STIRITZ WILLIAM P - Insider Non-Derivative Transactions at Post Holdings, Inc. (POST) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 18, 2025, STIRITZ WILLIAM P's relationship to Post Holdings, Inc. (POST) is Other, and currently has 4,504,667.8 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other POST insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

STIRITZ WILLIAM P - Insider Non-Derivative Transactions of POST Common Stock

STIRITZ WILLIAM P - Insider Non-Derivative Transactions at POST

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 19, 2025	Disposition -- (Common Stock)	170000.8	101.81	4334667
Dec 19, 2025	M -- (Common Stock)	170000.8	0	4504667.8
Dec 18, 2025	Disposition -- (Common Stock)	10703.23	101.19	4334667
Dec 18, 2025	M -- (Common Stock)	10703.23	0	4345370.23
Aug 20, 2025	P -- (Common Stock)	36000	109.53	4334667
Jun 6, 2025	P -- (Common Stock)	186740	109.12	4298667
Feb 5, 2025	Acquisition -- (Common Stock)	2500	0	4111927
Jan 31, 2024	Acquisition -- (Common Stock)	2700	0	4109427
Feb 1, 2023	Acquisition -- (Common Stock)	2700	0	4106727