10-Q
File 000-33067
FORM 10-Q
- Filing date
- 06 Jun 2023
- Reporting date
- 31 Mar 2023
- SEC evidence
- Open document Open filing Open XBRL
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Birchtech Corp. reports
- Company location
- Corsicana, TX
- Fiscal year end
- 31 December
Company
Names, identifiers, and filing context for this profile.
1 identity field
SEC filing record 1 source field available
Birchtech Corp. has filed 801 SEC EDGAR filings since 09 Aug 2001
SEC filing history
Showing 101-125 of 596 matching filings.
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25
Current page
5
3
PRIMARY DOCUMENT
- Filing date
- 02 Jun 2023
- Reporting date
- 26 May 2023
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8-K
File 000-33067
FORM 8-K
- Filing date
- 30 May 2023
- Reporting date
- 26 May 2023
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NT 10-Q
File 000-33067
NT 10-Q
- Filing date
- 15 May 2023
- Reporting date
- 31 Mar 2023
- SEC evidence
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10-K
File 000-33067
FORM 10-K
- Filing date
- 15 May 2023
- Reporting date
- 31 Dec 2022
- SEC evidence
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8-K
File 000-33067
FORM 8-K
- Filing date
- 20 Apr 2023
- Reporting date
- 17 Apr 2023
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NT 10-K
File 000-33067
NT 10-K
- Filing date
- 31 Mar 2023
- Reporting date
- 31 Dec 2022
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3
PRIMARY DOCUMENT
- Filing date
- 01 Mar 2023
- Reporting date
- 01 Mar 2023
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4
PRIMARY DOCUMENT
- Filing date
- 22 Feb 2023
- Reporting date
- 20 Feb 2023
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8-K
File 000-33067
FORM 8-K
- Filing date
- 15 Feb 2023
- Reporting date
- 10 Feb 2023
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4
PRIMARY DOCUMENT
- Filing date
- 03 Feb 2023
- Reporting date
- 01 Feb 2023
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4
PRIMARY DOCUMENT
- Filing date
- 03 Feb 2023
- Reporting date
- 01 Feb 2023
- SEC evidence
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4
PRIMARY DOCUMENT
- Filing date
- 03 Feb 2023
- Reporting date
- 01 Feb 2023
- SEC evidence
- Open document Open filing
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8-K
File 000-33067
FORM 8-K
- Filing date
- 03 Feb 2023
- Reporting date
- 31 Jan 2023
- SEC evidence
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8-K
File 000-33067
FORM 8-K
- Filing date
- 25 Jan 2023
- Reporting date
- 25 Jan 2023
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8-K
File 000-33067
FORM 8-K
- Filing date
- 18 Jan 2023
- Reporting date
- 18 Jan 2023
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8-K
File 000-33067
FORM 8-K
- Filing date
- 07 Dec 2022
- Reporting date
- 01 Dec 2022
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4
PRIMARY DOCUMENT
- Filing date
- 17 Nov 2022
- Reporting date
- 15 Nov 2022
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10-Q
File 000-33067
FORM 10-Q
- Filing date
- 14 Nov 2022
- Reporting date
- 30 Sep 2022
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4
PRIMARY DOCUMENT
- Filing date
- 10 Nov 2022
- Reporting date
- 08 Nov 2022
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8-K
File 000-33067
FORM 8-K
- Filing date
- 02 Nov 2022
- Reporting date
- 28 Oct 2022
- SEC evidence
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4
PRIMARY DOCUMENT
- Filing date
- 01 Nov 2022
- Reporting date
- 28 Oct 2022
- SEC evidence
- Open document Open filing
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8-K
File 000-33067
FORM 8-K
- Filing date
- 30 Sep 2022
- Reporting date
- 28 Sep 2022
- SEC evidence
- Open document Open filing Open XBRL
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4
PRIMARY DOCUMENT
- Filing date
- 06 Sep 2022
- Reporting date
- 02 Sep 2022
- SEC evidence
- Open document Open filing
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8-K
File 000-33067
FORM 8-K
- Filing date
- 31 Aug 2022
- Reporting date
- 30 Aug 2022
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing