Soluna Holdings Inc.

Last updated September 27, 2026

Organization details

Legal name
Soluna Holdings Inc.
Former names
Mechanical Technology Inc
Ownership
Public
Status
Active
SIC code
6199 — Finance Services
Jurisdiction of incorporation
Nevada
Headquarters city
Albany
Headquarters state / province
New York
Headquarters country
United States
Fiscal year end
December
Ticker symbol
SLNH
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0000064463
EIN
14-1462255

Board of directors

Chief executives

John Belizaire · Chief Executive Officer
Dates unknown

Director election results

Annual meeting of June 29, 2023. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

2 of this board's directors also sit on 1 other board.

Network of Soluna Holdings Inc.'s board connections Capstone Holding Corp. Capstone Holding Corp. Matthew E. Lipman Matthew E. Lipman Michael Toporek Michael Toporek Soluna Holdings Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$280,000
5 purchases by 2 insiders
Sold, last 12 months
$1,357,571
40 sales by 7 insiders
Date Insider Transaction Shares Price Value
Sep 23, 2026 Thomas Jessica L. Officer (Chief Accounting Officer) Open-market sale −30,000 $1.26 $37,800
Sep 3, 2026 William P. Phelan Director Open-market sale −12,037 $1.12 $13,481
Sep 1, 2026 John Belizaire Director, Officer (Chief Executive Officer) Open-market sale −1,000 $11.91 $11,910
Sep 1, 2026 OReilly Mary Jennifer Officer (Chief People Officer) Shares withheld for tax −16,189 $1.05 $16,998
Sep 1, 2026 Thomas Jessica L. Officer (Chief Accounting Officer) Shares withheld for tax −5,343 $1.05 $5,610
Aug 31, 2026 William P. Phelan Director Open-market sale −3,188 $12.08 $38,511
Aug 28, 2026 PICCHI MICHAEL Officer (Chief Financial Officer) Open-market purchase +20,000 $1.13 $22,600
Aug 28, 2026 William P. Phelan Director Open-market sale −5,039 $12.25 $61,728
Aug 27, 2026 William P. Phelan Director Open-market sale −8,099 $12.08 $97,836
Aug 26, 2026 John Belizaire Director, Officer (Chief Executive Officer) Open-market purchase +50,000 $1.20 $60,000
Aug 26, 2026 William P. Phelan Director Open-market sale −1,862 $12.09 $22,512
Aug 25, 2026 William P. Phelan Director Open-market sale −5,000 $12.00 $60,000
Aug 24, 2026 PICCHI MICHAEL Officer (Chief Financial Officer) Open-market purchase +10,000 $1.14 $11,400
Aug 24, 2026 William P. Phelan Director Open-market sale −5,000 $11.66 $58,300
Aug 21, 2026 William P. Phelan Director Open-market sale −8,843 $12.29 $108,680

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