Altair Engineering Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Troy, MI
SEC filing record 1 source field available
Fiscal year end
31 December
Altair Engineering Inc. has filed 1,329 SEC EDGAR filings since 16 Jun 2017

SEC filing history

Showing 401-425 of 1,000 matching filings.

Per page
25
Current page
17
4

PRIMARY DOCUMENT

Filing date
17 Jul 2023
Reporting date
14 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
17 Jul 2023
Reporting date
14 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
17 Jul 2023
Reporting date
14 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
11 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
20 Jun 2023
Reporting date
16 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
20 Jun 2023
Reporting date
16 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
20 Jun 2023
Reporting date
16 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
13 Jun 2023
Reporting date
09 Mar 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38263

144 filing

Filing date
12 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
12 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
12 Jun 2023
Reporting date
09 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38263

144 filing

Filing date
09 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-90370

SCHEDULE 13G/A

Filing date
09 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
08 Jun 2023
Reporting date
07 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38263

144 filing

Filing date
07 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
07 Jun 2023
Reporting date
06 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
07 Jun 2023
Reporting date
06 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
07 Jun 2023
Reporting date
06 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38263

144 filing

Filing date
06 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
05 Jun 2023
Reporting date
02 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38263

144 filing

Filing date
02 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38263

144 filing

Filing date
26 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
26 May 2023
Reporting date
26 May 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. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .