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Birchtech Corp. — D/A Filings

3 D/A filings on record

This page lists all D/A 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 3 D/A documents 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
D/A — 0000945836-19-000018 Aug 21, 2019 —
D/A — 0001465818-14-000012 May 16, 2014 —
D/A — 0001577308-13-000003 Sep 13, 2013 —