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 |
|---|---|---|---|
| 424B4 | Prospectus | Feb 27, 2026 | — |
| S-1/A | Amended registration statement | Feb 12, 2026 | — |
| S-1/A | Amended registration statement | Feb 3, 2026 | — |
| S-1 | Registration statement | Jan 13, 2026 | — |
| S-1 | Registration statement | Nov 10, 2021 | — |
| 424B3 | Prospectus | Jan 11, 2017 | — |
| S-1 | Registration statement | Dec 23, 2016 | — |
Showing 7 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.