Birchtech Corp. — 4/A Filings
9 4/A filings on record
This page lists all 4/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 9 4/A 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 |
|---|---|---|---|---|
| 4/A | PRIMARY DOCUMENT | 0000945836-18-000011 | Jun 12, 2018 | Jun 8, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001565778-15-000005 | Mar 23, 2015 | Mar 16, 2015 |
| 4/A | PRIMARY DOCUMENT | 0000945836-14-000030 | Oct 2, 2014 | Sep 25, 2014 |
| 4/A | PRIMARY DOCUMENT | 0001565778-14-000006 | Oct 1, 2014 | Aug 31, 2014 |
| 4/A | PRIMARY DOCUMENT | 0000945836-13-000016 | Jul 19, 2013 | Mar 19, 2013 |
| 4/A | — | 0001144204-05-031381 | Oct 11, 2005 | Sep 30, 2005 |
| 4/A | — | 0000351349-03-000010 | Oct 21, 2003 | — |
| 4/A | — | 0000351349-03-000011 | Oct 21, 2003 | — |
| 4/A | — | 0000351349-03-000012 | Oct 21, 2003 | — |