# EDGAR Filing Document

**Accession Number:** 0001281084
**File Stem:** 0001213900-26-040076
**Filing Date:** 2026-4
**Character Count:** 9905
**Document Hash:** 4437e4e71209999fa008f24562029566
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-040076.hdr.sgml**: 20260403

**ACCESSION NUMBER**: 0001213900-26-040076

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260403

**DATE AS OF CHANGE**: 20260403

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Monarch Alternative Capital LP
- **CENTRAL INDEX KEY:** 0001281084

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15957
- **FILM NUMBER:** 26839315

**BUSINESS ADDRESS:**
- **STREET 1:** 535 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-554-1700

**MAIL ADDRESS:**
- **STREET 1:** 535 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Quadrangle Debt Recovery Advisors LP
- **DATE OF NAME CHANGE:** 20070125

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Quadrangle Debt Recovery Advisors LLC
- **DATE OF NAME CHANGE:** 20061013

**FORMER NAME:**
- **FORMER CONFORMED NAME:** QDRA LLC
- **DATE OF NAME CHANGE:** 20040223
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** MDRA GP LP
- **CENTRAL INDEX KEY:** 0001501101

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15957
- **FILM NUMBER:** 26839314

**BUSINESS ADDRESS:**
- **STREET 1:** C/O MONARCH ALTERNATIVE CAPITAL LP
- **STREET 2:** 535 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-554-1700

**MAIL ADDRESS:**
- **STREET 1:** C/O MONARCH ALTERNATIVE CAPITAL LP
- **STREET 2:** 535 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Monarch GP LLC
- **CENTRAL INDEX KEY:** 0001501100

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15957
- **FILM NUMBER:** 26839313

**BUSINESS ADDRESS:**
- **STREET 1:** C/O MONARCH ALTERNATIVE CAPITAL LP
- **STREET 2:** 535 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-554-1700

**MAIL ADDRESS:**
- **STREET 1:** C/O MONARCH ALTERNATIVE CAPITAL LP
- **STREET 2:** 535 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Capstone Green Energy Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001009759
- **STANDARD INDUSTRIAL CLASSIFICATION:** ENGINES & TURBINES [3510]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 954180883
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**BUSINESS ADDRESS:**
- **STREET 1:** 16640 STAGG STREET
- **CITY:** VAN NUYS
- **STATE:** CA
- **ZIP:** 91406
- **BUSINESS PHONE:** 818-734-5300

**MAIL ADDRESS:**
- **STREET 1:** 16640 STAGG STREET
- **CITY:** VAN NUYS
- **STATE:** CA
- **ZIP:** 91406

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Capstone Green Energy Corp
- **DATE OF NAME CHANGE:** 20210421

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CAPSTONE TURBINE Corp
- **DATE OF NAME CHANGE:** 20100203

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CAPSTONE TURBINE CORP
- **DATE OF NAME CHANGE:** 20000314

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Monarch Alternative Capital LP<br><sub>(Last) (First) (Middle)</sub><br>535 MADISON AVENUE<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Capstone Green Energy Holdings, Inc. [ CGEH ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-31 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>MDRA GP LP<br><sub>(Last) (First) (Middle)</sub><br>C/O MONARCH ALTERNATIVE CAPITAL LP<br>535 MADISON AVENUE<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Capstone Green Energy Holdings, Inc. [ CGEH ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-31 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Monarch GP LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O MONARCH ALTERNATIVE CAPITAL LP<br>535 MADISON AVENUE<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Capstone Green Energy Holdings, Inc. [ CGEH ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-31 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Voting Common Stock | 3333334 | I | See footnotes<sup>(1)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Series A Convertible Preferred Stock | <sup>(2)</sup> | <sup>(2)</sup> | Voting Common Stock | 16000000 | <sup>(2)</sup> | I | See footnotes<sup>(1)</sup> |

---

### Footnotes:

(1) This Form 3 is being filed on behalf of Monarch Alternative Capital LP, a Delaware limited partnership ("MAC"), MDRA GP LP, a Delaware limited partnership ("MDRA GP"), and Monarch GP LLC, a Delaware limited liability company ("Monarch GP" and, together with MAC and MDRA GP, the "Reporting Persons"). MAC serves as the investment advisor to a variety of funds (such funds collectively, the "Monarch Funds"), with respect to the shares of the Issuer beneficially owned by it by virtue of the authority granted to it by the Monarch Funds to vote and dispose of the securities held by such Monarch Funds. MDRA GP is the general partner of MAC and Monarch GP is the general partner of MDRA GP. Each of MAC, MDRA GP and Monarch GP may be deemed to indirectly beneficially own shares held directly by the Monarch Funds and disclaims economic ownership of all such shares except to the extent of any indirect pecuniary interest therein.

(2) Consists of 80,000 shares of Series A Convertible Preferred Stock of the Issuer. The Series A Convertible Preferred Stock is convertible into shares of the Issuer's common stock at the option of the holder at an initial conversion price of $5.00 per share, subject to adjustment pursuant to the terms of the Certificate of Designation, and has no expiration date.

**Signature:** Monarch Alternative Capital LP; By: /s/ Christopher Santana, Chief Executive Officer  
**Date:** 2026-04-03

**Signature:** MDRA GP LP; By: Monarch GP LLC, as general partner; By: /s/ Christopher Santana, Partnership Committee Member  
**Date:** 2026-04-03

**Signature:** Monarch GP LLC; By: /s/ Christopher Santana, Partnership Committee Member  
**Date:** 2026-04-03

### Remarks:

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.**