---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-070472"
form_type: "8-K"
ticker: null
cik: "0001970509"
company_name: "Haymaker Acquisition Corp. 4"
filed_at: "2025-07-25T23:59:59+00:00"
generated_at: "2026-05-18T01:24:06.134234+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# HYAC shareholders approve 12-month extension to July 2026; 372K shares redeemed

## Summary
- Shareholders extended business combination deadline from July 28, 2025 to July 28, 2026 via monthly extensions.
- 372,101 Class A shares redeemed at ~$11.12/share for total ~$4.14M; 23.4M shares remain outstanding.
- Trust account after redemptions ~$251.6M; Sponsor to make monthly deposits up to $375k until deal or deadline.
- Brian Shimko appointed as Class I director for three-year term expiring at 2028 annual meeting.
- WithumSmith+Brown ratified as independent auditor for fiscal year ending December 31, 2025.

## SEC filing metadata
- accession: 0001104659-25-070472
- form_type: 8-K
- cik: 0001970509
- company_name: Haymaker Acquisition Corp. 4
- filed_at: 2025-07-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.03, 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1970509/000110465925070472/0001104659-25-070472-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1970509/000110465925070472/tm2521582d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-070472
- JSON: https://secwatch.observer/filing/0001104659-25-070472.json
- Plain text: https://secwatch.observer/filing/0001104659-25-070472.txt

## Key facts
- Governance Changes
  Haymaker Acquisition Corp. 4: Shareholders approved an amendment to extend the company's deadline to complete a business combination from July 28, 2025 to July 28, 2026, with monthly extensions for up to twelve months (effective 2025-07-24).
  - Change: charter amendment
  - Effective: 2025-07-24
  source text: On July 24, 2025, Haymaker Acquisition Corp. 4 (the “ Company ”) held an annual general meeting of shareholders (the “ Shareholder Meeting ”) at which the Company’s shareholders approved a proposal to amend the Company’s amended and restated memorandum and articles of association (as amended, the “ Memorandum and Articles of Association ”) to extend the date by which the Company has to consummate a business combination on a monthly basis for up to twelve times from July 28, 2025 to July 28, 2026 (the “ Extension Amendment Proposal ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1970509/000110465925070472/0001104659-25-070472-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.