Investor reports 7.7% Capstone Green Energy (CGEH) stake via foundation

Rhea-AI Filing Summary

Capstone Green Energy Holdings, Inc. (CGEH) received a new large shareholder disclosure. Investor Laurence W. Lytton reports beneficial ownership of 1,771,404 shares of common stock, representing 7.7% of the company, including 1,750,000 shares held through the Lytton-Kambara Foundation.

Lytton has sole voting and dispositive power over 21,404 shares and shares voting and dispositive power over 1,750,000 shares with the Foundation. Both Lytton and the Foundation base their 7.7% ownership figure on 22,926,208 shares outstanding as of December 15, 2025. They certify the holdings are passive and not intended to change or influence control of the company.

Insights

Equity ownership and governance analyst

Filing discloses a 7.7% passive stake in Capstone Green Energy.

Laurence W. Lytton and the Lytton-Kambara Foundation report beneficial ownership of 1,771,404 and 1,750,000 Capstone Green Energy shares respectively, each representing 7.7% of the common stock based on 22,926,208 shares outstanding as of December 15, 2025.

The structure shows Lytton with sole voting and dispositive power over 21,404 shares and shared power with the Foundation over 1,750,000 shares. The certification states the position is not held to change or influence control, aligning this with a passive investment rather than an activist stake.

Subsequent filings may provide updates if this ownership changes materially or if the reporting status shifts from passive to active, which would typically require a different reporting form and potentially signal a change in intentions toward the company.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Capstone Green Energy Holdings, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

14067D607

(CUSIP Number)

11/25/2025

(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)

SCHEDULE 13G

CUSIP No. 14067D607

1

Names of Reporting Persons

LYTTON LAURENCE W

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 STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 21,404.00
6	Shared Voting Power 1,750,000.00
7	Sole Dispositive Power 21,404.00
8	Shared Dispositive Power 1,750,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,771,404.00

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)

7.7 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Percentage calculated based on 22,926,208 shares of Common Stock outstanding as of December 15, 2025, as reported in the Prospectus filed by the Issuer on January 6, 2026.

SCHEDULE 13G

CUSIP No. 14067D607

1

Names of Reporting Persons

Lytton-Kambara Foundation

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 STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,750,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,750,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,750,000.00

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)

7.7 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Percentage calculated based on 22,926,208 shares of Common Stock outstanding as of December 15, 2025, as reported in the Prospectus filed by the Issuer on January 6, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Capstone Green Energy Holdings, Inc.
(b)	Address of issuer's principal executive offices: 16640 Stagg Street, Van Nuys, CA 91406
Item 2.
(a)	Name of person filing: Laurence W. Lytton and Lytton-Kambara Foundation ("Foundation")
(b)	Address or principal business office or, if none, residence: 467 Central Park West, New York, NY 10025
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 14067D607
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: Lytton: 1,771,404 Foundation: 1,750,000
(b)	Percent of class: Lytton: 7.7% Foundation: 7.7%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Lytton: 21,404 Foundation: 0
	(ii) Shared power to vote or to direct the vote: Lytton: 1,750,000 Foundation: 1,750,000
	(iii) Sole power to dispose or to direct the disposition of: Lytton: 21,404 Foundation: 0
	(iv) Shared power to dispose or to direct the disposition of: Lytton: 1,750,000 Foundation: 1,750,000
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.

LYTTON LAURENCE W

Signature:	/s/ Laurence W. Lytton
Name/Title:	Reporting Person
Date:	01/27/2026

Lytton-Kambara Foundation

Signature:	/s/ Laurence W. Lytton
Name/Title:	President
Date:	01/27/2026

Exhibit Information

Exhibit 99.1 - Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G

FAQ

What ownership stake in Capstone Green Energy (CGEH) does Laurence W. Lytton report?

Laurence W. Lytton reports beneficial ownership of 1,771,404 Capstone Green Energy common shares, representing 7.7% of the company. This includes 21,404 shares under his sole control and 1,750,000 shares over which he shares voting and dispositive power with the Lytton-Kambara Foundation.

How many Capstone Green Energy (CGEH) shares does the Lytton-Kambara Foundation hold?

The Lytton-Kambara Foundation reports beneficial ownership of 1,750,000 Capstone Green Energy shares, representing 7.7% of the common stock. The Foundation has shared voting and shared dispositive power over all of these shares, with no sole voting or dispositive authority reported.

How is the 7.7% ownership in Capstone Green Energy (CGEH) calculated in this Schedule 13G?

The 7.7% ownership figure for both Lytton and the Lytton-Kambara Foundation is calculated based on 22,926,208 Capstone Green Energy common shares outstanding as of December 15, 2025, as reported in a prospectus filed by the issuer on January 6, 2026.

Does this Capstone Green Energy (CGEH) Schedule 13G indicate an activist or passive stake?

The filing describes a passive stake. The certification states the securities were not acquired and are not held for the purpose of changing or influencing control of Capstone Green Energy and are not held in connection with any transaction having that purpose or effect.

What voting and dispositive powers does Laurence W. Lytton have over Capstone Green Energy (CGEH) shares?

Lytton has sole voting and dispositive power over 21,404 shares and shared voting and dispositive power over 1,750,000 shares. The 1,750,000 shared-power shares correspond to those beneficially owned by the Lytton-Kambara Foundation, reflecting joint control over that block.

When did the ownership event for this Capstone Green Energy (CGEH) Schedule 13G occur?

The date of the event requiring this ownership report is November 25, 2025. This date triggers the Schedule 13G disclosure, indicating when the relevant ownership threshold or reportable position was reached and needed to be reported under SEC rules.