Eric John Valleton - 11 Feb 2026 Form 3 Insider Report for SOLV Energy, Inc. (MWH)

Role: Chief Technology Officer
Signature: /s/ Adam S. Forman, attorney-in-fact
Issuer symbol: MWH
Transactions as of: 11 Feb 2026
Net transactions value: $0
Form type: 3
Filing time: 11 Feb 2026, 20:46:06 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Valleton Eric John	Chief Technology Officer	C/O SOLV ENERGY, INC., 16680 WEST BERNARDO DRIVE, SAN DIEGO	/s/ Adam S. Forman, attorney-in-fact	11 Feb 2026	0002109069

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	MWH	Class A common stock						200	11 Feb 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	MWH	Stock Options (Right to Buy)							11 Feb 2026	Class A common stock	37,057	$25.00	Direct	F2
holding	MWH	SOLV Energy Management Holdings LP Units							11 Feb 2026	Class A common stock	624,816		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted shares of Class A common stock of the Issuer ("Class A common stock") that will vest on the third anniversary of the consummation of the Issuer's initial public offering, subject to continued employment of the Reporting Person through such date and subject to acceleration upon certain events.
F2	The options become exercisable for shares of Class A common stock in three equal installments on each of the first, second, and third anniversary of the consummation of the Issuer's initial public offering, subject to continued employment of the Reporting Person through such dates and subject to acceleration upon certain events.
F3	Pursuant to the LPA of SOLV Energy Management Holdings LP ("MH") and LLCA of SOLV Energy Holdings LLC ("Opco"), the Reporting Person is indirectly entitled to redeem common units of Opco ("LLC Interests") held by MH 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 offering 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 LPA and the LLCA. Upon a redemption of Opco LLC Units by MH, an equal number of shares of Class B common stock of the Issuer held by MH will be surrendered to and cancelled by the Issuer for no additional consideration, and an equal number of limited partnership units in MH ("MH Units") held by the Reporting Person will be cancelled by MH.
F4	In accordance with the LPA of MH, each share of Class B common stock held by MH entitles the Reporting Person to one vote per share but carries no economic rights. LLC Interests and MH Units do not have an expiration date.

Remarks:

Exhibit 24 - Power of Attorney