ClearSign Technologies Corp reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Tulsa, OK
SEC filing record 1 source field available
Fiscal year end
31 December
ClearSign Technologies Corp has filed 781 SEC EDGAR filings since 05 May 2008

SEC filing history

Showing 676-700 of 780 matching filings.

Per page
25
Current page
28
424B5 File 333-188381

FORM 424B5

Filing date
28 Feb 2014
Reporting date
Not listed
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8-K File 001-35521

FORM 8-K

Filing date
28 Feb 2014
Reporting date
27 Feb 2014
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SC 13G/A File 005-86820

SC 13G/A

Filing date
13 Feb 2014
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
24 Jan 2014
Reporting date
22 Jan 2014
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8-K File 001-35521

FORM 8-K

Filing date
12 Nov 2013
Reporting date
11 Nov 2013
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8-K File 001-35521

FORM 8-K

Filing date
15 Aug 2013
Reporting date
14 Aug 2013
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EFFECT File 333-188381

EFFECT filing

Filing date
30 May 2013
Reporting date
Not listed
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8-K File 001-35521

FORM 8-K

Filing date
06 May 2013
Reporting date
06 May 2013
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S-3 File 333-188381

FORM S-3

Filing date
06 May 2013
Reporting date
Not listed
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8-K File 001-35521

FORM 8-K

Filing date
06 May 2013
Reporting date
06 May 2013
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DEF 14A File 001-35521

SCHEDULE 14A

Filing date
27 Mar 2013
Reporting date
02 May 2013
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SC 13D/A File 005-86820

SCHEDULE 13D/A

Filing date
25 Feb 2013
Reporting date
Not listed
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8-K File 001-35521

FORM 8-K

Filing date
22 Feb 2013
Reporting date
22 Feb 2013
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SC 13G File 005-86820

FORM SC 13G

Filing date
24 Jan 2013
Reporting date
Not listed
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4/A

OWNERSHIP DOCUMENT

Filing date
23 Jan 2013
Reporting date
28 Dec 2012
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4

OWNERSHIP DOCUMENT

Filing date
22 Jan 2013
Reporting date
17 Jan 2013
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4

OWNERSHIP DOCUMENT

Filing date
22 Jan 2013
Reporting date
17 Jan 2013
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4

OWNERSHIP DOCUMENT

Filing date
22 Jan 2013
Reporting date
17 Jan 2013
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
22 Jan 2013
Reporting date
17 Jan 2013
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
22 Jan 2013
Reporting date
17 Jan 2013
SEC evidence
Open document Open filing
Next action
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