Company: HYAC-WT
Filing Date: 2025-10-10
Form Type: 425
Source: 0001104659-25-098547
Chunk: 3

Company: Haymaker Acquisition Corp. 4
Filing Date: 2025-10-10
Form: 425
Chunk 3
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Co entered into subscription agreements (the “Subscription Agreements”) with
certain accredited investors and qualified institutional buyers (collectively, the “PIPE Investors”), pursuant to which, among
other things, PubCo agreed to issue and sell to the PIPE Investors, in a private placement to close immediately prior to the closing of
the Acquisition Merger, an aggregate of approximately $82.5 million in shares of PubCo Class A Common Stock and, in certain circumstances,
Pre-Funded Common Stock Purchase Warrants to purchase PubCo Class A Common Stock (the “PIPE Investment”).

Copies of the Business Combination Agreement,
the Company Equityholder Support Agreement, the Sponsor Support Agreement and the form of Subscription Agreement will be filed by an amendment
on Form 8-K/A to this Current Report (this “Report”) within four business days of October 9, 2025, and the foregoing
descriptions of each of such agreements are qualified in their entirety by reference thereto.

| Item 7.01 | Regulation FD Disclosure. |

On October 9, 2025, the parties jointly issued
a press release announcing the execution of the Business Combination Agreement. A copy of the press release is furnished herewith as Exhibit
99.1 and is incorporated by reference herein. Exhibit 99.2 furnished herewith and incorporated by reference herein is an investor
presentation that may be used by SPAC and PubCo in connection with the Business Combination.

The information in this Item 7.01, including Exhibits
99.1 and 99.2, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act
of 1934, as amended (the “Exchange Act”), or otherwise subject to liabilities under that section, and shall not be deemed
to be incorporated by reference into the filings of SPAC under the Securities Act of 1933, as amended (the “Securities
Act”), or the Exchange Act, regardless of any general incorporation language in such filings. This Report will not be deemed
an admission as to the materiality of any of the information in this Item 7.01, including Exhibits 99.1 and 99.2.

Additional Information and Where To Find It

In connection with the Business Combination, PubCo
and Suncrete intend to file with the United States Securities and Exchange Commission (the “SEC”) a registration statement
on Form S-4, which will include a proxy statement with respect to Haymaker