Birchtech Corp. — CORRESP Filings
13 CORRESP filings on record
This page lists all CORRESP 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 13 CORRESP 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 |
|---|---|---|---|---|
| CORRESP | — | 0001477932-17-000097 | Jan 6, 2017 | — |
| CORRESP | — | 0001477932-15-006799 | Nov 6, 2015 | — |
| CORRESP | — | 0001477932-12-004958 | Dec 21, 2012 | — |
| CORRESP | — | 0001477932-12-000244 | Feb 8, 2012 | — |
| CORRESP | — | 0001477932-12-000098 | Jan 20, 2012 | — |
| CORRESP | — | 0001477932-11-002594 | Nov 18, 2011 | — |
| CORRESP | — | 0001477932-11-002089 | Oct 5, 2011 | — |
| CORRESP | — | 0000728385-09-000004 | Mar 10, 2009 | — |
| CORRESP | — | 0000728385-09-000003 | Feb 4, 2009 | — |
| CORRESP | — | 0000728385-09-000002 | Jan 9, 2009 | — |
| CORRESP | — | 0000728385-08-000023 | Dec 30, 2008 | — |
| CORRESP | — | 0000728385-08-000022 | Nov 26, 2008 | — |
| CORRESP | — | 0000728385-08-000018 | Nov 14, 2008 | — |