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 601-625 of 784 matching filings.

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4

OWNERSHIP DOCUMENT

Filing date: 01 Jul 2015
Reporting date: 30 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-35521

FORM 8-K

Filing date: 03 Jun 2015
Reporting date: 03 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-35521

FORM 8-K

Filing date: 14 May 2015
Reporting date: 14 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-35521

FORM 10-Q

Filing date: 14 May 2015
Reporting date: 31 Mar 2015
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

S-8 File 333-204129

FORM S-8

Filing date: 13 May 2015
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: 11 May 2015
Reporting date: 07 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFR14A File 001-35521

FORM DEFR14A

Filing date: 01 Apr 2015
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

5

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 01 Apr 2015
Reporting date: 31 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-35521

DEF 14A

Filing date: 31 Mar 2015
Reporting date: 07 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 Mar 2015
Reporting date: 25 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-86820

SC 13D/A

Filing date: 25 Mar 2015
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 19 Mar 2015
Reporting date: 18 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

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