Was the Soluna CEO’s share sale made under a Rule 10b5-1 plan?

Yes, the Form 4 states the transaction was effected under a Rule 10b5-1 trading plan . The plan was adopted by the reporting person on December 16, 2025, indicating the sale was pre-scheduled rather than newly decided.

How large is the Soluna CEO’s reported net share change in this Form 4?

The Form 4 shows a net change of 1,000 shares sold . Transaction summary data indicates one open-market sale transaction, with no corresponding purchases or derivative exercises reported in this particular filing.

Soluna (SLNH) CEO sells 1,000 preferred shares under 10b5-1 plan

Q: At what price did the Soluna CEO sell the preferred shares?

The CEO sold the 1,000 preferred shares at $10.40 per share . This price reflects the execution level for the reported open-market transaction in the company’s 9.0% Series A Cumulative Perpetual Preferred Stock.

Q: How many Soluna preferred shares does the CEO hold after this sale?

After the reported sale, the CEO directly holds 99,042 shares of Soluna’s 9.0% Series A Cumulative Perpetual Preferred Stock. This remaining position is disclosed in the Form 4 as the total shares following the transaction.

Q: What type of security did the Soluna insider sell in this filing?

The insider sold 9.0% Series A Cumulative Perpetual Preferred Stock of Soluna Holdings, Inc. This is a preferred equity security, distinct from the company’s common stock, with a stated 9.0% cumulative dividend rate.

Filing Impact

(Neutral)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Soluna Holdings, Inc. Chief Executive Officer John Belizaire reported an open-market sale of 1,000 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.40 per share. After this transaction, he directly holds 99,042 preferred shares. The filing notes the trade was executed under a pre-arranged Rule 10b5-1 trading plan, indicating it was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares ($10,400)

Net Sell 1 txn

Insider Belizaire John

Role Chief Executive Officer

Sold 1,000 shs ($10K)

Type	Security	Shares	Price	Value
Sale	9.0% Series A Cumulative Perpetual Preferred Stock	1,000	$10.40	$10K

Holdings After Transaction: 9.0% Series A Cumulative Perpetual Preferred Stock — 99,042 shares (Direct, null)

Footnotes (1)

[object Object]

Key Figures

Shares sold: 1,000 shares Sale price: $10.40 per share Shares held after: 99,042 shares +2 more

5 metrics

Shares sold 1,000 shares Open-market sale of 9.0% Series A preferred

Sale price $10.40 per share Price for 1,000 preferred shares sold

Shares held after 99,042 shares CEO direct holdings of Series A preferred post-transaction

Net share change -1,000 shares Net buy/sell shares in this Form 4

Transaction date June 1, 2026 Date of reported open-market sale

Key Terms

Rule 10b5-1 trading plan, open-market sale, 9.0% Series A Cumulative Perpetual Preferred Stock

3 terms

Rule 10b5-1 trading plan regulatory

"Transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action: open-market sale, transaction_code_description: Sale in open market"

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.

9.0% Series A Cumulative Perpetual Preferred Stock financial

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

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Form 4 Insider Transactions: What Each Field Means →

06/01/2026 - 04:19 PM

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 [ SLNHP ]

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)
06/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
9.0% Series A Cumulative Perpetual Preferred Stock	06/01/2026		S⁽¹⁾		1,000⁽¹⁾	D	$10.4	99,042	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 16, 2025.

	/s/ Christopher Gandolfo, Attorney in Fact	06/01/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

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

Soluna reported that CEO John Belizaire sold 1,000 shares of its 9.0% Series A Cumulative Perpetual Preferred Stock. The shares were sold in an open-market transaction and disclosed through a Form 4 insider trading report.

At what price did the Soluna CEO sell the preferred shares?

The CEO sold the 1,000 preferred shares at $10.40 per share. This price reflects the execution level for the reported open-market transaction in the company’s 9.0% Series A Cumulative Perpetual Preferred Stock.

How many Soluna preferred shares does the CEO hold after this sale?

After the reported sale, the CEO directly holds 99,042 shares of Soluna’s 9.0% Series A Cumulative Perpetual Preferred Stock. This remaining position is disclosed in the Form 4 as the total shares following the transaction.

What type of security did the Soluna insider sell in this filing?

The insider sold 9.0% Series A Cumulative Perpetual Preferred Stock of Soluna Holdings, Inc. This is a preferred equity security, distinct from the company’s common stock, with a stated 9.0% cumulative dividend rate.