BERKLEY W R CORP - 30 Sep 2025 SCHEDULE 13G Report for HAYMAKER ACQUISITION CORP. 4 Class A Ordinary Shares, par value $0.0001 per share (HYAC)

Filing Manager: BERKLEY W R CORP
Reporting Manager: W. R. Berkley Corporation
Security: HAYMAKER ACQUISITION CORP. 4 Class A Ordinary Shares, par value $0.0001 per share
Symbol: HYAC
Shares outstanding: 23.3M shares
Disclosed Ownership: 1.68M shares
Ownership: 7.2%
Form type: SCHEDULE 13G
Filing time: 10 Nov 2025, 18:17:02 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
W. R. Berkley Corporation	7.2%	1.68M	0	1.68M	/s/ Richard M. Baio	Richard M. Baio/Executive Vice President and Chief Financial Officer
Berkley Insurance Company	7.2%	1.68M	0	1.68M	/s/ Richard M. Baio	Richard M. Baio/Executive Vice President and Treasurer