Soluna Holdings, Inc

SIC Services-Computer Processing & Data Preparation
Headquarters Albany, NY
Financials
FORMNAMEDATE FILED
10-KFY 20253/30/202610-QQ311/14/202510-QQ28/14/2025ARSAnnual Report to Security Holders7/21/202510-QQ15/15/202510-KFY 20243/31/202510-QQ311/14/2024
Prospectuses and Registrations
FORMNAMEDATE FILED
424B5Prospectus4/1/2026S-3/ARegistration statement under Securities Act of 19333/30/2026S-3Registration statement under Securities Act of 19333/9/2026DRSDraft Registration Statement1/12/2026424B5Prospectus12/5/2025S-8Securities to be offered to employees in employee benefit plans11/21/2025424B3Prospectus11/17/2025
Proxies
FORMNAMEDATE FILED
DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material10/27/2025DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material10/20/2025DEF 14AOther definitive proxy statements10/14/2025PRE 14AOther preliminary proxy statements10/3/2025DEF 14AOther definitive proxy statements7/21/2025PRE 14AOther preliminary proxy statements7/9/2025DEF 14AOther definitive proxy statements10/28/2024
News
FORMNAMEDATE FILED
8-KFinancial Statements and Exhibits3/31/20268-KResults of Operations and Financial Condition3/30/20268-KRegulation FD Disclosure3/10/20268-KRegulation FD Disclosure2/17/20268-KRegulation FD Disclosure2/12/20268-KRegulation FD Disclosure2/10/20268-KRegulation FD Disclosure2/3/2026
Ownership
FORMNAMEDATE FILED
3Picchi Michael4/1/20264Thomas Jessica L.1/5/20264Phelan William P12/17/2025144Phelan William P12/16/20254Michaels David C12/15/20254Hirshfield Edward R12/12/20254Phelan William P12/12/2025
Others
FORMNAMEDATE FILED
EFFECTNotice of Effectiveness3/30/2026SCHEDULE 13G2/11/2026SCHEDULE 13G/A11/12/2025SCHEDULE 13G/A11/7/2025UPLOADSEC-generated letter9/29/2025SCHEDULE 13G9/18/2025SCHEDULE 13G7/18/2025