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BIRCHTECH CORP (BCHT)

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0000728385 · EDGAR filings · Updated 2026-07-28

BIRCHTECH CORP (BCHT) has reported institutional ownership of 12.3%, with 23 institutional managers holding positions valued at $6.14M per the latest 13F reporting period. SEC filings include an active non-reliance notice on previously issued financial statements (8-K Item 4.02), substantial-doubt (going concern) disclosure per the filings.

Filings this week (1)

• 2026-07-28 — Current report (8-K) filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

• 2026-06-24 — ARS filed
• 2026-06-24 — Proxy statement (DEF 14A) filed
• 2026-06-08 — PRE 14A filed
• 2026-05-13 — Quarterly report (10-Q) filed
• 2026-05-12 — Amended current report (8-K/A) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, BIRCHTECH CORP has 23 institutional holders and institutional ownership of 12.3%.

Insider activity

Insiders reported 11 transactions (1 buys, 0 sells) across 3 reporting insiders, with a net reported value of $750.0K.

Data flags from SEC filings

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