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 |
|---|---|---|---|---|---|---|
| 2026-06-01 | Phelan William P Director | Grant or award | +973,307 | 2,292,022 | ||
| 2026-06-01 | Belizaire John Chief Executive Officer | Sale 10b5-1 | −1,000 | $10.40 | $10K | 99,042 |
| 2026-05-21 | PICCHI MICHAEL Chief Financial Officer | Purchase | +100,000 | $1.63 | $163K | 1,381,250 |
| 2026-04-06 | Belizaire John Chief Executive Officer | Sale 10b5-1 | −1,000 | $7.25 | $7K | 100,042 |
| 2026-01-01 | Thomas Jessica L. Chief Accounting Officer | Grant or award | +460,000 | 795,197 | ||
| 2025-12-16 | Phelan William P Director | Sale | −1,300 | $1.41 | $2K | 1,318,715 |
| 2025-12-12 | MICHAELS DAVID C Chief Financial Officer | Sale | −1,017 | $2.19 | $2K | 1,179,787 |
| 2025-12-12 | MICHAELS DAVID C Chief Financial Officer | Sale | −5,669 | $9.26 | $52K | 52,977 |
| 2025-12-12 | Hirshfield Edward R Director | Sale | −2,000 | $9.76 | $20K | 9,007 |
| 2025-12-11 | Hirshfield Edward R Director | Sale | −741 | $9.90 | $7K | 11,007 |
| 2025-12-11 | Phelan William P Director | Sale | −3,737 | $9.52 | $36K | 124,233 |
| 2025-12-10 | Hirshfield Edward R Director | Sale | −2,000 | $9.70 | $19K | 11,748 |
| 2025-12-10 | Phelan William P Director | Sale | −7,001 | $9.58 | $67K | 127,970 |
| 2025-12-01 | Belizaire John Chief Executive Officer | Shares withheld for taxes | −20,979 | $1.63 | $34K | 1,191,499 |
| 2025-12-01 | Belizaire John Chief Executive Officer | Grant or award | +2,861,788 | 4,053,287 | ||
| 2025-12-01 | Thomas Jessica L. Chief Accounting Officer | Shares withheld for taxes | −3,412 | $1.63 | $6K | 109,089 |
| 2025-12-01 | Thomas Jessica L. Chief Accounting Officer | Grant or award | +226,108 | 335,197 | ||
| 2025-12-01 | TOPOREK MICHAEL Director | Grant or award | +6,894,614 | 9,822,282 | ||
| 2025-12-01 | Thomas Jessica L. Chief Accounting Officer | Grant or award | +226,108 | 338,609 | ||
| 2025-12-01 | Phelan William P Director | Grant or award | +917,932 | 1,320,015 |
Page 3 of 7 · 140 trades