Soluna Holdings (SLNH) CEO boosts stake, not under 10b5-1 plan

Rhea-AI Filing Summary

Soluna Holdings, Inc (SLNH) reported that its Chief Executive Officer and director, John Belizaire, purchased 50,000 shares of common stock on 2026-08-26 at $1.20 per share in an open-market or private transaction. Following this buy, he directly holds 7,063,105 shares of Soluna common stock. The filing indicates the Rule 10b5-1 checkbox was not marked as an affirming trading plan.

Insider Trade Summary

Net Buyer: 50,000 shares

Net Buy 1 txn

Insider Belizaire John

Role Chief Executive Officer

Bought 50,000 shs ($60K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	50,000	$1.20	$60K

Holdings After Transaction: Common Stock — 7,063,105 shares (Direct)

Key Figures

Shares purchased: 50,000 shares of Common Stock Purchase price per share: $1.20 per share Shares owned after transaction: 7,063,105 shares +1 more

4 metrics

Shares purchased 50,000 shares of Common Stock Purchase on 2026-08-26 reported by CEO John Belizaire

Purchase price per share $1.20 per share Price for the 50,000-share purchase on 2026-08-26

Shares owned after transaction 7,063,105 shares Direct holdings of John Belizaire following the purchase

Net buy shares 50,000 shares Net buy activity across all reported transactions in this Form 4

Key Terms

Form 4, non-derivative, Rule 10b5-1

3 terms

Form 4 regulatory

"reported on this Form 4 transaction by the company’s CEO"

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.

non-derivative financial

"The reported transaction involves Common Stock as a non-derivative security"

Rule 10b5-1 regulatory

"The filing’s Rule 10b5-1 checkbox is not affirmed"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

What insider transaction did SLNH CEO John Belizaire report on this Form 4?

He reported a purchase of 50,000 shares of Soluna Holdings, Inc common stock on 2026-08-26 at $1.20 per share in an open-market or private transaction.

How many SLNH shares does CEO John Belizaire own after this transaction?

After the reported transaction, John Belizaire directly owns 7,063,105 shares of Soluna Holdings, Inc common stock, according to the Form 4.

Was the SLNH CEO’s 50,000-share purchase under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not affirmed (set to false), indicating the reported 50,000-share purchase was not identified as being made under an affirmed Rule 10b5-1 trading plan.

What price did the SLNH CEO pay for the 50,000 shares of common stock?

John Belizaire paid $1.20 per share for the 50,000 shares of Soluna Holdings, Inc common stock reported in this Form 4 transaction.

Is the reported SLNH insider transaction in common stock or derivatives?

The reported transaction involves Common Stock as a non-derivative security. No derivative transactions are listed in this Form 4 for John Belizaire.

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Available on EDGAR 08/27/2026 - 06:56 PM Accepted by SEC EDGAR 08/27/2026 - 06:56 PM Learn about SEC filing dates

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^*

Belizaire John

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2026

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	08/26/2026		P		50,000	A	$1.2	7,063,105	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	08/27/2026
	** 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)