4
4 filing
- Filing date
- 27 May 2025
- Reporting date
- 22 May 2025
- SEC evidence
- Open document Open filing
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ClearSign Technologies Corp SEC filing history
126 indexed filings. This is the filing history currently indexed by PortfolioSavvy, which may not include every SEC submission.
SEC filing history
Showing 26–50 of 104 matching filings.
Per page
25
Current page
2
4
4 filing
- Filing date
- 03 Apr 2025
- Reporting date
- 01 Apr 2025
- SEC evidence
- Open document Open filing
- Next action
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4
4 filing
- Filing date
- 03 Apr 2025
- Reporting date
- 01 Apr 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Apr 2025
- Reporting date
- 01 Apr 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Apr 2025
- Reporting date
- 01 Apr 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 25 Feb 2025
- Reporting date
- 24 Feb 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 24 Feb 2025
- Reporting date
- 20 Feb 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 24 Feb 2025
- Reporting date
- 20 Feb 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 21 Feb 2025
- Reporting date
- 20 May 2024
- SEC evidence
- Open document Open filing
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4
4 filing
- Filing date
- 06 Jan 2025
- Reporting date
- 02 Jan 2025
- SEC evidence
- Open document Open filing
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- Verify source filing
4
4 filing
- Filing date
- 06 Jan 2025
- Reporting date
- 02 Jan 2025
- SEC evidence
- Open document Open filing
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- Verify source filing
4
4 filing
- Filing date
- 06 Jan 2025
- Reporting date
- 02 Jan 2025
- SEC evidence
- Open document Open filing
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4
4 filing
- Filing date
- 06 Jan 2025
- Reporting date
- 02 Jan 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Oct 2024
- Reporting date
- 01 Oct 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Oct 2024
- Reporting date
- 01 Oct 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Oct 2024
- Reporting date
- 01 Oct 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Oct 2024
- Reporting date
- 01 Oct 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Aug 2024
- Reporting date
- 01 Aug 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Jul 2024
- Reporting date
- 01 Jul 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Jul 2024
- Reporting date
- 01 Jul 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 03 Jul 2024
- Reporting date
- 01 Jul 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 26 Jun 2024
- Reporting date
- 24 Jun 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 25 Apr 2024
- Reporting date
- 23 Apr 2024
- SEC evidence
- Open document Open filing
- Next action
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4/A
4/A filing
- Filing date
- 10 Apr 2024
- Reporting date
- 22 Feb 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 02 Apr 2024
- Reporting date
- 01 Apr 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing