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.
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 |