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 826-850 of 1,000 matching filings.

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25

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34

8-K File 001-38263

8-K

Filing date: 27 Jan 2021
Reporting date: 23 Jan 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 22 Jan 2021
Reporting date: 20 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 22 Jan 2021
Reporting date: 20 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 22 Jan 2021
Reporting date: 20 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 20 Jan 2021
Reporting date: 15 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 20 Jan 2021
Reporting date: 15 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 20 Jan 2021
Reporting date: 15 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38263

8-K

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

4

FORM 4 SUBMISSION

Filing date: 15 Jan 2021
Reporting date: 13 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 14 Jan 2021
Reporting date: 04 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 Jan 2021
Reporting date: 11 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 Jan 2021
Reporting date: 11 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38263

8-K

Filing date: 07 Jan 2021
Reporting date: 04 Jan 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SC 13G/A File 005-90370

CONESTOGA CAPITAL ADVISORS

Filing date: 06 Jan 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Dec 2020
Reporting date: 17 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Dec 2020
Reporting date: 17 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Dec 2020
Reporting date: 17 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Dec 2020
Reporting date: 17 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Dec 2020
Reporting date: 17 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2020
Reporting date: 16 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Dec 2020
Reporting date: 15 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Dec 2020
Reporting date: 15 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Dec 2020
Reporting date: 15 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Dec 2020
Reporting date: 10 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-38263

8-K

Filing date: 08 Dec 2020
Reporting date: 04 Dec 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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