Company filings profile · CIK 0000064463
Soluna Holdings, Inc — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Soluna Holdings, Inc (SLNH): 37 filings in the last 90 days vs 55 in the prior 90 (filing-velocity cooling ↓ · 0.67×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 29, 2026. Source-linked, daily-refreshed.
Material 8-K events — Soluna Holdings, Inc
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 28, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 14, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 9, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 8, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 25, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 24, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 13, 2026 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 5, 2026 | Regulation FD Disclosure | ↗ |
| Jul 30, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 24, 2026 | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Jul 16, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 14, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 25, 2026 | Amendments to Bylaws/Charter; Financial Statements and Exhibits | ↗ |
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Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 28, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 24, 2026 | 4 | 4 | ↗ |
| Sep 17, 2026 | 4 | 4 | ↗ |
| Sep 17, 2026 | 4 | 4 | ↗ |
| Sep 14, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 9, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 8, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 4, 2026 | 4 | 4 | ↗ |
| Sep 3, 2026 | 144 | ↗ | |
| Sep 1, 2026 | 4 | 4 | ↗ |
| Sep 1, 2026 | 4 | 4 | ↗ |
| Sep 1, 2026 | 144 | ↗ | |
| Aug 31, 2026 | 4 | 4 | ↗ |
| Aug 27, 2026 | 4 | 4 | ↗ |
| Aug 27, 2026 | 4 | 4 | ↗ |
| Aug 25, 2026 | 4 | 4 | ↗ |
| Aug 25, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 24, 2026 | 4 | 4 | ↗ |
| Aug 24, 2026 | ARS | ARS | ↗ |
| Aug 24, 2026 | DEF 14A | DEF 14A | ↗ |
| Aug 24, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 21, 2026 | 4 | 4 | ↗ |
| Aug 19, 2026 | 144 | ↗ | |
| Aug 18, 2026 | 4 | 4 | ↗ |
| Aug 14, 2026 | PRE 14A | PRE 14A | ↗ |
| Aug 13, 2026 | 10-Q | 10-Q | ↗ |
| Aug 13, 2026 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 5, 2026 | SCHEDULE 13G | ↗ | |
| Aug 5, 2026 | 8-K | Regulation FD Disclosure | ↗ |
| Aug 4, 2026 | 4 | 4 | ↗ |
| Jul 30, 2026 | SCHEDULE 13G | ↗ | |
| Jul 30, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 28, 2026 | S-8 | S-8 | ↗ |
| Jul 24, 2026 | 8-K | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Jul 21, 2026 | 3 | 3 | ↗ |
| Jul 16, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 14, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 25, 2026 | 8-K | Amendments to Bylaws/Charter; Financial Statements and Exhibits | ↗ |
| Jun 22, 2026 | 4 | 4 | ↗ |
| Jun 17, 2026 | 4 | 4 | ↗ |