UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): August 13, 2025 ~~(August 11, 2025)~~

HIGHVIEW MERGER CORP.

(Exact name of registrant as specified in its charter)

Cayman Islands		001-42798		N/A
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

1615 South Congress Ave., Suite 103 Delray Beach, Florida 33445

Delray Beach, FL 33445

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (561) 826-6050

Not Applicable

(Former name or former address, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant	HVMCU	The Nasdaq Stock Market LLC
Class A ordinary shares, par value $0.0001 par value	HVMC	The Nasdaq Stock Market LLC
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share	HVMCW	The Nasdaq Stock Market LLC

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 1.01. Entry into a Material Definitive Agreement.

On August 13, 2025, Highview Merger Corp. (the “Company”) consummated its initial public offering (“IPO”) of 23,000,000 units (the “Units”), including 3,000,000 units sold pursuant to the full exercise of the underwriter’s over-allotment option. Each Unit consists of one Class A ordinary share of the Company, par value $0.0001 per share (the “Class A Ordinary Shares”), and one-half of one redeemable warrant (the “Warrants”). The Units were sold at a price of $10.00 per Unit, generating gross proceeds to the Company of $230,000,000.

In connection with the IPO, the Company entered into the following agreements, forms of which were previously filed as exhibits to the Company’s Registration Statement on Form S-1 (File No. 333-288914) for the IPO, initially filed with the U.S. Securities and Exchange Commission (the “Commission”) on July 24, 2025, as amended (the “Registration Statement”):

● An Underwriting Agreement, dated August 11, 2025, by and between the Company and Jefferies LLC, as representative of the underwriters, a copy of which is attached as Exhibit 1.1 hereto and incorporated herein by reference.

● A Warrant Agreement, dated August 11, 2025, by and between the Company and Continental Stock Transfer & Trust Company, as warrant agent, a copy of which is attached as Exhibit 4.1 hereto and incorporated herein by reference.

● A Letter Agreement, dated August 11, 2025 (the “Letter Agreement”), by and among the Company, its executive officers, its directors and the Company’s sponsor, Highview Sponsor Co., LLC (the “Sponsor”), a copy of which is attached as Exhibit 10.1 hereto and incorporated herein by reference.

● An Investment Management Trust Agreement, dated August 11, 2025, by and between the Company and Continental Stock Transfer & Trust Company, as trustee, a copy of which is attached as Exhibit 10.2 hereto and incorporated herein by reference.

● A Registration Rights Agreement, dated August 11, 2025, by and among the Company, the Sponsor and the Holders signatory thereto, a copy of which is attached as Exhibit 10.3 hereto and incorporated herein by reference.

● A Private Placement Units Purchase Agreement, dated August 11, 2025, by and between the Company and the Sponsor (the “Sponsor Private Placement Units Purchase Agreement”), a copy of which is attached as Exhibit 10.4 hereto and incorporated herein by reference.

● A Private Placement Units Purchase Agreement, dated August 11, 2025, by and between the Company and Jefferies LLC (the “Representative Private Placement Units Purchase Agreement,” and together with the Sponsor Private Placement Units Purchase Agreement, the “Private Placement Units Purchase Agreements”), a copy of which is attached as Exhibit 10.5 hereto and incorporated herein by reference.

● An Administrative Services and Indemnification Agreement, dated August 11, 2025, by and between the Company and the Sponsor, a copy of which is attached as Exhibit 10.6 hereto and incorporated herein by reference.

Item 3.02. Unregistered Sales of Equity Securities.

Simultaneously with the closing of the IPO, pursuant to the Private Placement Units Purchase Agreements, the Company completed the private sale of 660,000 units (the “Private Placement Units”) at the initial public offering price of $10.00 per unit (for an aggregate purchase price of $6,600,000). Of those 660,000 Private Placement Units, the Sponsor purchased 372,500 Private Placement Units and Jefferies LLC purchased 287,500 Private Placement Units. Each Private Placement Unit consists of one Class A ordinary share and one-half of one warrant. The Private Placement Units are identical to the Units sold in the IPO, except as otherwise disclosed in the Registration Statement. No underwriting discounts or commissions were paid with respect to such sale. The issuance of the Private Placement Units was made pursuant to the exemption from registration contained in Section 4(a)(2) of the Securities Act of 1933, as amended.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On August 11, 2025, in connection with the IPO, Ted Zagat, Alex Harstrick and Chris Licht were appointed to the board of directors of the Company (the “Board”). Mr. Zagat, Mr. Harstrick and Mr. Licht are independent directors. Effective August 11, 2025, Mr. Zagat, Mr. Harstrick and Mr. Licht were appointed to the Board’s Audit Committee and Mr. Zagat and Mr. Harstrick were appointed to the Compensation Committee, with Mr. Zagat serving as chair of the Audit Committee and Mr. Harstrick serving as chair of the Compensation Committee.

