# EDGAR Filing Document

**Accession Number:** 0001009759
**File Stem:** 0001213900-26-073244
**Filing Date:** 2026-6
**Character Count:** 13460
**Document Hash:** 3e9ac453cea77dd970911cf02443e08f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-073244.hdr.sgml**: 20260629

**ACCESSION NUMBER**: 0001213900-26-073244

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260629

**DATE AS OF CHANGE**: 20260629

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Capstone Energy Plus, 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

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-59265
- **FILM NUMBER:** 261137297

**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 Holdings, Inc.
- **DATE OF NAME CHANGE:** 20231208

**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
**FILED BY**: 

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

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

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

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

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

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Capstone Energy+, Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.001 per share**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Colin J. Daniels, Esq.**<br>Monarch Alternative Capital LP<br>535 Madison Avenue<br>New York NY 10022<br>(212) 554-1700

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/25/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Monarch Alternative Capital LP** | Name of reporting person<br>**Monarch Alternative Capital LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**19333334.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**19333334.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**19333334.00** | Aggregate amount beneficially owned by each reporting person<br>**19333334.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**40.1%** | Percent of class represented by amount in Row (11)<br>**40.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

**Comment for Reporting Person:** IA, PN

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**MDRA GP LP** | Name of reporting person<br>**MDRA GP LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**19333334.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**19333334.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**19333334.00** | Aggregate amount beneficially owned by each reporting person<br>**19333334.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**40.1%** | Percent of class represented by amount in Row (11)<br>**40.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**HC** | Type of Reporting Person (See Instructions)<br>**HC** | |

---

**Comment for Reporting Person:** PN, HC

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Monarch GP LLC** | Name of reporting person<br>**Monarch GP LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**19333334.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**19333334.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**19333334.00** | Aggregate amount beneficially owned by each reporting person<br>**19333334.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**40.1%** | Percent of class represented by amount in Row (11)<br>**40.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**HC** | Type of Reporting Person (See Instructions)<br>**HC** | |

---

**Comment for Reporting Person:** OO, HC

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.001 per share

**(b) Name of Issuer:**
Capstone Energy+, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
16640 STAGG STREET, VAN NUYS, CA, 91406

The following constitutes Amendment No. 1 to the Schedule 13D filed by the undersigned ("Amendment No. 1"). This Amendment No. 1 amends the Schedule 13D as specifically set forth herein. This Amendment No. 1 was triggered solely due to a change in the number of outstanding Shares of the Issuer.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The information contained on the cover pages of this Schedule 13D is incorporated into this Item 5 by reference.

The number of shares of Common Stock beneficially owned by the Reporting Persons remains unchanged from the initial Schedule 13D filed by the Reporting Persons and consists of 3,333,334 shares of Common Stock and 16,000,000 shares of Common Stock issuable upon conversion of the Series A Preferred Stock at the initial Conversion Price.

This Amendment No. 1 is being filed to update the percentage of beneficial ownership reported by the Reporting Persons, which decreased solely as a result of an increase in the number of outstanding shares of Common Stock reported by the Issuer since the filing of the initial Schedule 13D.

The percentages used in this Amendment are calculated based upon 32,230,733 shares of Common Stock outstanding as of June 18, 2026, as reported in the Annual Report on Form 10-K filed by the Issuer with the SEC on June 25, 2026, plus 16,000,000 shares of Common Stock issuable upon conversion of the Series A Preferred Stock beneficially owned by the Reporting Persons at the initial Conversion Price.

Except for the change in the Reporting Persons' percentage of beneficial ownership resulting from the increase in the number of outstanding shares of Common Stock reported by the Issuer, there has been no change in the number of shares of Common Stock or Series A Preferred Stock beneficially owned by the Reporting Persons as reported in the initial Schedule 13D.

**(b)**
The information contained on the cover pages of this Schedule 13D is incorporated into this Item 5 by reference.

The number of shares of Common Stock beneficially owned by the Reporting Persons remains unchanged from the initial Schedule 13D filed by the Reporting Persons and consists of 3,333,334 shares of Common Stock and 16,000,000 shares of Common Stock issuable upon conversion of the Series A Preferred Stock at the initial Conversion Price.

This Amendment No. 1 is being filed to update the percentage of beneficial ownership reported by the Reporting Persons, which decreased solely as a result of an increase in the number of outstanding shares of Common Stock reported by the Issuer since the filing of the initial Schedule 13D.

The percentages used in this Amendment are calculated based upon 32,230,733 shares of Common Stock outstanding as of June 18, 2026, as reported in the Annual Report on Form 10-K filed by the Issuer with the SEC on June 25, 2026, plus 16,000,000 shares of Common Stock issuable upon conversion of the Series A Preferred Stock beneficially owned by the Reporting Persons at the initial Conversion Price.

Except for the change in the Reporting Persons' percentage of beneficial ownership resulting from the increase in the number of outstanding shares of Common Stock reported by the Issuer, there has been no change in the number of shares of Common Stock or Series A Preferred Stock beneficially owned by the Reporting Persons as reported in the initial Schedule 13D.

**(c)**
The Reporting Persons have not effected any transactions in the Common Stock during the past sixty (60) days.

### 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.

**Reporting Person:** Monarch Alternative Capital LP

**Signature:** /s/ Andrew Herenstein

**Name/Title:** Andrew Herenstein/Vice Chairman

**Date:** 06/29/2026

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.

**Reporting Person:** MDRA GP LP

**Signature:** Monarch GP LLC

**Name/Title:** General Partner

**Date:** 06/29/2026

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.

**Reporting Person:** Monarch GP LLC

**Signature:** /s/ Andrew Herenstein

**Name/Title:** Andrew Herenstein/Authorized Person

**Date:** 06/29/2026