ClearSign Technologies Corp reports

Company location: Tulsa, OK
Fiscal year end: 31 December

ClearSign Technologies Corp has filed 785 SEC EDGAR filings since 05 May 2008

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SEC filing history

Showing 751-775 of 784 matching filings.

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25

Current page

31

8-K File 001-35521

CURRENT REPORT

Filing date: 30 Apr 2012
Reporting date: 30 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 Apr 2012
Reporting date: 25 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 26 Apr 2012
Reporting date: 25 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 26 Apr 2012
Reporting date: 25 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-177946

EFFECT filing

Filing date: 25 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-35521

FORM 8-K

Filing date: 25 Apr 2012
Reporting date: 24 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

POS AM File 333-177946

POST EFFECTIVE AMENDMENT TO FORM S-1

Filing date: 25 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B1 File 333-177946

FORM 424B1

Filing date: 25 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CERTNAS File 001-35521

AUTO-GENERATED PAPER DOCUMENT

Filing date: 24 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-177946

EFFECT filing

Filing date: 24 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 24 Apr 2012
Reporting date: 23 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-A12B File 001-35521

FORM 8-A12B

Filing date: 23 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 20 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 20 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-1/A File 333-177946

FORM S-1/A

Filing date: 18 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-1/A File 333-177946

FORM S-1/A

Filing date: 06 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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