Birchtech Corp. SEC filings BCHT
Birchtech Corp. has 807 filings in SEC EDGAR's recent list, going back to Aug 9, 2001. Its latest annual report, Form ARS, was filed on Jun 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Jul 28, 2026 (change to shareholder rights, bylaw or fiscal year change, shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Jun 24, 2026 | Jul 23, 2026 |
| PRE 14A | Preliminary proxy statement | Jun 8, 2026 | Jul 23, 2026 |
| DEF 14A | Proxy statement | Nov 27, 2024 | Nov 27, 2024 |
| PRE 14A | Preliminary proxy statement | Nov 13, 2024 | Dec 30, 2024 |
| DEF 14A | Proxy statement | Nov 3, 2023 | Nov 3, 2023 |
| DEFA14A | Additional proxy material | Feb 7, 2022 | — |
| DEF 14A | Proxy statement | Jan 24, 2022 | Jan 24, 2022 |
| PRE 14A | Preliminary proxy statement | Jan 10, 2022 | Jan 10, 2022 |
| DEFA14A | Additional proxy material | May 21, 2021 | — |
| DEF 14A | Proxy statement | Apr 30, 2021 | Jun 3, 2021 |
| PRE 14A | Preliminary proxy statement | Apr 16, 2021 | Apr 16, 2021 |
| DEF 14A | Proxy statement | Apr 30, 2018 | Apr 30, 2018 |
| DEF 14A | Proxy statement | May 1, 2017 | May 1, 2017 |
| DEF 14A | Proxy statement | Jul 6, 2016 | Jul 6, 2016 |
| DEF 14A | Proxy statement | Oct 27, 2014 | Oct 24, 2014 |
| PRE 14A | Preliminary proxy statement | Oct 17, 2014 | Oct 17, 2014 |
| DEF 14C | Information statement | Sep 15, 2011 | Sep 13, 2011 |
| PRE 14C | Form pre 14c | Aug 25, 2011 | Aug 24, 2011 |
| DEF 14A | Proxy statement | May 29, 2009 | May 29, 2009 |
| DEF 14C | Information statement | Sep 25, 2008 | Sep 25, 2008 |
| PRE 14C | Filing | Sep 12, 2008 | Sep 12, 2008 |
| DEF 14A | Proxy statement | Jun 9, 2006 | Jul 14, 2006 |
| PRE 14A | Preliminary proxy statement | May 26, 2006 | May 26, 2006 |
Showing 23 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Measuring & Controlling Devices, NEC (SIC 3829)
- Listed as
- BCHT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Corsicana, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 728385
- Former names
- Midwest Energy Emissions Corp. (until Aug 12, 2024); China Youth Media, Inc. (until Oct 6, 2011); DIGICORP, INC. (until Sep 25, 2008); DIGICORP (until Mar 31, 2008)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.