# Haymaker Acquisition Corp. 4 (HYAC-WT) — merger/definitive [completed]
Source: SEC API (secapi.ai) · situation sit_035ee4a47f8b7fab24fc · retrieved 2026-08-12T21:23:46.649Z

## Overview
Haymaker Acquisition Corp. 4 is a blank-check company (SPAC) incorporated in the Cayman Islands, engaged in a business combination with Suncrete, a concrete-related operating company.

Haymaker Acquisition Corp. 4 entered into a Business Combination Agreement with Suncrete, Inc. (PubCo) and Concrete Partners Holding, LLC (Suncrete) on October 9, 2025. In connection with the agreement, PIPE investors committed approximately $82.5 million in shares of PubCo Class A Common Stock and Pre-Funded Common Stock Purchase Warrants on October 9, 2025. On January 30, 2026, the Company and PubCo entered into additional subscription agreements with investors for an additional commitment amount of $23 million, bringing total PIPE commitments to approximately $105.5 million.

## Terms
- Counterparty: Suncrete, Inc. (PubCo) and Concrete Partners Holding, LLC (Suncrete) · Consideration: stock

## Key dates
- Announced 2026-01-14 · Completed 2026-04-09

## Timeline
- 2026-01-14 · 425 (0001104659-26-003770): 425 - Haymaker Acquisition Corp. 4 — *Haymaker Acquisition Corp. 4 is a blank-check company (SPAC) incorporated in the Cayman Islands, engaged in a business combination with Suncrete, a concrete-related operating company.* Haymaker Acquisition Corp. 4 (a Cayman Islands exempted company) and Suncrete, Inc. (a Delaware corporation and direct wholly owned subsidiary of Haymaker, referred to as "PubCo") entered into a business combination agreement on October 9, 2025, with Concrete Partners Holding, LLC ("Suncrete"), a Delaware limited liability company. The transaction is structured through two merger subsidiaries (Haymaker Merger Sub I, Inc. and Haymaker Merger Sub II, LLC), both direct wholly owned subsidiaries of PubCo. On January 14, 2026, Haymaker and Suncrete held an Analyst Day event to discuss the proposed business combination. A registration statement on Form S-4 has been filed with the SEC, which includes a proxy statement/prospectus for Haymaker shareholders to vote on the business combination and a prospectus for PubCo securities to be issued in connection with the transaction.
  https://www.sec.gov/Archives/edgar/data/1970509/0001104659-26-003770.txt
- 2026-02-04 · 425 (0001104659-26-010029): 425 - Haymaker Acquisition Corp. 4 — Haymaker Acquisition Corp. 4 entered into a Business Combination Agreement with Suncrete, Inc. (PubCo) and Concrete Partners Holding, LLC (Suncrete) on October 9, 2025. In connection with the agreement, PIPE investors committed approximately $82.5 million in shares of PubCo Class A Common Stock and Pre-Funded Common Stock Purchase Warrants on October 9, 2025. On January 30, 2026, the Company and PubCo entered into additional subscription agreements with investors for an additional commitment amount of $23 million, bringing total PIPE commitments to approximately $105.5 million.
  https://www.sec.gov/Archives/edgar/data/1970509/0001104659-26-010029.txt
- 2026-04-09 · 25-NSE (0000876661-26-000347): 25-NSE
  https://www.sec.gov/Archives/edgar/data/1970509/000087666126000347/xslF25X02/primary_doc.xml
- 2026-04-14 · 15-12G (0001104659-26-043243): 15-12G FORM 15-12G
  https://www.sec.gov/Archives/edgar/data/1970509/000110465926043243/tm2611677d1_1512g.htm

## Citations
- 0001104659-26-003770 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000110465926003770
- 0001104659-26-010029 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000110465926010029
- 0000876661-26-000347 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000087666126000347
- 0001104659-26-043243 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000110465926043243