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Birchtech Corp. — DEF 14A Filings

10 DEF 14A filings on record

This page lists all DEF 14A 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 10 DEF 14A 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
DEF 14A DEF 14A 0001477932-24-007662 Nov 27, 2024
DEF 14A DEF 14A 0001477932-23-008062 Nov 3, 2023
DEF 14A DEF 14A 0001477932-22-000407 Jan 24, 2022
DEF 14A DEF 14A 0001477932-21-002797 Apr 30, 2021 Jun 3, 2021
DEF 14A DEF 14A 0001477932-18-002115 Apr 30, 2018
DEF 14A DEF 14A 0001477932-17-002034 May 1, 2017
DEF 14A DEF 14A 0001477932-16-011200 Jul 6, 2016
DEF 14A DEF 14A 0001477932-14-005640 Oct 27, 2014 Oct 24, 2014
DEF 14A 0000728385-09-000017 May 29, 2009
DEF 14A 0001144204-06-024346 Jun 9, 2006 Jul 14, 2006