Westchester Capital Management, LLC - 30 Sep 2025 SCHEDULE 13G/A Report for Haymaker Acquisition Corp. 4 Class A ordinary shares, $0.0001 par value per share (HYAC)

Filing Manager: Westchester Capital Management, LLC
Reporting Manager: Westchester Capital Management, LLC
Security: Haymaker Acquisition Corp. 4 Class A ordinary shares, $0.0001 par value per share
Symbol: HYAC
Shares outstanding: 23,418,303 shares
Disclosed Ownership: 1,932,010 shares
Ownership: 8.2%
Form type: SCHEDULE 13G/A
Filing time: 14 Nov 2025, 06:03:25 UTC
Date of event: 30 Sep 2025
Previous filing: 14 May 2025
SEC: View on sec.gov

Reporting Managers (4)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title
Westchester Capital Management, LLC	8.2%	1,932,010	74,174	1,857,836	/s/ CaSaundra Wu	CaSaundra Wu, Chief Compliance Officer
Westchester Capital Partners, LLC	0.03%	7,018	7,018	0	/s/ CaSaundra Wu	CaSaundra Wu, Chief Compliance Officer
Virtus Investment Advisers, LLC	7.9%	1,857,836	0	1,857,836	/s/ Chetram Persaud	Chetram Persaud, Chief Compliance Officer
The Merger Fund	7.6%	1,780,002	0	1,780,002	/s/ Daphne Chisolm	Daphne Chisolm, Vice President, Counsel and Assistant Secretary