Following the appointment of Mr. Zagat, Mr. Harstrick and Mr. Licht, the Board is comprised of the following three classes: the term of office of the first class of directors, Class I, consists of Mr. Harstrick and will expire at the Company’s first annual meeting of shareholders; the term of office of the second class of directors, Class II, consists of Mr. Zagat and Mr. Licht and will expire at the Company’s second annual meeting of shareholders; and the term of office of the third class of directors, Class III, consists of Mr. Boris and Mr. Rettig and will expire at the Company’s third annual meeting of shareholders.

On August 11, 2025, in connection with their appointments to the Board, each of the members of the Board entered into the Letter Agreement as well as an indemnity agreement with the Company in the form previously filed as Exhibit 10.5 to the Registration Statement. Each of the members of the Board has received membership interests in the Sponsor as compensation for their service as directors to the Company.

Other than the foregoing, none of the directors are party to any arrangement or understanding with any person pursuant to which they were appointed as directors, nor are they party to any transactions required to be disclosed under Item 404(a) of Regulation S-K involving the Company.

The foregoing descriptions of the Letter Agreement and the form of indemnity agreement do not purport to be complete and are qualified in their entireties by reference to the Letter Agreement and form of indemnity agreement, copies of which are attached as Exhibit 10.1 hereto and Exhibit 10.5 to the Registration Statement, respectively, and are incorporated herein by reference.

Item 5.03. Amendments to Certificate of Incorporation or Bylaws; Change in Fiscal Year.

On August 11, 2025, in connection with the IPO, the Company adopted its Amended and Restated Memorandum and Articles of Association (the “Amended Charter”), effective the same day. The terms of the Amended Charter are set forth in the Registration Statement and are incorporated herein by reference. A copy of the Amended Charter is attached as Exhibit 3.1 hereto and incorporated herein by reference.

Item 8.01. Other Events.

AAs ~~total~~previously ~~of $230~~reported,~~000,000,~~ ~~comprised~~on ofAugust ~~$225~~13,~~400~~ 2025,~~000~~ ofHighview ~~the~~Merger ~~proceeds~~Corp. ~~from~~ (the ~~IPO~~“Company”) ~~(which~~consummated ~~amount~~its ~~includes~~initial ~~$9,200,000~~public ~~of the underwriters’~~offering ~~deferred discount~~(“IPO”) ~~and~~of $423,~~600~~000,000 ~~representing~~units ~~certain~~(the ~~proceeds~~“Units”), ofincluding the ~~sale~~issuance of ~~the Private Placement Shares~~3,000,000 ~~was~~Units ~~placed~~as in a ~~U.S.-based~~result ~~trust~~of ~~account~~the atunderwriters’ ~~J.P.~~full ~~Morgan~~exercise ~~Chase~~of ~~Bank,~~their ~~N.A.~~over-allotment ~~maintained by Continental Stock Transfer & Trust Company, acting as trustee~~option. ~~Except with~~Each ~~respect~~Unit toconsists ~~interest~~of ~~earned~~one onordinary ~~the~~share ~~funds~~of ~~held in~~ the ~~trust account that may be released to the~~ Company ~~to pay its taxes~~, ~~if any,~~par ~~the~~value ~~funds~~$0.0001 ~~held~~per inshare (the ~~trust~~“Ordinary ~~account~~Shares”), ~~will~~and ~~not~~one-half ~~be released from the trust account until the earliest~~ of ~~(i)~~one inredeemable ~~connection~~warrant ~~with the completion~~ of the Company’s ~~initial business combination,~~ (~~ii)~~each ~~the redemption of any Class A Ordinary Shares if the Company is unable to complete~~whole ~~its initial business combination within 24 months from the closing of the IPO~~warrant, ~~subject~~a ~~to applicable law or (iii~~“Warrant”). ~~the~~The ~~redemption~~Units ofwere ~~Class A~~sold ~~Ordinary~~at ~~Shares properly submitted in connection with~~ a ~~shareholder~~price ~~vote to amend the Company’s Amended Charter to (A) modify the substance or timing~~ of ~~the~~$10.00 ~~Company’s~~per ~~obligation~~Unit, togenerating ~~allow~~gross ~~redemption~~proceeds ~~in connection with its initial business combination or~~ to ~~redeem 100% of~~ the ~~Class A Ordinary Shares if the~~ Company ~~has not consummated an initial business combination within 24 months from~~ ~~the closing~~ of ~~the IPO or (B) with respect to any other material provisions relating to shareholders’ rights or pre-initial business combination activity~~$230,000,000.

