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CIK 0000064463 · Non-accelerated filer<br>Smaller reporting company

Soluna Holdings, Inc

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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Phelan William P −$539K Director sold 2% of stake
  2. Hirshfield Edward R −$111K Director sold 100% of stake
  3. Belizaire John +$48K Chief Executive Officer sold 1% of stake
  4. PICCHI MICHAEL +$57K Chief Financial Officer 2 filings
  5. Thomas Jessica L. −$38K Chief Accounting Officer sold 2% of stake

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
2026-09-01 Thomas Jessica L. Chief Accounting Officer Shares withheld for taxes −5,343 $1.05 $6K 1,511,417
2026-06-15 Thomas Jessica L. Chief Accounting Officer Sale −4,838 $1.70 $8K 1,516,760
2026-06-10 Thomas Jessica L. Chief Accounting Officer Sale −2,500 $10.90 $27K 900
2026-06-01 Thomas Jessica L. Chief Accounting Officer Grant or award +726,401 1,521,598
2026-01-01 Thomas Jessica L. Chief Accounting Officer Grant or award +460,000 795,197
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 Thomas Jessica L. Chief Accounting Officer Grant or award +226,108 338,609
2025-09-01 Thomas Jessica L. Chief Accounting Officer Grant or award +32,899 112,501
2025-06-10 Thomas Jessica L. Chief Accounting Officer Sale −3,300 $2.80 $9K 3,400
2025-06-01 Thomas Jessica L. Chief Accounting Officer Grant or award +24,414 79,602
2025-05-22 Thomas Jessica L. Chief Accounting Officer Sale −2,851 $0.77 $2K 63,188
2025-05-22 Thomas Jessica L. Chief Accounting Officer Sale −8,000 $0.78 $6K 55,188
2024-12-01 Thomas Jessica L. Chief Accounting Officer Grant or award +12,148 41,039
2024-12-01 Thomas Jessica L. Chief Accounting Officer Grant or award +25,000 66,039

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