Soluna Holdings, Inc — PRE 14A Filings
19 PRE 14A filings on record
This page lists all PRE 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 19 PRE 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 |
|---|---|---|---|---|
| PRE 14A | PRE 14A | 0001493152-25-016867 | Oct 3, 2025 | — |
| PRE 14A | PRE 14A | 0001641172-25-018420 | Jul 9, 2025 | Dec 31, 2024 |
| PRE 14A | — | 0001493152-24-041454 | Oct 17, 2024 | — |
| PRE 14A | — | 0001493152-24-015319 | Apr 19, 2024 | — |
| PRE 14A | — | 0001493152-23-018315 | May 19, 2023 | — |
| PRE 14A | — | 0001493152-23-002482 | Jan 25, 2023 | — |
| PRE 14A | PRE 14A | 0001753926-22-001233 | Sep 6, 2022 | — |
| PRE 14A | — | 0001003297-21-000048 | Apr 30, 2021 | Jun 9, 2021 |
| PRE 14A | — | 0001003297-21-000009 | Feb 12, 2021 | Mar 25, 2021 |
| PRE 14A | — | 0000921895-18-000177 | Jan 17, 2018 | — |
| PRE 14A | PREPROXY-14A_03272008 | 0000064463-08-000006 | Mar 27, 2008 | May 15, 2008 |
| PRE 14A | MECHANICAL TECHNOLOGY INCORPORATED PRELIMINARY PROXY 04/06/2006 | 0000064463-07-000011 | Apr 6, 2007 | Jun 18, 2007 |
| PRE 14A | MECHANICAL TECHNOLOGY INCORPORATED - PRE PROXY 03/16/06 | 0000064463-06-000019 | Mar 16, 2006 | May 28, 2006 |
| PRE 14A | MECHANICAL TECHNOLOGY INC. - PRE PROXY 04/27/05 | 0000064463-05-000026 | Apr 27, 2005 | Jun 28, 2005 |
| PRE 14A | MECHANICAL TECHNOLOGY INC. - PRE 14A 05/05/04 | 0000064463-04-000016 | May 5, 2004 | Jun 24, 2004 |
| PRE 14A | MECHANICAL TECHNOLOGY INC. - PRE 14A 02/22/01 | 0000064463-01-500010 | Feb 22, 2001 | Apr 24, 2001 |
| PRE 14A | PRELIMINARY PROXY STMT - MECHANICAL TECHNOLOGY INC | 0000064463-00-000010 | Jan 31, 2000 | Mar 16, 2000 |
| PRE 14A | PRELIMINARY PROXY STMT - MECHANICAL TECHNOLOGY INC | 0000064463-99-000003 | Feb 3, 1999 | Mar 18, 1999 |
| PRE 14A | PRELIMINARY PROXY STMT - MECHANICAL TECHNOLOGY INC | 0000064463-98-000006 | Feb 25, 1998 | Apr 15, 1998 |