Company: HYAC-WT
Filing Date: 2025-10-14
Form Type: 8-K/A
Source: 0001104659-25-099332
Chunk: 20

Company: Haymaker Acquisition Corp. 4
Filing Date: 2025-10-14
Form: 8-K/A
Chunk 20
---
maker presently know or currently believe are immaterial that could also cause actual results to differ from those contained in
the forward-looking statements. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue
reliance on forward-looking statements, and none of the parties or any of their representatives assumes any obligation and does not intend
to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise. None of the
parties or any of their representatives gives any assurance that PubCo, Suncrete or Haymaker will achieve its expectations.

| Item 9.01 | Financial Statements and Exhibits. |

(d) Exhibits.

| Exhibit 
 Number  
 2.1*+   |     | Description                                                                                                                            
 Business Combination Agreement, dated as of October 9, 2025, by and among the Company, Suncrete, PubCo, Merger Sub I and Merger Sub II |
|:--------|:----|:---------------------------------------------------------------------------------------------------------------------------------------|
| 10.1    |     | Form of Company Equityholder Support Agreement                                                                                         |
| 10.2+   |     | Sponsor Support Agreement                                                                                                              |
| 10.3    |     | Form of PIPE Subscription Agreement                                                                                                    |
| 104     |     | Cover Page Interactive Data File (embedded within the Inline XBRL document).                                                           |

| * | Exhibits and/or schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The registrant hereby undertakes to furnish supplementally copies of any of the omitted exhibits and schedules upon request by the SEC; provided, however, that the registrant may request confidential treatment pursuant to Rule 24b-2 under the Exchange Act for any exhibits or schedules so furnished. |

| + | Certain personally identifiable information has been omitted from this exhibit pursuant to Item 601(a)(6) of Regulation S-K. |

<div align='center'>SIGNATURE</div>

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

| October 14, 2025 | Haymaker Acquisition Corp. 4 |                                                     |
|:-----------------|:-----------------------------|:----------------------------------------------------|
|                  | By:                          | /s/ Christopher Bradley                             |
|                  | Name:                        | Christopher Bradley                                 |
|                  | Title:                       |