Soluna Holdings, Inc — DEF 14A Filings
32 DEF 14A filings on record
This page lists all DEF 14A 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 32 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001493152-25-018023 | Oct 14, 2025 | — |
| DEF 14A | DEF 14A | 0001641172-25-020351 | Jul 21, 2025 | — |
| DEF 14A | — | 0001493152-24-042630 | Oct 28, 2024 | — |
| DEF 14A | — | 0001493152-24-017019 | Apr 29, 2024 | — |
| DEF 14A | — | 0001493152-23-019427 | May 30, 2023 | — |
| DEF 14A | — | 0001493152-23-004314 | Feb 10, 2023 | — |
| DEF 14A | DEF 14A | 0001753926-22-001280 | Sep 19, 2022 | Sep 29, 2022 |
| DEF 14A | DEF 14A | 0001753926-22-000498 | Apr 13, 2022 | May 27, 2022 |
| DEF 14A | DEF 14A | 0001753926-21-000548 | Oct 7, 2021 | Oct 29, 2021 |
| DEF 14A | — | 0001003297-21-000062 | May 18, 2021 | Jun 9, 2021 |
| DEF 14A | — | 0001003297-21-000012 | Feb 22, 2021 | Mar 25, 2021 |
| DEF 14A | — | 0001003297-18-000094 | Apr 20, 2018 | Jun 6, 2018 |
| DEF 14A | — | 0001003297-17-000092 | Apr 21, 2017 | Jun 7, 2017 |
| DEF 14A | — | 0001003297-16-000667 | Apr 22, 2016 | Jun 8, 2016 |
| DEF 14A | — | 0001003297-15-000180 | Apr 24, 2015 | Jun 11, 2015 |
| DEF 14A | — | 0001003297-14-000209 | Apr 25, 2014 | Jun 11, 2014 |
| DEF 14A | — | 0001003297-13-000147 | Apr 26, 2013 | Jun 12, 2013 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-12-001715 | Apr 27, 2012 | Jun 14, 2012 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-11-001029 | Apr 28, 2011 | Jun 16, 2011 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-10-001059 | Apr 28, 2010 | Jun 17, 2010 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-09-000906 | Apr 30, 2009 | Jun 18, 2009 |
| DEF 14A | DEF-PROXY14A_04082008 | 0000064463-08-000009 | Apr 8, 2008 | May 15, 2008 |
| DEF 14A | MECHANICAL TECHNOLOGY INCORPORATED DEFINITIVE PROXY 04/23/2007 | 0000064463-07-000013 | Apr 23, 2007 | Jun 18, 2007 |
| DEF 14A | MECHANICAL TECHNOLOGY INCORPORATED - DEF PROXY 03/27/06 | 0000064463-06-000021 | Mar 27, 2006 | May 18, 2006 |
| DEF 14A | MECHANICAL TECHNOLOGY INC. - DEFINITIVE PROXY 05/10/05 | 0000064463-05-000030 | May 10, 2005 | Jun 28, 2005 |
| DEF 14A | MECHANICAL TECHNOLOGY INC. DEFINITIVE PROXY 5/20/04 | 0000064463-04-000024 | May 20, 2004 | Jun 24, 2004 |
| DEF 14A | MECHANICAL TECHNOLOGY INC. - DEF 14A 04/23/03 | 0000064463-03-000043 | Apr 23, 2003 | Jun 19, 2003 |
| DEF 14A | MECHANICAL TECHNOLOGY INC. - DEFINITIVE PROXY 2002 | 0000064463-02-000003 | Jan 25, 2002 | Mar 7, 2002 |
| DEF 14A | MECHANICAL TECHNOLOGY INC. - DEFINITIVE PROXY 2001 | 0000064463-01-500011 | Mar 7, 2001 | Apr 24, 2001 |
| DEF 14A | ANNUAL MEETING 04/16/97 PROXY STATEMENT | 0000064463-97-000005 | Mar 19, 1997 | Apr 16, 1997 |
| DEF 14A | ANNUAL MEETING 3/28/96 PROXY STATEMENT | 0000064463-96-000002 | Jan 30, 1996 | Mar 28, 1996 |
| DEF 14A | ANNUAL MEETING 5/9/95 PROXY STATEMENT | 0000064463-95-000003 | Apr 17, 1995 | May 9, 1995 |