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| Keyboard |
| Mechanical Technology Inc | |
|---|---|
| Ticker | SLNH |
| CIK # | 0000064463 |
| CUSIP | 583543103 |
| Sector | Life Sciences - Measuring & Controlling Devices, Nec |
| Address | 431 New Karner Road Building #4, Albany, NY 12205 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Soluna Holdings Inc | 2022-12-20 | Exemption: 506(b) · Remaining: $85,500 · Duration: One year or less · Revenue: Decline to Disclose | |
| Mechanical Technology Inc | 2020-12-18 | 0.0 M | Exemption: 506(b) · Duration: One year or less · Revenue: $5,000,001 - $25,000,000 |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000064463] | 10-K | |
| [0000064463] | 10-Q | |
| [0000064463] | 3 | |
| [0000064463] | 4 | |
| [0000064463] | 8-K | |
| [0000064463] | D | |
| [0000064463] | SC 13D | |
| [0000064463] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Thomas Jessica L
Common Stock
|
2026-01-01 | Grant | 460,000 | $0.00 | |
|
Phelan William P
Common Stock
|
2025-12-16 | Sell | 1,300 | $1.41 | 1,833 |
|
Michaels David C
9.0% Series A Cumulative Perpetual Preferred Stock
|
2025-12-12 | Sell | 5,669 | $9.26 | 52,495 |
|
Michaels David C
Common Stock
|
2025-12-12 | Sell | 1,017 | $2.19 | 2,227 |
|
Hirshfield Edward R
9.0% Series A Cumulative Perpetual Preferred Stock
|
2025-12-12 | Sell | 2,000 | $9.76 | 19,520 |
|
Phelan William P
9.0% Series A Cumulative Perpetual Preferred Stock
|
2025-12-11 | Sell | 3,737 | $9.52 | 35,576 |
|
Hirshfield Edward R
9.0% Series A Cumulative Perpetual Preferred Stock
|
2025-12-11 | Sell | 741 | $9.90 | 7,336 |
|
Hirshfield Edward R
9.0% Series A Cumulative Perpetual Preferred Stock
|
2025-12-10 | Sell | 2,000 | $9.70 | 19,400 |
|
Phelan William P
9.0% Series A Cumulative Perpetual Preferred Stock
|
2025-12-10 | Sell | 7,001 | $9.58 | 67,070 |
|
Common Stock
|
2025-12-01 | Grant | 226,108 | $0.00 | |
|
Common Stock
|
2025-12-01 | Grant | 2,861,788 | $0.00 | |
|
Lipman Matthew E
Common Stock
|
2025-12-01 | Grant | 685,074 | $0.00 | |
|
Phelan William P
Common Stock
|
2025-12-01 | Grant | 917,932 | $0.00 | |
|
Budzyn Agnieszka Teresa
Common Stock
|
2025-12-01 | Grant | 350,000 | $0.00 | |
|
OReilly Mary Jennifer
Common Stock
|
2025-12-01 | Grant | 685,074 | $0.00 | |
|
Hirshfield Edward R
Common Stock
|
2025-12-01 | Grant | 685,074 | $0.00 | |
|
Hazelip William
Common Stock
|
2025-12-01 | Grant | 685,074 | $0.00 | |
|
Toporek Michael
Common Stock
|
2025-12-01 | Grant | 6,894,614 | $0.00 | |
|
Belizaire John
Common Stock
|
2025-12-01 | Grant | 2,861,788 | $0.00 | |
|
Common Stock
|
2025-12-01 | Tax withheld | 20,979 | $1.63 | 34,196 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 44 | 10,297,257 |
| 2025-12-31 | 45 | 12,344,499 |
| 2025-09-30 | 35 | 2,809,814 |
| 2025-06-30 | 21 | 530,205 |
| 2025-03-31 | 21 | 619,840 |
| 2024-12-31 | 25 | 396,525 |
| 2024-09-30 | 24 | 341,637 |
| 2024-06-30 | 16 | 65,998 |
| 2024-03-31 | 14 | 66,792 |
| 2023-12-31 | 13 | 61,787 |
| 2023-09-30 | 20 | 710,421 |
| 2023-06-30 | 20 | 926,941 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| RFG Advisory LLC | [2026-06-30] | SOLE | 0 | 100,000 |
| Activest Wealth Management | [2026-06-30] | SOLE | 0 | 83,000 |
| Lauer Wealth LLC | [2026-06-30] | SOLE | 0 | 50,000 |
| Wealth Enhancement Advisory Services LLC | [2026-06-30] | SOLE | 0 | 15,410 |
| Merit Financial Group LLC | [2026-06-30] | SOLE | 0 | 13,299 |
| Farther Finance Advisors LLC | [2026-06-30] | SOLE | 0 | 4,260 |
| IFP Advisors LLC | [2026-06-30] | SOLE | 2,000 | 2,000 | Prev | Page 1 | Next |