 13G/A filing

Filing date: 25 Jan 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 25 Jan 2024
Reporting date: 23 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 25 Jan 2024
Reporting date: 23 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Jan 2024
Reporting date: 16 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Jan 2024
Reporting date: 16 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Jan 2024
Reporting date: 16 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Jan 2024
Reporting date: 12 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-38263

144 filing

Filing date: 16 Jan 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 21 Dec 2023
Reporting date: 20 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Dec 2023
Reporting date: 18 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Dec 2023
Reporting date: 18 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Dec 2023
Reporting date: 18 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 11 Dec 2023
Reporting date: 08 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 11 Dec 2023
Reporting date: 08 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 08 Dec 2023
Reporting date: 06 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 08 Dec 2023
Reporting date: 06 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .