Soluna Holdings, Inc. develops and operates data centers that utilize renewable energy, including excess or curtailed power, to support energy-intensive computing applications. The company is involved in cryptocurrency mining and provides data center hosting services for third-party customers. It operates through the following segments: Cryptocurrency Mining, Data Center Hosting, and High-Performance Computing Services. The Cryptocurrency Mining segment generates revenue from its mining activities. The Data Center Hosting segment operates a data center from the company's computing facility in Calvert City, Kentucky. The High-Performance Computing Services segment provides computing infrastructure and related services for data-intensive workloads. The company was founded in 1961 and is headquartered in Albany, NY. |  |
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 | Executive ChairmanMr. Michael M. Toporek III CEO & DirectorMr. John Belizaire CFOMr. Michael D. Picchi Vice President of OperationsMr. Jim Reynolds Chief Accounting Officer & Corporate SecretaryMs. Jessica L. Thomas |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Phelan William P | Director | Jun 17 '26 | Sale | 10.75 | 10,113 | 108,715 | 114,120 | Jun 22 04:30 PM | | Phelan William P | Director | Jun 18 '26 | Sale | 11.00 | 4,813 | 52,943 | 109,307 | Jun 22 04:30 PM | | Phelan William P | Director | Jun 22 '26 | Sale | 11.00 | 3,074 | 33,814 | 106,233 | Jun 22 04:30 PM | | Thomas Jessica L. | Chief Accounting Officer | Jun 15 '26 | Sale | 1.70 | 4,838 | 8,225 | 1,516,760 | Jun 17 04:30 PM | | Phelan William P | Director | Jun 17 '26 | Proposed Sale | 10.70 | 18,000 | 192,600 | | Jun 17 11:19 AM | | OReilly Mary Jennifer | Chief People Officer | Jun 10 '26 | Sale | 10.80 | 5,729 | 61,873 | 1,071 | Jun 12 04:36 PM | | OReilly Mary Jennifer | Chief People Officer | Jun 11 '26 | Sale | 11.10 | 1,071 | 11,888 | 0 | Jun 12 04:36 PM | | Thomas Jessica L. | Chief Accounting Officer | Jun 10 '26 | Sale | 10.90 | 2,500 | 27,250 | 900 | Jun 12 04:35 PM | | OReilly Mary Jennifer | Chief People Officer | Jun 08 '26 | Sale | 10.80 | 6,600 | 71,280 | 6,800 | Jun 10 05:03 PM | | Bottomley John | Director | Jun 01 '26 | Sale | 10.00 | 1,000 | 10,004 | 26,489 | Jun 03 04:30 PM | | Belizaire John | Chief Executive Officer | Jun 01 '26 | Sale | 10.40 | 1,000 | 10,400 | 99,042 | Jun 01 04:19 PM | | Belizaire John | Officer | Jun 01 '26 | Proposed Sale | 10.40 | 1,000 | 10,400 | | Jun 01 10:11 AM | | PICCHI MICHAEL | Chief Financial Officer | May 21 '26 | Buy | 1.63 | 100,000 | 163,200 | 1,381,250 | May 22 04:30 PM | | Belizaire John | Chief Executive Officer | Apr 06 '26 | Sale | 7.25 | 1,000 | 7,250 | 100,042 | Apr 08 04:30 PM | | Belizaire John | Officer | Apr 06 '26 | Proposed Sale | 7.25 | 1,000 | 7,250 | | Apr 06 10:38 AM | | Phelan William P | Director | Dec 16 '25 | Sale | 1.41 | 1,300 | 1,833 | 1,318,715 | Dec 17 04:30 PM | | Phelan William P | Director | Dec 16 '25 | Proposed Sale | 1.57 | 1,301 | 2,043 | | Dec 16 01:41 PM | | MICHAELS DAVID C | Chief Financial Officer | Dec 12 '25 | Sale | 8.18 | 6,686 | 54,722 | 52,977 | Dec 15 04:30 PM | | Hirshfield Edward R | Director | Dec 12 '25 | Sale | 9.76 | 2,000 | 19,520 | 9,007 | Dec 12 04:30 PM | | Hirshfield Edward R | Director | Dec 10 '25 | Sale | 9.70 | 2,000 | 19,400 | 11,748 | Dec 12 04:30 PM | | Hirshfield Edward R | Director | Dec 11 '25 | Sale | 9.90 | 741 | 7,336 | 11,007 | Dec 12 04:30 PM | | Phelan William P | Director | Dec 10 '25 | Sale | 9.58 | 7,001 | 67,070 | 127,970 | Dec 12 04:30 PM | | Phelan William P | Director | Dec 11 '25 | Sale | 9.52 | 3,737 | 35,576 | 124,233 | Dec 12 04:30 PM | | MICHAELS DAVID C | Officer | Dec 11 '25 | Proposed Sale | 9.88 | 5,669 | 56,000 | | Dec 11 07:36 AM | | Hirshfield Edward R | Director | Nov 28 '25 | Sale | 8.75 | 1,000 | 8,750 | 13,748 | Dec 02 05:23 PM | | Hirshfield Edward R | Director | Nov 21 '25 | Sale | 7.19 | 2,000 | 14,387 | 15,748 | Nov 25 05:08 PM | | Hirshfield Edward R | Director | Nov 24 '25 | Sale | 8.00 | 1,000 | 8,000 | 14,748 | Nov 25 05:08 PM | | Belizaire John | Chief Executive Officer | Nov 21 '25 | Sale | 1.44 | 9,222 | 13,323 | 1,212,478 | Nov 25 05:06 PM | | Phelan William P | Director | Nov 20 '25 | Sale | 7.80 | 500 | 3,900 | 171,471 | Nov 21 04:30 PM | | Phelan William P | Director | Nov 19 '25 | Sale | 7.58 | 100 | 758 | 171,971 | Nov 21 04:30 PM | | Belizaire John | Officer | Nov 21 '25 | Proposed Sale | 1.49 | 9,222 | 13,695 | | Nov 21 11:03 AM | | Phelan William P | Director | Nov 19 '25 | Proposed Sale | 8.45 | 11,338 | 95,806 | | Nov 19 09:31 AM |
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