Birchtech Corp. — SC 13D/A Filings
14 SC 13D/A filings on record
This page lists all SC 13D/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 14 SC 13D/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 |
|---|---|---|---|---|
| SC 13D/A | — | 0001493152-24-009861 | Mar 13, 2024 | — |
| SC 13D/A | — | 0001493152-16-015665 | Dec 5, 2016 | — |
| SC 13D/A | — | 0001493152-16-011058 | Jun 24, 2016 | — |
| SC 13D/A | — | 0001493152-16-011055 | Jun 24, 2016 | — |
| SC 13D/A | — | 0001493152-16-010880 | Jun 16, 2016 | — |
| SC 13D/A | — | 0001493152-16-010878 | Jun 16, 2016 | — |
| SC 13D/A | — | 0001493152-16-007838 | Mar 7, 2016 | — |
| SC 13D/A | — | 0001493152-16-007250 | Feb 8, 2016 | — |
| SC 13D/A | — | 0001493152-15-005700 | Nov 19, 2015 | — |
| SC 13D/A | — | 0001493152-15-004277 | Sep 10, 2015 | — |
| SC 13D/A | — | 0001493152-15-000963 | Mar 23, 2015 | — |
| SC 13D/A | DENNIS L. PELINO / CHINA YOUTH MEDIA, INC. | 0001171520-10-000406 | Jul 7, 2010 | — |
| SC 13D/A | DENNIS PELINO/DIGICORP | 0001171520-08-000343 | Jun 4, 2008 | — |
| SC 13D/A | — | 0001144204-06-002530 | Jan 24, 2006 | — |