Soluna Holdings (SLNH) CAO sells 2,500 preferred shares in open-market trade

Rhea-AI Filing Summary

Soluna Holdings, Inc Chief Accounting Officer Jessica L. Thomas reported an open-market sale of 2,500 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.90 per share. After this transaction, she directly holds 900 preferred shares.

Insider Trade Summary

Net Seller: 2,500 shares ($27,250)

Net Sell 1 txn

Insider Thomas Jessica L.

Role Chief Accounting Officer

Sold 2,500 shs ($27K)

Type	Security	Shares	Price	Value
Sale	9.0% Series A Cumulative Perpetual Preferred Stock	2,500	$10.90	$27K

Holdings After Transaction: 9.0% Series A Cumulative Perpetual Preferred Stock — 900 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 2,500 shares Sale price: $10.90 per share Shares owned after: 900 shares +1 more

4 metrics

Shares sold 2,500 shares 9.0% Series A Cumulative Perpetual Preferred Stock

Sale price $10.90 per share Open-market sale on 2026-06-10

Shares owned after 900 shares Direct holdings of preferred stock after transaction

Net share change -2,500 shares Net sell direction per transaction summary

Key Terms

9.0% Series A Cumulative Perpetual Preferred Stock, open-market sale, transaction code "S", Form 4

4 terms

9.0% Series A Cumulative Perpetual Preferred Stock financial

"security_title: "9.0% Series A Cumulative Perpetual Preferred Stock""

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.

transaction code "S" regulatory

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

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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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 [ SLNHP ]

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)
06/10/2026

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
9.0% Series A Cumulative Perpetual Preferred Stock	06/10/2026		S		2,500	D	$10.9	900	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	06/12/2026
	** 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) report in this Form 4?

Soluna Holdings reported that Chief Accounting Officer Jessica L. Thomas sold 2,500 shares of its 9.0% Series A Cumulative Perpetual Preferred Stock in an open-market transaction, as disclosed in the Form 4 insider trading report.

What price did Jessica L. Thomas receive for Soluna Holdings preferred shares?

Jessica L. Thomas sold 2,500 shares of Soluna Holdings’ 9.0% Series A Cumulative Perpetual Preferred Stock at $10.90 per share. This was an open-market sale, meaning the trade occurred on the public market rather than through a private agreement.

How many Soluna Holdings preferred shares does the insider hold after the sale?

After the reported sale, Chief Accounting Officer Jessica L. Thomas directly holds 900 shares of Soluna Holdings’ 9.0% Series A Cumulative Perpetual Preferred Stock. This figure represents her remaining direct ownership in that preferred security following the transaction.

Was the Soluna Holdings insider trade a buy or sell transaction?

The Soluna Holdings insider transaction was a sale. The Form 4 shows transaction code “S” and describes it as an open-market sale, indicating that shares were disposed of rather than acquired in this particular filing.

Which security class was involved in the Soluna Holdings Form 4 transaction?

The transaction involved Soluna Holdings’ 9.0% Series A Cumulative Perpetual Preferred Stock. This is a preferred equity security, different from common stock, typically carrying a stated dividend rate and priority over common shares for dividend payments.