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Birchtech Corp. — CERT Filings

1 CERT filing on record

This page lists all CERT filings submitted to the SEC by Birchtech Corp. (BCHT), sorted by most recent first. Each row links to the full filing on EdgarLookup. Birchtech Corp. has filed 1 CERT document with the SEC since 2001. To view all SEC filings by Birchtech Corp., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 10KSB 10KSB/A 10QSB 10SB12G 3 3/A 4 4/A 424B3 424B4 5 8-A12B 8-K 8-K/A ARS CERT CORRESP D D/A DEF 14A DEF 14C DEFA14A DRS EFFECT NT 10-K NT 10-Q PRE 14A PRE 14C REGDEX RW S-1 S-1/A SC 13D SC 13D/A SC 13G SC 13G/A SC 14F1 UPLOAD
Form Description Accession Number Filed Period
CERT NYSE AMERICAN CERTIFICATION 0001143313-26-000011 Feb 25, 2026 —