Soluna Holdings, Inc — SC 13D/A Filings
30 SC 13D/A filings on record
This page lists all SC 13D/A filings submitted to the SEC by Soluna Holdings, Inc (SLNHP), sorted by most recent first. Each row links to the full filing on EdgarLookup. Soluna Holdings, Inc has filed 30 SC 13D/A documents with the SEC since 2006. To view all SEC filings by Soluna Holdings, Inc, see the full filings list.
All
10-12G
10-12G/A
10-C
10-K
10-K/A
10-Q
10-Q/A
10-QT
11-K
144
15-12G
25
3
3/A
4
4/A
40-6C/A
424B1
424B3
424B4
424B5
424B7
424B8
5
5/A
8-A12B
8-A12G
8-A12G/A
8-K
8-K/A
APP WD
ARS
AW
CERT
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFC14A
DEFS14A
DRS
EFFECT
FWP
NT 10-K
NT 10-K/A
POS AM
PRE 14A
PREC14A
PREM14A
PRER14A
PRES14A
RW
S-1
S-1/A
S-1MEF
S-2
S-2/A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E3
SC 13E3/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13D/A | SCHEDULE 13D/A | 0001235126-24-000026 | Apr 26, 2024 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001235126-24-000024 | Apr 25, 2024 | — |
| SC 13D/A | SCHEDULE 13D-A | 0001235126-24-000011 | Feb 14, 2024 | — |
| SC 13D/A | SCHEDULE 13DA | 0001987877-23-000001 | Sep 5, 2023 | — |
| SC 13D/A | AMENDMENT TO SCHEDULE 13D | 0000950123-05-015142 | Dec 23, 2005 | — |
| SC 13D/A | AMENDMENT NO. 7 TO SCHEDULE 13D | 0000950123-05-014752 | Dec 14, 2005 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 8/26/05 | 0000064463-05-000059 | Aug 26, 2005 | — |
| SC 13D/A | AMENDMENT NO. 6 TO SCHEDULE 13D | 0000950123-05-009106 | Jul 29, 2005 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 6/24/05 | 0000064463-05-000043 | Jun 30, 2005 | — |
| SC 13D/A | AMENDMENT NO.5 TO SCHEDULE 13D | 0000950123-05-007503 | Jun 17, 2005 | — |
| SC 13D/A | AMENDMENT #4 TO SCHEDULE 13D | 0000950123-05-006905 | May 31, 2005 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 08/20/03 | 0000064463-03-000071 | Aug 20, 2003 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 07/18/03 | 0000064463-03-000063 | Jul 22, 2003 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 03/21/03 | 0000064463-03-000018 | Mar 24, 2003 | — |
| SC 13D/A | AMENDMENT NO.3 TO SCHEDULE 13D | 0000950123-03-000037 | Jan 3, 2003 | — |
| SC 13D/A | AMENDMENT NO. 2 TO SCHEDULE 13D | 0000950123-02-012256 | Dec 26, 2002 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 12/20/02 | 0000064463-02-000058 | Dec 24, 2002 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 11/14/02 | 0000064463-02-000048 | Nov 14, 2002 | — |
| SC 13D/A | AMENDMENT #1 TO SCHEDULE 13D: MECHANICAL TECH | 0000950123-02-006897 | Jul 10, 2002 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. - FORM 13D/A 05/15/02 | 0000064463-02-000020 | May 15, 2002 | — |
| SC 13D/A | MECHANICAL TECHNOLOGY INC. 13D/A 09/28/01 | 0000064463-01-500038 | Oct 5, 2001 | — |
| SC 13D/A | PLUG POWER 13DA 06/12/01 | 0000064463-01-500030 | Jun 12, 2001 | — |
| SC 13D/A | PLUG POWER 13DA 05/16/01 | 0000064463-01-500026 | May 16, 2001 | — |
| SC 13D/A | PLUG POWER FORM 13DA 04/09/01 | 0000064463-01-500014 | Apr 10, 2001 | — |
| SC 13D/A | PLUG POWER 13DA - DECEMBER 27, 2000 | 0000064463-01-500003 | Feb 9, 2001 | — |
| SC 13D/A | — | 0000064463-98-000025 | Nov 23, 1998 | — |
| SC 13D/A | SC 13D AMENDMENT NO. 4 FOR FIRST ALBANY COMPANIES | 0000896058-96-000083 | May 21, 1996 | — |
| SC 13D/A | SC 13D AMENDMENT NO. 3 FOR FIRST ALBANY COMPANIES | 0000896058-96-000071 | May 8, 1996 | — |
| SC 13D/A | SC 13D AMENDMENT NO. 2 FOR FIRST ALBANY COMPANIES | 0000896058-96-000054 | Apr 26, 1996 | — |
| SC 13D/A | SC 13D AMENDMENT NO. 1 FOR FIRST ALBANY COMPANIES | 0000896058-96-000047 | Apr 19, 1996 | — |