CIK 0000064463 · Non-accelerated filer<br>Smaller reporting company
Soluna Holdings, Inc
Sign in to watch- Ticker
- SLNH
- Exchange
- Nasdaq
- Industry
- Finance Services
- FY end
- Dec 31
- Incorporated
- NV
- Entity type
- operating
- EIN
- 141462255
- Phone
- 518-218-2500
- Business address
- 325 WASHINGTON AVENUE EXTENSION, ALBANY, NY, 12205
- Former names
- MECHANICAL TECHNOLOGY INC
Securities
- SLNH Common Stock Nasdaq
- SLNHP 9.0% Series A Cumulative Perpetual Preferred Stock Nasdaq
- Open-market buys, last 90 days
- $117,000
- in 3 filings
- Open-market sales, last 90 days
- $699,359
- in 8 filings, $12K under 10b5-1 plans
Net −$582,359. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-23 | Thomas Jessica L. Chief Accounting Officer | Sale | −30,000 | $1.26 | $38K | 1,481,417 |
| 2026-09-03 | Phelan William P Director | Sale | −12,037 | $1.12 | $13K | 2,279,985 |
| 2026-09-01 | OReilly Mary Jennifer Chief People Officer | Shares withheld for taxes | −16,189 | $1.05 | $17K | 1,687,486 |
| 2026-09-01 | Thomas Jessica L. Chief Accounting Officer | Shares withheld for taxes | −5,343 | $1.05 | $6K | 1,511,417 |
| 2026-09-01 | Belizaire John Chief Executive Officer | Sale 10b5-1 | −1,000 | $11.91 | $12K | 98,042 |
| 2026-08-31 | Phelan William P Director | Sale | −3,188 | $12.08 | $39K | 63,045 |
| 2026-08-28 | Phelan William P Director | Sale | −5,039 | $12.25 | $62K | 66,233 |
| 2026-08-28 | PICCHI MICHAEL Chief Financial Officer | Purchase | +20,000 | $1.13 | $23K | 1,431,250 |
| 2026-08-27 | Phelan William P Director | Sale | −8,099 | $12.08 | $98K | 71,272 |
| 2026-08-26 | Belizaire John Chief Executive Officer | Purchase | +50,000 | $1.20 | $60K | 7,063,105 |
| 2026-08-26 | Phelan William P Director | Sale | −1,862 | $12.09 | $23K | 79,371 |
| 2026-08-25 | Phelan William P Director | Sale | −5,000 | $12.00 | $60K | 81,233 |
| 2026-08-24 | Phelan William P Director | Sale | −5,000 | $11.66 | $58K | 86,233 |
| 2026-08-24 | PICCHI MICHAEL Chief Financial Officer | Purchase | +10,000 | $1.14 | $11K | 1,411,250 |
| 2026-08-21 | Phelan William P Director | Sale | −8,843 | $12.29 | $109K | 91,233 |
| 2026-08-20 | PICCHI MICHAEL Chief Financial Officer | Purchase | +20,000 | $1.15 | $23K | 1,401,250 |
| 2026-08-20 | Phelan William P Director | Sale | −1,157 | $12.45 | $14K | 100,076 |
| 2026-08-19 | Phelan William P Director | Sale | −5,000 | $12.61 | $63K | 101,233 |
| 2026-08-17 | Hirshfield Edward R Director | Sale | −9,007 | $12.34 | $111K | 0 |
| 2026-08-01 | Carver Ryan Chief Development Officer | Grant or award | +3,200,000 | 3,200,000 |
Page 1 of 7 · 140 trades