David C. Michaels, CFO of Soluna Holdings ($SLNH), made one open market sale of common shares in the last year, totaling $2,227. His most recent sale occurred on December 12, 2025. This activity ranks 11,490th out of 11,678 insiders by sale value, well below the average of $8.6 million across 6.4 transactions per insider. Michaels had no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 12, 2025 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | S | 9.0% Series A Cumulative Perpetual Preferred Stock | 5669 | $9.26 | 52,977.0000 | 26,983,023 | 9.67% | 0.02% |
| Dec. 12, 2025 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | S | Common Stock | 1017 | $2.19 | 1,179,787.0000 | 26,983,023 | 0.09% | 0.00% |
| Dec. 1, 2025 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | A | Common Stock | 801222 | $0.00 | 1,180,804.0000 | 26,983,023 | 211.08% | 2.97% |
| Sept. 1, 2025 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | A | Common Stock | 116579 | $0.00 | 379,582.0000 | 14,991,125,000 | 44.33% | 0.00% |
| June 1, 2025 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 86512 | $0.00 | 263,003.0000 | 11,939,983,000 | 49.02% | 0.00% |
| Dec. 10, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | S | Common Stock | 400 | $3.15 | 176,491.0000 | 7,738,664 | 0.23% | 0.01% |
| Dec. 1, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 43044 | $0.00 | 167,791.0000 | 7,738,664 | 34.51% | 0.56% |
| Sept. 1, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 42568 | $0.00 | 124,747.0000 | 4,553,696,000 | 51.80% | 0.00% |
| Sept. 1, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 3453 | $0.00 | 82,179.0000 | 4,553,696,000 | 4.39% | 0.00% |
| June 18, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | P | Common Stock | 9100 | $3.47 | 87,826.0000 | 1,313,718 | 11.56% | 0.69% |
| June 1, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 5981 | $0.00 | 78,726.0000 | 1,313,718 | 8.22% | 0.46% |
| April 15, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | D | Stock Options (Right to Buy) | 3125 | $0.00 | 0.0000 | 1,313,718 | 100.00% | 0.24% |
| April 15, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 41176 | $0.00 | 72,745.0000 | 1,313,718 | 130.43% | 3.13% |
| April 15, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | D | Stock Options (Right to Buy) | 1064 | $0.00 | 0.0000 | 1,313,718 | 100.00% | 0.08% |
| April 15, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | 9.0% Series A Cumulative Perpetual Preferred Stock | 52977 | $0.00 | 58,646.0000 | 1,313,718 | 934.50% | 4.03% |
| April 15, 2024 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Director | A | Common Stock | 25309 | $0.00 | 31,569.0000 | 1,313,718 | 404.30% | 1.93% |
| Dec. 13, 2023 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | P | 9.0% Series A Cumulative Perpetual Preferred Stock | 2300 | $3.00 | 2,300.0000 | 0 | 9999.99% | 0.00% |
| Dec. 14, 2023 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | P | 9.0% Series A Cumulative Perpetual Preferred Stock | 369 | $3.10 | 2,669.0000 | 0 | 16.04% | 0.00% |
| Dec. 15, 2023 | Soluna Holdings, Inc | $SLNH | MICHAELS DAVID C | Chief Financial Officer | P | 9.0% Series A Cumulative Perpetual Preferred Stock | 3000 | $3.25 | 5,669.0000 | 0 | 112.40% | 0.00% |