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

Filing Manager: STIRITZ WILLIAM P
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
Date filed: 10/15/2025, 05:09 PM
Date of event: Oct 15, 2025
Previous filing: Feb 14, 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