Soluna Holdings (SLNH): Robert Bugbee discloses 9.77% stake in common shares

Rhea-AI Filing Summary

Soluna Holdings, Inc. received a Schedule 13G reporting that Robert L. Bugbee is a beneficial owner of its common shares. Bugbee reports beneficial ownership of 15,414,507 Soluna common shares, representing 9.77% of the outstanding class. He reports sole voting and sole dispositive power over all 15,414,507 shares, with no shared voting or dispositive power. The filing lists his citizenship as the United Kingdom and his address in Monaco.

Key Figures

Shares beneficially owned: 15,414,507 shares Percent of class: 9.77% Sole voting power: 15,414,507 shares +3 more

6 metrics

Shares beneficially owned 15,414,507 shares Common Shares beneficially owned by Robert L. Bugbee

Percent of class 9.77% Percentage of Soluna common shares beneficially owned by Robert L. Bugbee

Sole voting power 15,414,507 shares Shares over which Robert L. Bugbee has sole power to vote

Shared voting power 0 shares Shares over which Robert L. Bugbee has shared voting power

Sole dispositive power 15,414,507 shares Shares over which Robert L. Bugbee has sole power to dispose

Shared dispositive power 0 shares Shares over which Robert L. Bugbee has shared dispositive power

Key Terms

Schedule 13G, beneficially owned, sole dispositive power, sole voting power

4 terms

Schedule 13G regulatory

"received a Schedule 13G reporting that Robert L. Bugbee is a beneficial owner"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficially owned financial

"Amount beneficially owned: 15,414,507.00"

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 financial

"Sole dispositive power 15,414,507.00"

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.

sole voting power financial

"Sole Voting Power 15,414,507.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

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

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FAQ

What percentage of Soluna Holdings (SLNH) does Robert L. Bugbee beneficially own?

Robert L. Bugbee reports beneficial ownership of 9.77% of Soluna Holdings’ common shares, corresponding to 15,414,507 shares. This ownership is disclosed in a Schedule 13G and reflects his reported position in the company.

How many Soluna Holdings (SLNH) shares does Robert L. Bugbee control?

Robert L. Bugbee reports beneficial ownership of 15,414,507 Soluna Holdings common shares. He has sole voting and sole dispositive power over all of these shares, with no shared voting or dispositive authority reported.

Does Robert L. Bugbee share voting power over Soluna Holdings (SLNH) stock?

No. The Schedule 13G states that Robert L. Bugbee has sole voting power over 15,414,507 Soluna shares and 0 shares with shared voting power, indicating exclusive voting authority over his reported holdings.

What is Robert L. Bugbee’s dispositive power over Soluna Holdings (SLNH) shares?

Robert L. Bugbee reports sole dispositive power over 15,414,507 Soluna common shares and 0 shares with shared dispositive power. This means he alone can decide whether and when to dispose of these reported shares.

What is the citizenship and address reported for Robert L. Bugbee in relation to Soluna Holdings (SLNH)?

The filing lists Robert L. Bugbee’s citizenship as the United Kingdom. His address is reported as L' Exotique, 99 Boulevard Du Jardin Exotique, MC 98000, Monaco, which serves as his principal business office or residence for this disclosure.

What class of Soluna Holdings (SLNH) securities is covered by Robert L. Bugbee’s 13G filing?

The Schedule 13G covers Common Shares of Soluna Holdings, Inc. All reported figures, including the 15,414,507 shares and 9.77% ownership, relate specifically to this class of Soluna’s equity securities.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Soluna Holdings, Inc

(Name of Issuer)

Common Shares

(Title of Class of Securities)

583543301

(CUSIP Number)

08/05/2026

(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 15,414,507.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 15,414,507.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,414,507.00

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)

9.8 %

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 KINGDOMD
(d)	Title of class of securities: Common Shares
(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: 15,414,507.00
(b)	Percent of class: 9.77 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 15,414,507.00
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 15,414,507.00
	(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:	BUGBEE ROBERT L
Date:	08/05/2026