Birchtech Corp. — 10-K/A Filings
4 10-K/A filings on record
This page lists all 10-K/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 4 10-K/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 |
|---|---|---|---|---|
| 10-K/A | FORM 10-K/A | 0001477932-19-002186 | Apr 30, 2019 | Dec 31, 2018 |
| 10-K/A | FORM 10-K/A | 0001477932-16-009998 | Apr 29, 2016 | Dec 31, 2015 |
| 10-K/A | FORM 10-K/A | 0001477932-15-006798 | Nov 6, 2015 | Dec 31, 2014 |
| 10-K/A | FORM 10-K/A | 0001477932-12-004956 | Dec 21, 2012 | Dec 31, 2011 |