# EDGAR Filing Document

**Accession Number:** 0002109980
**File Stem:** 0001193125-26-259743
**Filing Date:** 2026-6
**Character Count:** 34510
**Document Hash:** d7b27f2b135dd78ddf05c89a8f1e407f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-259743.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0001193125-26-259743

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260604

**FILED AS OF DATE**: 20260605

**DATE AS OF CHANGE**: 20260605

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN SECURITIES LLC
- **CENTRAL INDEX KEY:** 0001475483

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069723

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE, 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212 476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE, 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ASP Manager Corp.
- **CENTRAL INDEX KEY:** 0001621183

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069717

**BUSINESS ADDRESS:**
- **STREET 1:** C/O AMERICAN SECURITIES LLC
- **STREET 2:** 299 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10171
- **BUSINESS PHONE:** 212 476-8000

**MAIL ADDRESS:**
- **STREET 1:** C/O AMERICAN SECURITIES LLC
- **STREET 2:** 299 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10171
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** American Securities Partners VIII(B), L.P.
- **CENTRAL INDEX KEY:** 0001718376

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069716

**BUSINESS ADDRESS:**
- **STREET 1:** 299 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10171
- **BUSINESS PHONE:** (212) 476-8000

**MAIL ADDRESS:**
- **STREET 1:** 299 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10171
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ASP VIII Alternative Investments, L.P.
- **CENTRAL INDEX KEY:** 0002109985

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069720

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** AS/ASP VIII Co-Investor, LLC
- **CENTRAL INDEX KEY:** 0002109980

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069718

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** American Securities Associates VIII, LLC
- **CENTRAL INDEX KEY:** 0002110518

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069719

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ASP SOLV Aggregator LP
- **CENTRAL INDEX KEY:** 0002109986

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069721

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ASP Endeavor Investco LP
- **CENTRAL INDEX KEY:** 0002109987

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069722

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ASP VIII CSE Holdings LP
- **CENTRAL INDEX KEY:** 0002110366

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069714

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ASP VIII SOLV Holdings LP
- **CENTRAL INDEX KEY:** 0002110367

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43117
- **FILM NUMBER:** 261069715

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-476-8000

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE
- **STREET 2:** 38TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SOLV Energy, Inc.
- **CENTRAL INDEX KEY:** 0002065636
- **STANDARD INDUSTRIAL CLASSIFICATION:** HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 16680 WEST BERNARDO DRIVE
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92127
- **BUSINESS PHONE:** 8582514888

**MAIL ADDRESS:**
- **STREET 1:** 16680 WEST BERNARDO DRIVE
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92127

## Exhibit 99.1

<u>Exhibit 99.1</u>

<u>Joint Filer Information</u>

<u>Signatures and Joint Filer Information</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;American Securities LLC |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **AMERICAN SECURITIES LLC** | **AMERICAN SECURITIES LLC** |
| /s/ Michael G. Fisch | /s/ Michael G. Fisch |
| Name: | Michael G. Fisch |
| Title: | Chief Executive Officer |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP Endeavor Investco LP |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP Endeavor Investco LP** | **ASP Endeavor Investco LP** |
| /s/ Eric L. Schondorf | /s/ Eric L. Schondorf |
| Name: | Eric L. Schondorf |
| Title: | Vice President and Secretary |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP SOLV Aggregator L.P. |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP SOLV Aggregator L.P.** | **ASP SOLV Aggregator L.P.** |
| /s/ Eric L. Schondorf | /s/ Eric L. Schondorf |
| Name: | Eric L. Schondorf |
| Title: | Vice President and Secretary |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP VIII Alternative Investments Solstice, L.P. |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP VIII Alternative Investments Solstice, L.P.**<br>**BY: American Securities Associates VIII, LLC, its general partner** | **ASP VIII Alternative Investments Solstice, L.P.**<br>**BY: American Securities Associates VIII, LLC, its general partner** |
| /s/ Michael G. Fisch | /s/ Michael G. Fisch |
| Name: | Michael G. Fisch |
| Title: | President |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;American Securities Partners VIII(B), L.P. |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **American Securities Partners VIII(B), L.P.**<br>**By: American Securities Associates VIII, LLC, its general partner**  | **American Securities Partners VIII(B), L.P.**<br>**By: American Securities Associates VIII, LLC, its general partner**  |
| /s/ Michael G. Fisch | /s/ Michael G. Fisch |
| Name: | Michael G. Fisch |
| Title: | President |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP VIII Alternative Investments L.P. |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP VIII Alternative Investments L.P.**<br>**By: American Securities Associates VIII, LLC, its general partner** | **ASP VIII Alternative Investments L.P.**<br>**By: American Securities Associates VIII, LLC, its general partner** |
| /s/ Michael G. Fisch | /s/ Michael G. Fisch |
| Name: | Michael G. Fisch |
| Title: | President |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;AS/ASP VIII Co-Investor LLC |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **AS/ASP VIII Co-Investor LLC**<br>**By: ASP Manager Corp., its MANAGER** | **AS/ASP VIII Co-Investor LLC**<br>**By: ASP Manager Corp., its MANAGER** |
| /s/ Eric L. Schondorf | /s/ Eric L. Schondorf |
| Name: | Eric L. Schondorf |
| Title: | Vice President and Secretary |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;American Securities Associates VIII, LLC |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **American Securities Associates VIII, LLC** | **American Securities Associates VIII, LLC** |
| /s/ Michael G. Fisch | /s/ Michael G. Fisch |
| Name: | Michael G. Fisch |
| Title: | President |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP VIII SOLV Holdings LP |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP VIII SOLV Holdings LP**<br>**By: ASP Manager Corp., its GENERAL PARTNER** | **ASP VIII SOLV Holdings LP**<br>**By: ASP Manager Corp., its GENERAL PARTNER** |
| /s/ Eric L. Schondorf | /s/ Eric L. Schondorf |
| Name: | Eric L. Schondorf |
| Title: | Vice President and Secretary |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP VIII CSE Holdings LP |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP VIII CSE Holdings LP**<br>**By: ASP Manager Corp., its GENERAL PARTNER** | **ASP VIII CSE Holdings LP**<br>**By: ASP Manager Corp., its GENERAL PARTNER** |
| /s/ Eric L. Schondorf | /s/ Eric L. Schondorf |
| Name: | Eric L. Schondorf |
| Title: | Vice President and Secretary |

---

Dated: June 5, 2026

------

<u>Signatures and Joint Filer Information<br>(continued)</u>

---

| | |
|:---|:---|
| &nbsp;&nbsp;Name of Joint Filer: | &nbsp;&nbsp;ASP Manager Corp. |
| &nbsp;&nbsp;Address of Joint Filer: | &nbsp;&nbsp;590 Madison Avenue, 38th Floor<br>New York NY 10022 |
| &nbsp;&nbsp;Relationship of Joint Filer to Issuer: | &nbsp;&nbsp;10% Owner |
| &nbsp;&nbsp;Issuer Name and Ticker or Trading Symbol: | &nbsp;&nbsp;SOLV Energy, Inc. [MWH] |
| &nbsp;&nbsp;Date of Earliest Transaction <br>Required to be Reported<br>(Month/Day/Year): | &nbsp;&nbsp;06/4/2026 |
| &nbsp;&nbsp;Designated Filer: | &nbsp;&nbsp;American Securities LLC |

---

Signature:

---

| | |
|:---|:---|
| **ASP Manager Corp.** | **ASP Manager Corp.** |
| /s/ Eric L. Schondorf | /s/ Eric L. Schondorf |
| Name: | Eric L. Schondorf |
| Title: | Vice President and Secretary |

---

Dated: June 5, 2026

------

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>AMERICAN SECURITIES LLC<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>ASP Endeavor Investco LP<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>ASP SOLV Aggregator LP<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>ASP VIII Alternative Investments, L.P.<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>American Securities Associates VIII, LLC<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>AS/ASP VIII Co-Investor, LLC<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>ASP Manager Corp.<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>American Securities Partners VIII(B), L.P.<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>ASP VIII SOLV Holdings LP<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>ASP VIII CSE Holdings LP<br><sub>(Last) (First) (Middle)</sub><br>590 MADISON AVENUE, 38TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10022<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-04 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SOLV Energy, Inc. [ MWH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A common stock | 2026-06-04 |  | S |  | 1154760<sup>(4)</sup> | D | <sup>(5)</sup> | 82920401 | I | See Notes<sup>(1)(2)(6)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| SOLV Energy Holdings LLC Interests | <sup>(3)</sup> | 2026-06-04 |  | S |  |  | 727765<sup>(4)</sup> | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Stock | 727765<sup>(4)</sup> | <sup>(5)</sup> | 52258899 | I | See Notes<sup>(1)(2)(6)</sup> |

---

### Footnotes:

(1) Shares of Class A common stock of the Issuer ("Class A common stock") are owned directly by ASP VIII Alternative Investments Solstice, L.P. ("New ASP") and Class A common stock and common units ("Opco LLC Interests") of SOLV Energy Holdings LLC ("Opco") are owned directly by ASP Endeavor Investco LP ("ASP Investco") and ASP SOLV Aggregator LP ("ASP SOLV Aggregator"). American Securities Partners VIII(B), L.P. ("Sponsor 1"), ASP VIII Alternative Investments L.P. ("Sponsor 2") and AS/ASP VIII Co-Investor LLC ("Sponsor 3") are the owners of partnership interests in ASP Investco and ASP SOLV Aggregator. American Securities Associates VIII, LLC ("AS Associates VIII") is the general partner of Sponsor 1, Sponsor 2, and New ASP. American Securities LLC ("AS LLC") provides investment advisory services to Sponsor 1, Sponsor 2, and New ASP. ASP VIII SOLV Holdings LP ("Aggregator 1") and ASP VIII CSE Holdings LP ("Aggregator 2") are the owners of the partnership interests in New ASP.

(2) AS LLC is also the sole stockholder of ASP Manager Corp. ("ASP Manager"), which is the general partner of ASP Investco, ASP SOLV Aggregator, Aggregator 1 and Aggregator 2 and the manager of Sponsor 3. ASP Investco, ASP SOLV Aggregator, New ASP, Sponsor 1, Sponsor 2, Sponsor 3, AS Associates VIII, Aggregator 1, Aggregator 2, AS LLC and ASP Manager are referred to herein as "Reporting Persons".

(3) Pursuant to the limited liability company agreement ("Opco LLCA") of OpCo, each of ASP Investco and ASP SOLV Aggregator is entitled to redeem Opco LLC Interests for, at the Issuer's election, shares of Class A common stock on a one-for-one basis or, using proceeds from a substantially contemporaneous follow-on or secondary offering, a cash payment equal to the price per share of the Class A common stock net of any underwriting discounts or commissions paid in such offering, in each case in accordance with the terms of the Opco LLCA. Upon redemption, an equal number of shares of Class B common stock of the Issuer also held by ASP Investco and/or ASP SOLV Aggregator will be surrendered to and cancelled by the Issuer for no additional consideration. Each share of Class B common stock entitles the holder thereof to one vote per share but carries no economic rights. Opco LLC Interests have no expiration date.

(4) Represents (i) the sale of 657 shares of Class A common stock, 1,860 shares of Class A common stock and 1,152,243 shares of Class A common stock by ASP Investco, ASP SOLV Aggregator and New ASP, respectively and (ii) the direct exchange for cash of 539,102 Opco LLC Interests and 188,663 Opco LLC Interests held by ASP SOLV Aggregator and ASP Investco, respectively (and the cancellation of an equal number of shares of Class B common stock of the Issuer held by each such Reporting Person), each as a result of the full exercise of the underwriters' option to purchase additional shares of Class A common stock in connection with the public offering of Class A common stock pursuant to the prospectus dated May 28, 2026, and accompanying registration statement on Form S-1 (File No. 333-296238), of the Issuer (the "Follow-On Offering").

(5) Represents a price per share of Class A common stock and Opco LLC Interests, as applicable, equal to the public offering price in the Follow-On Offering of $36.00 per share of Class A common stock, net of underwriting discounts and commissions.

(6) Each of the Reporting Persons disclaims beneficial ownership of the securities listed in this report, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for the purpose of Section 16 or for any other purpose, except to the extent of such Reporting Person's pecuniary interest therein.

**Remarks:**
Exhibit 99.1 (Joint Filer Information and Signatures) is incorporated herein by reference. This Form 4 is the first of two identical Form 4s filed relating to the same event. The Form 4 has been split into two filings because there are more than 10 Reporting Persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 Reporting Persons. Each Form 4 is filed by Designated Filer, American Securities LLC.

**Signature:** See Exhibit 99.1  
**Date:** 2026-06-05

### 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.**