WILLIAM P. STIRITZ - 15 Oct 2025 SCHEDULE 13D/A Report for Post Holdings, Inc. Common Stock, $0.01 par value (POST)

Filing Manager: WILLIAM P. STIRITZ
Reporting Manager: William P. Stiritz
Security: Post Holdings, Inc. Common Stock, $0.01 par value
Symbol: POST
Shares outstanding: 52.5M shares
Disclosed Ownership: 4.88M shares
Ownership: 9.3%
Form type: SCHEDULE 13D/A
Filing time: 15 Oct 2025, 17:09:18 UTC
Date of event: 15 Oct 2025
Previous filing: 14 Feb 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
William P. Stiritz	9.3%	4.88M	4.5M	384K	/s/ William P. Stiritz	William P. Stiritz	0001052058