🕵️ Soluna Holdings, Inc ($SLNH)
SEC insider & ownership activity, last 12 months · CIK 64463 · every row links its SEC filing
Over the last 12 months insiders sold $1.3M against $280K of open-market buying. William P. Phelan sold $843K (Nov–Sep). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $280K (5 lots) · 7 sellers, $1.3M (39 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| William P. Phelan | 0 | – | 18 | $843K | Sep 3, 2026 |
| Picchi Michael | 4 | $220K | 0 | – | Aug 28, 2026 |
| Edward R. Hirshfield | 0 | – | 8 | $189K | Aug 17, 2026 |
| Oreilly Mary Jennifer | 0 | – | 3 | $145K | Jun 11, 2026 |
| Belizaire John | 1 | $60K | 5 | $43K | Sep 1, 2026 |
| David C. Michaels | 0 | – | 2 | $55K | Dec 12, 2025 |
| Jessica L. Thomas | 0 | – | 2 | $35K | Jun 15, 2026 |
| Bottomley John | 0 | – | 1 | $10K | Jun 1, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Generate Strategic Credit Master Fund I-B, L.P. | 10.0% | 13G | Sep 18, 2025 | filing ↗ | |
| Generate Strategic Credit Fund GP, L.P. | 10.0% | 13G | Sep 18, 2025 | filing ↗ | |
| GCP Holdings I, LLC | 10.0% | 13G | Sep 18, 2025 | filing ↗ | |
| Generate Capital, PBC | 10.0% | 13G | Sep 18, 2025 | filing ↗ | |
| YA II PN, Ltd. | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| YA Global Investments II (U.S.), LP | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| Yorkville Advisors Global, LP | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| Yorkville Advisors Global II, LLC | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| YAII GP, LP | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| YAII GP II, LLC | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| Mark Angelo | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| SC-Sigma Global Partners, LP | 10.0% | 13G | Feb 6, 2025 | filing ↗ | |
| Robert L. Bugbee | 9.8% | 13G | Aug 5, 2026 | filing ↗ | |
| BlackRock, Inc. | 5.3% | 13G | Jul 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| William P. Phelan | $13K | Sep 3, 2026 | filing ↗ |
| Belizaire John | $12K | Sep 1, 2026 | filing ↗ |
| William P. Phelan | $539K | Aug 19, 2026 | filing ↗ |
| William P. Phelan | $193K | Jun 17, 2026 | filing ↗ |
| Belizaire John | $10K | Jun 1, 2026 | filing ↗ |
| Belizaire John | $7K | Apr 6, 2026 | filing ↗ |
| William P. Phelan | $2K | Dec 16, 2025 | filing ↗ |
| David C. Michaels | $56K | Dec 11, 2025 | filing ↗ |
| David C. Michaels | $2K | Dec 11, 2025 | filing ↗ |
| Belizaire John | $14K | Nov 21, 2025 | filing ↗ |
| William P. Phelan | $96K | Nov 19, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 24, 2026 | filing ↗ |
| Earnings (2.02) | Aug 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 14, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 9, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jun 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 23, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 3, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 3, 2026 | filing ↗ |
| Material agreement (1.01) | May 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |