Altair Engineering Inc. SEC filing history

513 indexed filings. This is the filing history currently indexed by PortfolioSavvy, which may not include every SEC submission.

Open complete filing history at SEC

SEC filing history

Showing 451–475 of 503 matching filings.

Per page

25

Current page

19

4

4 filing

Filing date: 19 Aug 2021
Reporting date: 18 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 19 Aug 2021
Reporting date: 18 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 19 Aug 2021
Reporting date: 18 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 18 Aug 2021
Reporting date: 16 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 18 Aug 2021
Reporting date: 16 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 18 Aug 2021
Reporting date: 16 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 13 Aug 2021
Reporting date: 12 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 13 Aug 2021
Reporting date: 12 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 12 Aug 2021
Reporting date: 11 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 12 Aug 2021
Reporting date: 11 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

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

4

4 filing

Filing date: 26 Jul 2021
Reporting date: 23 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 26 Jul 2021
Reporting date: 23 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 20 Jul 2021
Reporting date: 19 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 20 Jul 2021
Reporting date: 19 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 20 Jul 2021
Reporting date: 19 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

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

4

4 filing

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

4

4 filing

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

4

4 filing

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

4

4 filing

Filing date: 08 Jul 2021
Reporting date: 06 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 08 Jul 2021
Reporting date: 06 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

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

4

4 filing

Filing date: 30 Jun 2021
Reporting date: 30 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 23 Jun 2021
Reporting date: 23 Jun 2021
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 .