OnAlso as previously reported, on August 1113, 2025, simultaneously with the ~~Company~~closing ~~issued~~of athe ~~press~~IPO, ~~release~~the ~~announcing~~Company completed the ~~pricing~~private sale (the “Private Placement”) of an aggregate of 660,000 Units (the ~~IPO~~“Private Placement Units”) to Highview Sponsor Co., LLC (the “Sponsor”) and Jefferies LLC (“Jefferies”) at a ~~copy~~purchase price of ~~which~~$10.00 isper ~~attached~~Private asPlacement Unit, ~~Exhibit~~generating ~~99.1~~gross proceeds to the Company of $6,600,000. Of those 660,000 Private Placement Units, the Sponsor purchased 372,500 ~~this~~Private ~~Current~~Placement ~~Report~~Units onand ~~Form~~Jefferies ~~8-K~~purchased 287,500 Private Placement Units.

OnA ~~August~~total 13of $230,000,000, ~~2025~~comprised of $225,400,000 of the ~~Company~~proceeds ~~issued~~from athe ~~press~~IPO ~~release~~(which ~~announcing~~amount ~~the~~includes ~~closing~~$9,200,000 of the ~~IPO~~underwriters’ deferred discount) and $4,600,000 arepresenting ~~copy~~certain proceeds of ~~which~~the issale ~~attached~~of asthe ~~Exhibit~~Private ~~99.2~~Placement ~~to this~~Units ~~Current~~was ~~Report~~placed onin ~~Form~~a 8U.S.-Kbased trust account at J.P. Morgan Chase Bank, N.A. maintained by Continental Stock Transfer & Trust Company, acting as trustee.

2An audited balance sheet as of August 13, 2025 reflecting receipt of the proceeds upon consummation of the IPO and the Private Placement has been issued by the Company and is included as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

(d)

Exhibits

EXHIBIT INDEX

Exhibit No.		Description
1.1		Underwriting Agreement, dated August 11, 2025, by and between the Company and Jefferies LLC as representative of the underwriters.
99.1		Audited Balance Sheet as of August 13, 2025.
3.1		Amended and Restated Memorandum and Articles of Association.
104		Cover Page Interactive Data File (formatted as Inline XBRL)
4.1		Warrant Agreement, dated August 11, 2025, by and between the Company and Continental Stock Transfer & Trust Company, as warrant agent.
10.1		Letter Agreement, dated August 11, 2025, by and among the Company, its executive officers, its directors and Highview Sponsor Co., LLC.
10.2		Investment Management Trust Agreement, dated August 11, 2025, by and between the Company and Continental Stock Transfer & Trust Company, as trustee.
10.3		Registration Rights Agreement, dated August 11, 2025, by and among the Company, Highview Sponsor Co., LLC and the Holders signatory thereto.
10.4		Private Placement Units Purchase Agreement, dated August 11, 2025, by and between the Company and Highview Sponsor Co., LLC.
10.5		Private Placement Units Purchase Agreement, dated August 11, 2025, by and between the Company and Jefferies LLC.
10.6		Administrative Services and Indemnification Agreement, dated August 11, 2025, by and between the Company and Highview Sponsor Co., LLC.
99.1		Press Release, dated August 11, 2025.
99.2		Press Release, dated August 13, 2025.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

~~HIGHVIEW~~SOLARIUS ~~MERGER~~CAPITAL ACQUISITION CORP. By: /s/ David Boris Name: David Boris Title: Chief Executive Officer and Chief Financial Officer

Dated: August 1319, 2025

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