Company: RMIX
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001104659-25-110488
Chunk: 38

Company: Suncrete, Inc.
Filing Date: 2025-11-12
Form: S-4
Chunk 38
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 ​ | Annex E: Form of Proposed Certificate of Incorporation of PubCo | ​ | ​ | ​ | ​ | E-1 | ​ | ​ |
| ​ | Annex F: Form of Proposed Bylaws of PubCo                       | ​ | ​ | ​ | ​ | F-1 | ​ | ​ |
| ​ | Annex G: Form of 2025 Plan                                      | ​ | ​ | ​ | ​ | G-1 | ​ | ​ |
| ​ | Annex H: Form of ESPP                                           | ​ | ​ | ​ | ​ | H-1 | ​ | ​ |
| ​ | Annex I: Form of Warrant Agreement Amendment                    | ​ | ​ | ​ | ​ | I-1 | ​ | ​ |

ii

TABLE OF CONTENTS

### ADDITIONAL INFORMATION
This document, which forms part of a registration statement on Form S-4 filed with the U.S. Securities and Exchange Commission (the “SEC”) by Suncrete, Inc. (“New Suncrete” or “PubCo”) (File No. [•]) (the “Registration Statement”), constitutes a prospectus of PubCo under Section 5 of the Securities Act of 1933, as amended (the “Securities Act”), with respect to the shares of PubCo Class A Common Stock to be issued if the Business Combination described below is consummated and warrants to purchase shares of PubCo Class A Common Stock upon consummation of the Business Combination. This document also constitutes a notice of meeting and a proxy statement under Section 14(a) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), with respect to the Shareholders’ Meeting of Haymaker Acquisition Corp. 4 (“Haymaker” or “SPAC”) at which Haymaker shareholders will be asked to consider and vote upon two separate proposals to approve the Business Combination and to approve and adopt the Business Combination Agreement, among other matters.

This proxy statement/prospectus incorporates important business and financial information about Haymaker that is not included in or delivered with the document.

You may request copies of this proxy statement/prospectus, without charge, by written or oral request to Haymaker’s proxy solicitor at:

<div align='center'>Sodali & Co. 
 430 Park Avenue, 14th Floor 
 New York, New York 10022 
 Stockholders Call Toll-Free in North America: (800) 662-5200 
 Outside of North America Call Collect: (203) 658-940