Company: RMIX
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001104659-25-110488
Chunk: 2

Company: Suncrete, Inc.
Filing Date: 2025-11-12
Form: S-4
Chunk 2
---
 |   | ​ | ​ | PrimaryStandardIndustrialClassificationCode Number |   |      |   | ​ | ​ | I.R.S.EmployerIdentificationNumber |   |            |   | ​ |
| Concrete Partners Holding, LLC                                | ​ | ​ | ​                                                         | ​ | Delaware | ​ | ​ | ​ | ​                                                  | ​ | 3273 | ​ | ​ | ​ | ​                                  | ​ | 26-2336482 | ​ | ​ |

(1) The Co-Registrant has the following principal executive office: Concrete Partners Holding, LLC
817 E. 4th Street
Tulsa, OK 74120
(918) 355-5700 (2) The agent for service for the Co-Registrant is: Randall Edgar
Chief Executive Officer
Concrete Partners Holding, LLC
817 E. 4th Street
Tulsa, OK 74120
(918) 355-5700

TABLE OF CONTENTS

**The information in this preliminary proxy statement/prospectus is not complete and may be changed. The registrant may not sell the securities described in this preliminary proxy statement/ prospectus until the registration statement filed with the Securities and Exchange Commission is declared effective. This preliminary proxy statement/prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.**

<div align='center'>**PRELIMINARY PROXY STATEMENT/PROSPECTUS — SUBJECT TO COMPLETION,**</div>

#### DATED NOVEMBER 12, 2025

### PROXY STATEMENT

### FOR EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS

#### AND

### SPECIAL MEETING OF PUBLIC WARRANT HOLDERS

#### OF

#### HAYMAKER ACQUISITION CORP. 4
<div align='center'>**(A CAYMAN ISLANDS EXEMPTED COMPANY)**</div>

### PROSPECTUS FOR

#### 37,414,474 SHARES OF CLASS A COMMON STOCK

#### AND

#### 26,793,525 SHARES OF CLASS B COMMON STOCK

#### AND

### SHARES OF CLASS A COMMON STOCK ISSUABLE

### UPON CONVERSION OF CLASS B COMMON STOCK

#### AND

#### 11,898,800 WARRANTS

#### AND

#### 11,898,800 SHARES OF CLASS A COMMON STOCK

### ISSUABLE UPON EXERCISE OF WARRANTS