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BCS

Changes in Beneficial Ownership · 4

Soluna Holdings, Inc.

SLNHNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Sep 1, 2026Accepted Sep 1, 2026, 4:30 PM EDTFiling CIK 64463Accession 0001493152-26-041022
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Structured filing — 4

ownership.xml

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Filing details

Report period
2026-08-28
Issuer
Soluna Holdings, Inc
Issuer CIK
0000064463
Trading symbol
SLNHP

Reporting owner 1

Name
Phelan William P
Reporting owner CIK
0001311899
Relationship
Director
Address
C/O SOLUNA HOLDINGS, INC., 325 WASHINGTON AVENUE EXTENSION, ALBANY, NY, 12205

Non-derivative transactions

Non-derivative transactions · 2 reported rows
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
9.0% Series A Cumulative Perpetual Preferred Stock2026-08-28S · Form 45,039D12.2566,233D
9.0% Series A Cumulative Perpetual Preferred Stock2026-08-31S · Form 43,188D12.0863,045D
Table key
S · Form 4
Sale on the market or privately
D
Direct

Signature 1

Signed
/s/ Christopher Gandolfo, Attorney in Fact
Date
2026-09-01

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

  1. Regulation FD DisclosureSep 28, 2026
  2. Regulation FD DisclosureSep 14, 2026
  3. Regulation FD DisclosureSep 9, 2026
  4. Regulation FD DisclosureSep 8, 2026
  5. 144 filingSep 3, 2026

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