AWM Reports 820,000-Share Stake in SUNation Energy

AWM Investment Company, Inc. reported beneficial ownership of 820,000 shares of SUNation Energy, Inc. common stock, representing 19.9% of the class, as investment adviser to Special Situations Private Equity Fund, L.P.

Accepted by SEC EDGAR 07/08/2026 - 04:16 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

AWM Investment Company, Inc. reported beneficial ownership of 820,000 shares of SUNation Energy, Inc. common stock, representing 19.9% of the class, as investment adviser to Special Situations Private Equity Fund, L.P. AWM states it has sole voting and sole dispositive power over these shares. The filing is signed by Adam Stettner on 07/08/2026.

Insights

Institutional Ownership Analyst

Large passive stake disclosed by an adviser; voting and disposition control stated.

AWM Investment Company, as investment adviser to SSPE, reports beneficial ownership of 820,000 shares or 19.9% of SUNation Energy common stock. The filing specifies sole voting and sole dispositive power over the shares held by the Fund.

Because this is a disclosure of ownership rather than a transaction, cashflow treatment and intentions for the position are not included in the excerpt. Subsequent filings may disclose any changes in holdings or plans.

Key Figures

Shares beneficially owned: 820,000 shares Percent of class: 19.9% Filing date: 07/08/2026 +1 more

4 metrics

Shares beneficially owned 820,000 shares reported beneficial ownership by AWM as adviser to SSPE

Percent of class 19.9% percent of SUNation Energy common stock represented by 820,000 shares

Filing date 07/08/2026 signature date on Schedule 13G by Adam Stettner

CUSIP 72303P503 CUSIP number for SUNation Energy common stock

Key Terms

Schedule 13G, beneficial ownership, sole dispositive power, sole voting power

4 terms

Schedule 13G regulatory

"The person filing this report is AWM Investment Company, Inc."

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.

beneficial ownership financial

"Amount beneficially owned: 820,000"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

sole dispositive power regulatory

"AWM holds sole investment power over 820,000 shares"

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 regulatory

"AWM holds sole voting power over 820,000 shares"

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.

FAQ

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

What stake did AWM report in SUNE?

AWM reported beneficial ownership of 820,000 shares of SUNE, equal to 19.9% of the class. The filing states AWM holds sole voting and dispositive power over these shares as adviser to SSPE.

Who holds voting and investment power over the SUNE shares?

AWM Investment Company, as investment adviser to SSPE, holds sole voting and sole dispositive power over the 820,000 shares. David Greenhouse and Adam Stettner are identified as controlling principals.

Does the filing show AWM bought or sold SUNE shares?

No; the Schedule 13G discloses beneficial ownership only and does not report a purchase or sale in this excerpt. It states the adviser currently has sole voting and dispositive authority over the shares.

What entity is the beneficial owner listed in the filing?

The beneficial owner is Special Situations Private Equity Fund, L.P. (SSPE), for which AWM is the investment adviser and holds authority over the 820,000 SUNE shares.

When was this ownership reported?

The filing is signed and dated 07/08/2026 by Adam Stettner, Executive Vice President. The ownership and control statements are presented as of the filing date.

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

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

SUNation Energy, Inc.

(Name of Issuer)

Common Stock, Par Value $0.05

(Title of Class of Securities)

72303P503

(CUSIP Number)

07/08/2026

(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): 72303P503

1

Names of Reporting Persons

AWM Investment Company, Inc.

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 820,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 820,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

820,000.00

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)

19.9 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: AWM Investment Company, Inc., a Delaware corporation (AWM), is the investment adviser to Special Situations Private Equity Fund, L.P. (SSPE). (the "Fund"). As the investment adviser to the Fund, AWM holds sole voting and investment power over 820,000 shares of Common Stock of the Issuer (the Shares) held by SSPE.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: SUNation Energy, Inc.
(b)	Address of issuer's principal executive offices: 171 REMINGTON BOULEVARD, RONKONKOMA, NEW YORK, 11779
Item 2.
(a)	Name of person filing: The person filing this report is AWM Investment Company, Inc., a Delaware corporation (AWM), which is the investment adviser to Special Situations Private Equity Fund, L.P., a Delaware limited partnership (SSPE), (SSPE, will hereafter be referred to as the Funds). The principal business of each Fund is to invest in equity and equity-related securities and other securities of any kind or nature. David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are members of MG Advisers, L.L.C., a New York limited liability company (MG), the general partner of SSPE. Greenhouse and Stettner are also controlling principals of AWM.
(b)	Address or principal business office or, if none, residence: 527 Madison Avenue, Suite 2600 New York, NY 10022
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock, Par Value $0.05
(e)	CUSIP Number(s): 72303P503
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: 820,000
(b)	Percent of class: 19.9 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: AWM is the investment adviser to the Fund. As the investment adviser to the Fund, AWM holds sole voting power over 820,000 shares of Common Stock of the Issuer (the Shares) held by SSPE. Greenhouse and Stettner are members of MG, the general partner of SSPE. Greenhouse and Stettner are also controlling principals of AWM.
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: AWM is the investment adviser to the Fund. As the investment adviser to the Fund, AWM holds sole investment power over 820,000 shares of Common Stock of the Issuer (the Shares) held by SSPE. Greenhouse and Stettner are members of MG, the general partner of SSPE. Greenhouse and Stettner are also controlling principals of AWM.
	(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 acquired and are held in the ordinary course of business and 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.

AWM Investment Company, Inc.

Signature:	Adam Stettner
Name/Title:	Executive Vice President
Date:	07/08/2026