Birchtech Corp. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Corsicana, TX
SEC filing record 1 source field available
Fiscal year end
31 December
Birchtech Corp. has filed 801 SEC EDGAR filings since 09 Aug 2001

SEC filing history

Showing 151-175 of 596 matching filings.

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25
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7
4

PRIMARY DOCUMENT

Filing date
24 Nov 2021
Reporting date
22 Nov 2021
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4

PRIMARY DOCUMENT

Filing date
24 Nov 2021
Reporting date
22 Nov 2021
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4

PRIMARY DOCUMENT

Filing date
01 Jul 2021
Reporting date
29 Jun 2021
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8-K File 000-33067

FORM 8-K

Filing date
28 Jun 2021
Reporting date
23 Jun 2021
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8-K File 000-33067

FORM 8-K

Filing date
09 Jun 2021
Reporting date
03 Jun 2021
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8-K File 000-33067

FORM 8-K

Filing date
07 Jun 2021
Reporting date
01 Jun 2021
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DEFA14A File 000-33067

DEFA14A

Filing date
21 May 2021
Reporting date
Not listed
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8-K File 000-33067

FORM 8-K

Filing date
18 May 2021
Reporting date
13 May 2021
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4

PRIMARY DOCUMENT

Filing date
07 May 2021
Reporting date
01 May 2021
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DEF 14A File 000-33067

DEF 14A

Filing date
30 Apr 2021
Reporting date
03 Jun 2021
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4

PRIMARY DOCUMENT

Filing date
21 Apr 2021
Reporting date
19 Apr 2021
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PRE 14A File 000-33067

PRE 14A

Filing date
16 Apr 2021
Reporting date
16 Apr 2021
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NT 10-K File 000-33067

NT 10-K

Filing date
31 Mar 2021
Reporting date
31 Dec 2020
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4

PRIMARY DOCUMENT

Filing date
22 Mar 2021
Reporting date
22 Mar 2021
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8-K File 000-33067

FORM 8-K

Filing date
12 Mar 2021
Reporting date
08 Mar 2021
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8-K File 000-33067

FORM 8-K

Filing date
10 Mar 2021
Reporting date
10 Mar 2021
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4

PRIMARY DOCUMENT

Filing date
29 Jan 2021
Reporting date
27 Jan 2021
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4

PRIMARY DOCUMENT

Filing date
29 Jan 2021
Reporting date
27 Jan 2021
SEC evidence
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