BCHT SCHEDULE 13G: SEC filing
A Schedule 13G was
Filed with the SEC on · accession 0000935836-26-000520
BCHT filed a SCHEDULE 13G (schedule 13g) with the SEC on Oct 5, 2026. A Schedule 13G was filed regarding beneficial ownership of Birchtech Corp. (BCHT). The stock moved -2.7% by the first close after the filing.
Summary of the filing
A Schedule 13G was filed regarding beneficial ownership of Birchtech Corp. (BCHT). The filing indicates a passive investor holds a stake in the company.
How BCHT stock reacted
Close before
$1.50
Oct 2, 2026
First close after
-2.67%
$1.46
5 trading days
-7.33%
$1.39
Since filing
-31.33%
$1.03
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Click hereFrequently asked questions
What did BCHT file with the SEC on Oct 5, 2026?
BCHT filed a SCHEDULE 13G (SEC filing). A Schedule 13G was filed regarding beneficial ownership of Birchtech Corp. (BCHT). The filing indicates a passive investor holds a stake in the company.
How do I read a SCHEDULE 13G?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).
How did BCHT stock react to this filing?
BCHT closed at $1.50 before the filing and $1.46 on Oct 5, 2026 (-2.67%). Five trading days later: $1.39 (-7.33%).
Other BCHT SEC filings
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