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Birchtech Corp. — 10-K Filings

17 10-K filings on record

This page lists all 10-K 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 17 10-K 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
10-K FORM 10-K 0001477932-25-002237 Mar 31, 2025 Dec 31, 2024
10-K FORM 10-K 0001477932-24-002170 Apr 16, 2024 Dec 31, 2023
10-K FORM 10-K 0001477932-23-003370 May 15, 2023 Dec 31, 2022
10-K FORM 10-K 0001477932-22-002069 Apr 5, 2022 Dec 31, 2021
10-K FORM 10-K 0001477932-21-002039 Apr 5, 2021 Dec 31, 2020
10-K FORM 10-K 0001477932-20-002679 May 14, 2020 Dec 31, 2019
10-K FORM 10-K 0001477932-19-001664 Apr 11, 2019 Dec 31, 2018
10-K FORM 10-K 0001477932-18-001894 Apr 17, 2018 Dec 31, 2017
10-K FORM 10-K 0001477932-17-001322 Mar 28, 2017 Dec 31, 2016
10-K FORM 10-K 0001477932-16-009335 Mar 30, 2016 Dec 31, 2015
10-K FORM 10-K 0001477932-15-001853 Mar 20, 2015 Dec 31, 2014
10-K FORM 10-K 0001477932-14-001072 Mar 14, 2014 Dec 31, 2013
10-K FORM 10-K 0001477932-13-001136 Mar 13, 2013 Dec 31, 2012
10-K FORM 10-K 0001477932-12-001143 Apr 12, 2012 Dec 31, 2011
10-K FORM 10-K 0001477932-11-000558 Apr 19, 2011 Dec 31, 2010
10-K FORM 10-K 0000728385-10-000006 Apr 15, 2010 Dec 31, 2009
10-K FORM 10-K 0000728385-09-000008 Apr 13, 2009 Dec 31, 2008