Soluna Holdings (SLNH) director exits Series A preferred stake

Q: What insider transaction did Soluna Holdings, Inc (SLNH) report in this Form 4?

Soluna Holdings, Inc reported that director Edward R. Hirshfield sold 9,007 shares of its 9.0% Series A Cumulative Perpetual Preferred Stock on 2026-08-17 , according to the Form 4 insider filing data.

Q: How many SLNHP preferred shares did the insider sell and what remains after the sale?

The insider sold 9,007 preferred shares of SLNHP and reported 0 shares of this security directly owned after the transaction, indicating the director no longer holds this specific preferred stock position in the reported account.

Q: What price did the Soluna (SLNH) director receive for the SLNHP preferred stock sale?

The filing lists an average sale price of about $12.34 per share , with a footnote clarifying it is an average of multiple lots executed between $12.23 and $12.45 per share for the 9.0% Series A preferred stock.

Q: Was the Soluna (SLNH) insider sale under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not affirmatively marked , and the footnote does not reference any trading plan, so the reported sale is not described as being made under a Rule 10b5-1 plan.

Q: What type of security did the Soluna (SLNH) director sell in this Form 4?

The director sold 9.0% Series A Cumulative Perpetual Preferred Stock , designated as SLNHP. This is a preferred equity security with a 9.0% cumulative dividend rate and perpetual (no maturity) structure.

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Soluna Holdings, Inc (symbol SLNH) director Edward R. Hirshfield reported a sale of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock. On 2026-08-17, he sold 9,007 shares at a footnote-qualified average price of about $12.34 per share, leaving 0 shares of this security reported as directly owned afterward.

A footnote explains that the reported price reflects an average of multiple sale lots executed between $12.23 and $12.45 per share, and that full lot-level details are available to the SEC staff upon request.

Insider Trade Summary

Net Seller: 9,007 shares

Net Sell 1 txn

Insider Hirshfield Edward R

Role Director

Sold 9,007 shs ($111K)

Type	Security	Shares	Price	Value
Sale	9.0% Series A Cumulative Perpetual Preferred Stock ^F1	9,007	$12.34	$111K

Holdings After Transaction: 9.0% Series A Cumulative Perpetual Preferred Stock — 0 shares (Direct)

Footnotes (1)

F1. Represents the average sales price of shares sold ranging from $12.23- $12.45 per share of 9.0% Series A Cumulative Preferred Stock. Mr. Hirshfield undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of shares sold in each separate lot.

Key Figures

Shares sold: 9,007 shares Average sale price: $12.34 per share Price range of sale lots: $12.23–$12.45 per share +2 more

5 metrics

Shares sold 9,007 shares Non-derivative sale of 9.0% Series A Cumulative Perpetual Preferred Stock on 2026-08-17

Average sale price $12.34 per share Reported average sales price for the 9,007 preferred shares sold, footnote-qualified

Price range of sale lots $12.23–$12.45 per share Footnote describes range of individual lot sale prices for the preferred shares

Shares owned after transaction 0 shares Total directly owned 9.0% Series A Cumulative Perpetual Preferred Stock after the reported sale

Dividend rate 9.0% Stated rate in the title of the Series A Cumulative Perpetual Preferred Stock

Key Terms

9.0% Series A Cumulative Perpetual Preferred Stock, cumulative, perpetual preferred stock, average sales price

4 terms

9.0% Series A Cumulative Perpetual Preferred Stock financial

"Represents the average sales price of shares sold ranging from $12.23- $12.45 per share of 9.0% Series A Cumulative Perpetual Preferred Stock."

cumulative financial

"9.0% Series A Cumulative Perpetual Preferred Stock"

perpetual preferred stock financial

"9.0% Series A Cumulative Perpetual Preferred Stock"

A perpetual preferred stock is a type of share that behaves like a forever-lasting, fixed-income investment: it pays regular dividends and has no set maturity date, yet it represents ownership rather than a loan. It ranks ahead of common stock for dividend payments and in liquidation, so investors treat it as a mix between a bond and an equity stake; its value depends largely on the issuer’s credit and prevailing interest rates.

average sales price financial

"Represents the average sales price of shares sold ranging from $12.23- $12.45 per share"

FAQ

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

Soluna Holdings, Inc reported that director Edward R. Hirshfield sold 9,007 shares of its 9.0% Series A Cumulative Perpetual Preferred Stock on 2026-08-17, according to the Form 4 insider filing data.

How many SLNHP preferred shares did the insider sell and what remains after the sale?

The insider sold 9,007 preferred shares of SLNHP and reported 0 shares of this security directly owned after the transaction, indicating the director no longer holds this specific preferred stock position in the reported account.

What price did the Soluna (SLNH) director receive for the SLNHP preferred stock sale?

The filing lists an average sale price of about $12.34 per share, with a footnote clarifying it is an average of multiple lots executed between $12.23 and $12.45 per share for the 9.0% Series A preferred stock.

Was the Soluna (SLNH) insider sale under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not affirmatively marked, and the footnote does not reference any trading plan, so the reported sale is not described as being made under a Rule 10b5-1 plan.

What type of security did the Soluna (SLNH) director sell in this Form 4?

The director sold 9.0% Series A Cumulative Perpetual Preferred Stock, designated as SLNHP. This is a preferred equity security with a 9.0% cumulative dividend rate and perpetual (no maturity) structure.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 04:31 PM Accepted by SEC EDGAR 08/18/2026 - 04:30 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^*

Hirshfield Edward R

(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
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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	08/17/2026		S		9,007	D	$12.34⁽¹⁾	0	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. Represents the average sales price of shares sold ranging from $12.23- $12.45 per share of 9.0% Series A Cumulative Preferred Stock. Mr. Hirshfield undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of shares sold in each separate lot.

	/s/ Christopher Gandolfo, Attorney in Fact	08/18/2026
	** 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