Birchtech Corp. (BCHT) SEC filings

BCHTNYSEMeasuring & Controlling Devices, NECFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 7/3044% below fair value

$1.17+0.07 (+6.36%)

Close on Nov 12, 2026Market cap $30.78MP/E –Yield –

SEC filings

40 of Birchtech's most recent filings on SEC EDGAR

Document	Form	Period	Filed	Source
Quarterly report	10-Q	Sep 30, 2026	Nov 12, 2026	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2026	Aug 13, 2026	SEC EDGAR
Current report	8-K	Jul 23, 2026	Jul 28, 2026	SEC EDGAR
Proxy statement	DEF 14A	Jul 23, 2026	Jun 24, 2026	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2026	May 13, 2026	SEC EDGAR
Current report	8-K	May 1, 2026	May 6, 2026	SEC EDGAR
Current report	8-K	Apr 10, 2026	Apr 13, 2026	SEC EDGAR
Annual report	10-K	Dec 31, 2025	Mar 31, 2026	SEC EDGAR
Current report	8-K	Mar 17, 2026	Mar 17, 2026	SEC EDGAR
Current report	8-K	Feb 25, 2026	Feb 27, 2026	SEC EDGAR
Current report	8-K	Dec 29, 2025	Jan 5, 2026	SEC EDGAR
Current report	8-K	Dec 23, 2025	Dec 29, 2025	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2025	Nov 13, 2025	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2025	Aug 14, 2025	SEC EDGAR
Current report	8-K	Jun 13, 2025	Jun 20, 2025	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2025	May 15, 2025	SEC EDGAR
Annual report	10-K	Dec 31, 2024	Mar 31, 2025	SEC EDGAR
Current report	8-K	Mar 28, 2025	Mar 31, 2025	SEC EDGAR
Current report	8-K	Mar 4, 2025	Mar 4, 2025	SEC EDGAR
Current report	8-K	Dec 30, 2024	Jan 6, 2025	SEC EDGAR
Proxy statement	DEF 14A	Nov 27, 2024	Nov 27, 2024	SEC EDGAR
Current report	8-K	Oct 29, 2024	Nov 15, 2024	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2024	Nov 14, 2024	SEC EDGAR
Current report	8-K	Oct 8, 2024	Oct 21, 2024	SEC EDGAR
Current report	8-K	Oct 15, 2024	Oct 17, 2024	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2024	Aug 12, 2024	SEC EDGAR
Current report	8-K	Jul 30, 2024	Aug 1, 2024	SEC EDGAR
Current report	8-K	Jun 7, 2024	Jun 13, 2024	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2024	May 15, 2024	SEC EDGAR
Annual report	10-K	Dec 31, 2023	Apr 16, 2024	SEC EDGAR
Current report	8-K	Mar 4, 2024	Mar 5, 2024	SEC EDGAR
Current report	8-K	Feb 27, 2024	Mar 4, 2024	SEC EDGAR
Current report	8-K	Dec 28, 2023	Jan 4, 2024	SEC EDGAR
Current report	8-K	Dec 5, 2023	Dec 7, 2023	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2023	Nov 20, 2023	SEC EDGAR
Current report	8-K	Nov 13, 2023	Nov 14, 2023	SEC EDGAR
Current report	8-K	Nov 1, 2023	Nov 7, 2023	SEC EDGAR
Proxy statement	DEF 14A	Nov 3, 2023	Nov 3, 2023	SEC EDGAR
Current report	8-K	Oct 10, 2023	Oct 16, 2023	SEC EDGAR
Current report	8-K	Sep 12, 2023	Sep 15, 2023	SEC EDGAR

Where these numbers come from

Parsed from the XBRL in Birchtech's annual and quarterly filings with the SEC
Per-share figures adjusted for the 1-for-5 reverse split on Dec 31, 2025
Fourth quarters derived from the annual report minus nine months
Every figure in the statements links to its source filing

Against peers

Trailing twelve months. Peers are matched on business description, industry and size. Ticks are peers, the dot is BCHT.

Compare: BCHT vs CLIR · BCHT vs GEOS · BCHT vs DAIO · BCHT vs INIS · BCHT vs NEPH

Revenue growth-10.7% · median -20.5%

Gross margin30.2% · median 50.6%

Operating margin-27.1% · median -43.7%

Net margin-30.2% · median -43.1%

Company	Revenue	Growth
GEOS	$91.85M	-20.5%
NEPH	$21.58M	+20.4%
DAIO	$17.78M	-21.8%
BCHT	$17.33M	-10.7%
INIS	$11.23M	-23.7%
CLIR	$5.45M	+82.7%

Company

Exchange: NYSE
Industry: Measuring & Controlling Devices, NEC
Fiscal year ends: December 31
Employees: 20
Held by institutions: 17.3%
Auditor: Rosenberg Rich Baker Berman, P.A.
SEC CIK: 728385

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