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 101-125 of 780 matching filings.

Per page
25
Current page
5
UPLOAD File 001-35521

UPLOAD filing

Filing date
29 Oct 2024
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
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4

OWNERSHIP DOCUMENT

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
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4

OWNERSHIP DOCUMENT

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
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4

OWNERSHIP DOCUMENT

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
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8-K/A File 001-35521

FORM 8-K/A

Filing date
23 Aug 2024
Reporting date
24 Jun 2024
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4

OWNERSHIP DOCUMENT

Filing date
05 Aug 2024
Reporting date
01 Aug 2024
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3

OWNERSHIP DOCUMENT

Filing date
05 Aug 2024
Reporting date
01 Aug 2024
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424B4 File 333-279550

424B4

Filing date
15 Jul 2024
Reporting date
Not listed
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EFFECT File 333-279550

EFFECT filing

Filing date
12 Jul 2024
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
10 Jul 2024
Reporting date
Not listed
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D File 021-518022

D filing

Filing date
09 Jul 2024
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

OWNERSHIP DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

OWNERSHIP DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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S-1/A File 333-279550

FORM S-1/A

Filing date
03 Jul 2024
Reporting date
Not listed
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8-K/A File 001-35521

FORM 8-K/A

Filing date
28 Jun 2024
Reporting date
24 Jun 2024
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4

OWNERSHIP DOCUMENT

Filing date
26 Jun 2024
Reporting date
24 Jun 2024
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SC 13D/A File 005-86820

SCHEDULE 13D/A - AMENDMENT NO. 4

Filing date
26 Jun 2024
Reporting date
Not listed
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