Soluna Holdings (SLNH) CAO sells 4,838 shares in open-market trade

Rhea-AI Filing Summary

Soluna Holdings, Inc. Chief Accounting Officer Jessica L. Thomas reported an open-market sale of 4,838 shares of Common Stock at $1.70 per share. After this transaction, she directly holds 1,516,760 shares. This filing reflects a relatively small sale compared with her remaining position.

Insider Trade Summary

Net Seller: 4,838 shares ($8,225)

Net Sell 1 txn

Insider Thomas Jessica L.

Role Chief Accounting Officer

Sold 4,838 shs ($8K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,838	$1.70	$8K

Holdings After Transaction: Common Stock — 1,516,760 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 4,838 shares Sale price: $1.70 per share Shares held after sale: 1,516,760 shares +1 more

4 metrics

Shares sold 4,838 shares Common Stock sold in open-market transaction

Sale price $1.70 per share Price for the 4,838-share open-market sale

Shares held after sale 1,516,760 shares Direct ownership following the reported transaction

Net shares sold 4,838 shares Net change in Common Stock holdings in this Form 4

Key Terms

open-market sale, Common Stock, transaction code "S"

3 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

transaction code "S" financial

"transaction_code_description: "Sale in open market or private transaction""

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Thomas Jessica L.

(Last) (First) (Middle)

C/O SOLUNA HOLDINGS, INC.

325 WASHINGTON AVENUE EXTENSION

(Street)

ALBANY NEW YORK 12205

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Soluna Holdings, Inc [ SLNH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/15/2026		S		4,838	D	$1.7	1,516,760	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Christopher Gandolfo, Attorney in Fact	06/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Soluna Holdings (SLNH) disclose in this Form 4?

Soluna Holdings disclosed that Chief Accounting Officer Jessica L. Thomas sold 4,838 shares of Common Stock in an open-market transaction at $1.70 per share, leaving her with 1,516,760 directly owned shares after the sale.

How many Soluna Holdings (SLNH) shares did the CAO sell and at what price?

Chief Accounting Officer Jessica L. Thomas sold 4,838 shares of Soluna Holdings Common Stock at $1.70 per share. This was reported as an open-market sale and is classified in the filing with transaction code “S,” indicating a sale in the market.

How many Soluna Holdings (SLNH) shares does the insider hold after this sale?

Following the reported transaction, Chief Accounting Officer Jessica L. Thomas holds 1,516,760 shares of Soluna Holdings Common Stock directly. This remaining stake, disclosed in the Form 4, shows that the reported 4,838-share sale is small relative to her total holdings.

Was the Soluna Holdings (SLNH) insider transaction a buy or a sell?

The transaction was a sell. The Form 4 identifies transaction code “S” and labels it as an open-market sale, with 4,838 Soluna Holdings Common Stock shares sold at $1.70 per share by Chief Accounting Officer Jessica L. Thomas.

Does the Soluna Holdings (SLNH) Form 4 show any derivative exercises?

No derivative exercises are shown. The filing reports only a single non-derivative transaction: an open-market sale of 4,838 Common Stock shares. The derivativeSummary section is empty, indicating no options or similar derivatives were exercised in this report.