SOLV Energy (NASDAQ: MWH) 10% holder lines up new sale after June offerings

Rhea-AI Filing Summary

SOLV Energy, Inc. (MWH) has a notice from 10% stockholder ASP VIII Alternative Investments Solstice, L.P. to sell Class A common stock under Rule 144. The filing lists a proposed sale of 4,859,347 shares of Class A common stock through Citadel Securities, LLC, with an aggregate market value of $134,944,066.19.

The shares were acquired before SOLV Energy, Inc.’s IPO. The notice also records that ASP VIII Alternative Investments Solstice, L.P. sold Class A common stock in registered secondary offerings on June 1 and June 4, 2026, which are stated as not counting toward the Rule 144 volume limits.

Key Figures

Shares planned for Rule 144 sale: 4,859,347 shares of Class A common stock Aggregate market value of planned sale: $134,944,066.19 Shares sold June 1, 2026: 7,681,633 shares +4 more

7 metrics

Shares planned for Rule 144 sale 4,859,347 shares of Class A common stock Number of SOLV Energy, Inc. shares identified for sale under Rule 144

Aggregate market value of planned sale $134,944,066.19 Market value associated with 4,859,347 Class A shares in the Rule 144 notice

Shares sold June 1, 2026 7,681,633 shares Class A common stock sold by ASP VIII Alternative Investments Solstice, L.P. in a registered secondary offering

Proceeds from June 1, 2026 sale $276,538,788.00 Value of Class A shares sold June 1, 2026 in a registered secondary offering

Shares sold June 4, 2026 1,152,243 shares Class A common stock sold by ASP VIII Alternative Investments Solstice, L.P. in a registered secondary offering

Proceeds from June 4, 2026 sale $41,480,748.00 Value of Class A shares sold June 4, 2026 in a registered secondary offering

Date of notice 08/19/2026 Date on which the Rule 144 notice was signed and submitted

Key Terms

Rule 144, registered secondary offering, 10% Stockholder, Class A common stock

4 terms

Rule 144 regulatory

"not included in the determination of the amount permitted to be sold under Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

registered secondary offering financial

"shares sold on June 1, 2026 and June 4, 2026 were sold in a registered secondary offering"

10% Stockholder regulatory

"Name of Person for Whose Account the Securities are To Be Sold ... 10% Stockholder"

Class A common stock financial

"Class A common stock | Citadel Securities, LLC ..."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

What does the Form 144 filing disclose for SOLV Energy, Inc. (MWH)?

The filing discloses that ASP VIII Alternative Investments Solstice, L.P., a 10% stockholder, intends to sell Class A common stock of SOLV Energy, Inc. under Rule 144, detailing the number of shares and their aggregate market value.

How many SOLV Energy, Inc. (MWH) shares are planned to be sold under Rule 144?

The notice covers a planned sale of 4,859,347 shares of SOLV Energy, Inc. Class A common stock. These shares were acquired before the company’s IPO and are being registered for potential resale under Rule 144 through a broker.

What is the aggregate market value of the SOLV Energy, Inc. (MWH) shares in the Form 144?

The planned Rule 144 sale corresponds to an aggregate market value of $134,944,066.19. This figure reflects the market value of the 4,859,347 Class A shares identified in the notice for potential sale through the named broker.

Who is selling SOLV Energy, Inc. (MWH) shares and what is their status?

The seller is ASP VIII Alternative Investments Solstice, L.P., identified as a 10% stockholder of SOLV Energy, Inc. The filing provides their identity for compliance with Rule 144, which governs resales of restricted and control securities.

Which broker is involved in the planned sale of SOLV Energy, Inc. (MWH) shares?

The filing names Citadel Securities, LLC as the broker for the planned sale of 4,859,347 Class A shares. The broker is listed together with the share amount, market value, and trading venue, which is identified as NASDAQ.

What recent sales of SOLV Energy, Inc. (MWH) stock by the same holder are disclosed?

The notice records that ASP VIII Alternative Investments Solstice, L.P. sold 7,681,633 shares for $276,538,788.00 on June 1, 2026 and 1,152,243 shares for $41,480,748.00 on June 4, 2026 in registered secondary offerings.

Are the June 2026 sales of SOLV Energy, Inc. (MWH) included in Rule 144 limits?

No. The filing states that the shares sold on June 1, 2026 and June 4, 2026 were sold in a registered secondary offering and are explicitly not included in determining the amount permitted to be sold under Rule 144.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/19/2026 - 08:41 PM Accepted by SEC EDGAR 08/19/2026 - 08:40 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002110368
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SOLV Energy, Inc.
SEC File Number	001-43117
Address of Issuer	16680 West Bernardo Drive San Diego CALIFORNIA 92127
Phone	(858)-251-4888
Name of Person for Whose Account the Securities are To Be Sold	ASP VIII Alternative Investments Solstice, L.P.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	10% Stockholder

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A common stock	Citadel Securities, LLC 830 Brickell Plaza Miami FL 33131	4859347	134944066.19	131056519	08/19/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A common stock	02/10/2026	Shares of Class A common stock were acquired prior to the Issuer's IPO.	Issuer			4859347	02/10/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ASP VIII Alternative Investments Solstice, L.P. 590 Madison Avenue 38th Floor New York NY 10022	Class A common Stock	06/04/2026	1152243	41480748.00
ASP VIII Alternative Investments Solstice, L.P. 590 Madison Avenue 38th Floor New York NY 10022	Class A common Stock	06/01/2026	7681633	276538788.00

144: Remarks and Signature

Remarks	The shares sold on June 1, 2026 and June 4, 2026 were sold in a registered secondary offering and are not included in the determination of the amount permitted to be sold under Rule 144.
Date of Notice	08/19/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Michael G. Fisch
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)