Notice of Proposed Sale · 144
Soluna Holdings, Inc.
SLNHNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Soluna Holdings, Inc
- Issuer CIK
- 0000064463
- SEC file number
- 001-40261
- Phone
- 518-218-2500
- Person for whose account securities are to be sold
- Phelan William P
- Relationships to issuer
- Director
- Street
- 325 WASHINGTON AVENUE EXTENSION
- City
- ALBANY
- State / country code
- NY
- Postal code
- 12205
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Preferred Stock | 43,188 | 539,418.12 | 244,590,575 | 08/19/2026 | NASDAQ | Charles Schwab Corp. |
Broker / market maker — proposed row 1, entry 1
- Name
- Charles Schwab Corp.
- Street
- 3000 Schwab Way
- City
- Westlake
- State / country code
- TX
- Postal code
- 76262
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Preferred Stock | 06/01/2026 | Stock Grant | Issuer | 43,188 | N | 06/01/2026 | Equity Compensation |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| William Phelan | Preferred Stock | 06/17/2026 | 10,113 | 108,661.79 |
| William Phelan | Preferred Stock | 06/18/2026 | 4,813 | 52,916.41 |
| William Phelan | Preferred Stock | 06/22/2026 | 3,074 | 33,791.90 |
Seller — prior-sale row 1, entry 1
- Name
- William Phelan
- Street
- 325 WASHINGTON AVENUE EXTENSION,
- City
- ALBANY
- State / country code
- NY
- Postal code
- 12205
Seller — prior-sale row 2, entry 1
- Name
- William Phelan
- Street
- 325 WASHINGTON AVENUE EXTENSION,
- City
- ALBANY
- State / country code
- NY
- Postal code
- 12205
Seller — prior-sale row 3, entry 1
- Name
- William Phelan
- Street
- 325 WASHINGTON AVENUE EXTENSION
- City
- ALBANY
- State / country code
- NY
- Postal code
- 12205
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Notice signature
- Notice date
- 08/19/2026
- Signed
- William Phelan
Company context
We are currently developing new infrastructure projects intended to support AI and HPC workloads. These efforts include engagement with potential joint venture partners, conducting site and feasibility studies, securing access to power and land, and performing other early-stage development activities.
Current securities
Historical securities (1)
Recent company filings
- Regulation FD DisclosureOct 26, 2026
- Entry into a Material Definitive Agreement · Unregistered Sales of Equity SecuritiesOct 21, 2026
- Regulation FD DisclosureOct 21, 2026
- Regulation FD DisclosureOct 20, 2026
- Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year · Submission of Matters to a Vote of Security HoldersOct 19, 2026