Business
Birchtech provides specialty activated carbon technologies for air and water purification, including mercury emissions capture for coal-fired utilities and PFAS-related water purification development.
Birchtech slightly grew revenue, narrowed losses, improved cash burn, but equity turned negative.
The read at a glance✓ Audited against SEC data
- Business mix — Activated carbon and emissions techNote
- Revenue — Revenue rose 1.3%OK
- Losses — Net loss narrowed 72.0%OK
- Cash — Free cash flow improvedOK
- Balance sheet — Equity turned negativeWatch
- Insiders — 1 purchase / 0 salesOK
- Accounting — Altman-Z distress; Beneish-M clean; earnings-quality greyWatch
Where the revenue comes from
Fiscal 2025, as Birchtech Corp. reports it. History and quarterly detail are in the app.
- Product Revenue$14.2M
- License revenue$3.2M
- License$3.1M
- Equipment Revenue$141K
- Demonstrations & Consulting revenue$93K
Leadership changes
From Birchtech Corp.'s own filings, the day they're filed.
- Richard MacPherson · Chief Executive Officer · appointmenteff. 2025-07-01
- Christopher Greenberg · Chairman · departureeff. 2025-07-01
- Fiona Fitzmaurice · Chief Financial Officer · appointmenteff. 2023-11-01
Latest filings
- 10-Q · Quarterly report2026-08-13
- 8-K · Company announcement2026-07-28
- DEF 14A · Annual proxy (pay & governance)2026-06-24
- 10-Q · Quarterly report2026-05-13
- 8-K · Company announcement2026-05-06
In the full recordFree for 14 days
- What changed🔒
- Insider signal🔒
- Growth quality🔒
- Margins & accounting🔒
- Capital allocation🔒
- Real risks🔒
- The long arc🔒
- Company history🔒
- Main tension🔒
- The filings, readable — with what changed vs the prior year highlighted🔒
- Full financial statements, industry-aware, sources cited throughout🔒
- Forensic score history & components — the trend, not one year🔒
- Ownership: insider buys/sells, clusters, activist stakes🔒
- Ana — ask about Birchtech Corp., every answer cited to the official filings🔒
Every figure comes from the company's filings, and analysis whose figures don't match SEC data is rejected before publication.
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