Soluna Holdings Schedule 13G: 13.34M Shares Disclosed

Soluna Holdings, Inc. Schedule 13G filing reports that Robert L. Bugbee beneficially owns 13,336,362 shares of Common Stock, representing 8.5% of the class as stated.

Rhea-AI Filing Summary

Soluna Holdings, Inc. Schedule 13G filing reports that Robert L. Bugbee beneficially owns 13,336,362 shares of Common Stock, representing 8.5% of the class as stated. The filing lists sole voting and dispositive power over the same 13,336,362 shares.

Insights

Corporate Governance Analyst

Large passive stake disclosure; ownership and control are explicit.

The Schedule 13G shows 13,336,362 shares beneficially owned, with sole voting and dispositive power stated in the same sentence. The filing identifies the holder and gives a precise percent of class, 8.5%.

Timing and intent categories are not specified in the excerpt; subsequent filings would be required to show changes in position or active intent.

Equity Capital Markets Specialist

Disclosure may affect perceived float and shareholder base.

The ownership block of 13,336,362 shares (8.5%) is a visible large holder disclosure under Schedule 13G rules. The CUSIP 583543301 and issuer address are provided, matching standard disclosure elements.

Any trading or change in status would be reported in later filings; this record is a static ownership snapshot.

Key Figures

Reported shares beneficially owned: 13,336,362 shares Percent of class: 8.5% Sole voting power: 13,336,362 shares +1 more

4 metrics

Reported shares beneficially owned 13,336,362 shares Schedule 13G disclosure

Percent of class 8.5% Percent of common stock as stated in filing

Sole voting power 13,336,362 shares Number with sole power to vote as stated

CUSIP 583543301 Issuer CUSIP shown on filing

Key Terms

Beneficially owned, Sole dispositive power, CUSIP

3 terms

Beneficially owned regulatory

"Amount beneficially owned: 13,336,362.00"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 13,336,362.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

CUSIP financial

"CUSIP Number(s): 583543301"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Robert Bugbee's Schedule 13G for SLNH report?

It reports 13,336,362 shares beneficially owned, with sole voting and dispositive power over those shares, representing 8.5% of the class. The filing includes the issuer CUSIP 583543301 and the issuer's principal address.

Does the Schedule 13G say Bugbee is an active investor in SLNH?

The filing lists beneficial ownership and control but does not state intent. It discloses ownership amount and power; it does not include any declaration of active purpose or trading intent within the provided excerpt.

How much of SLNH does 13,336,362 shares represent?

The Schedule 13G states the position equals 8.5% of the class. The filing pairs the share count with that percentage as the ownership metric for the reporting person in the provided excerpt.

What identifying details are on the filing for SLNH shares?

The excerpt shows the issuer name, principal office address in Albany, New York, and the CUSIP 583543301. It also lists the reporting person's name and Monaco address as provided in the filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/26/2026 - 11:40 AM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Soluna Holdings, Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

583543301

(CUSIP Number)

05/22/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 583543301

1

Names of Reporting Persons

BUGBEE ROBERT L

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 13,336,362.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 13,336,362.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

13,336,362.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

8.5 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Soluna Holdings, Inc
(b)	Address of issuer's principal executive offices: 325 WASHINGTON AVENUE EXTENSION, ALBANY, NEW YORK, 12205
Item 2.
(a)	Name of person filing: Bugbee Robert L
(b)	Address or principal business office or, if none, residence: L'Exotique, 99 Boulevard Du Jardin Exotique MC 98000 Monaco
(c)	Citizenship: UNITED KINGDOM
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 583543301
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 13,336,362.00
(b)	Percent of class: 8.5%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 13,336,362.00
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 13,336,362.00
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BUGBEE ROBERT L

Signature:	/s/
Name/Title:	Robert L. Bugbee
Date:	05/26/2026

Comments accompanying signature: BUGBEE ROBERT L