SOLV Energy (MWH) 10% owner American Securities sold 1,154,760 shares

Insider transactions reported

American Securities Llc (10% owner at SOLV Energy Inc., MWH) reported that they sold 1,154,760 shares on Jun 4, 2026. After these transactions the filing shows 82,920,401 shares held indirectly (See Notes).

Reporting person

American Securities Llc

Options and other derivatives

Holdings before and after

• Class A common stock: 84,075,161 to 82,920,401 indirect, See Notes
• SOLV Energy Holdings LLC Interests: 52,986,664 to 52,258,899 indirect, See Notes

Footnotes from the filing

1. 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. 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. 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. 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. 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. 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.

Transaction codes in this filing

Open-market sale:

Code S marks a sale in the open market or a private deal. The insider received cash for these securities.

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