POST - Post Holdings, Inc.

Insider Purchase by Stiritz William P (Dir)

1 Year
After Trade
Before Trade

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Trade Summary

6 months ago, Stiritz William P, serving as Dir at Post Holdings, Inc. (POST), purchased 36,000 shares at $109.53 per share, for a total transaction value of $3,943,080.00. Following this transaction, Stiritz William P now holds 4,888,168 shares of POST.

This purchase represents a 1.00% increase in Stiritz William P's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, August 19, 2025 and publicly disclosed via SEC Form 4 filing on Thursday, August 21, 2025, 2 days after the trade was made.

Post Holdings, Inc. operates in the CONSUMER DEFENSIVE sector, specifically within the PACKAGED FOODS industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Stiritz William P

Dir

William P. Stiritz (born 1934 in Arkansas) is a veteran executive in the consumer packaged goods industry, best known for his transformative leadership at Ralston Purina Company, where he served as Chairman, President, and CEO from 1981 to 1997.[[2]](https://www.danielscrivner.com/who-is-william-stiritz-lessons-on-aximizing-returns-from-the-ceo-who-built-ralston-purina-and-post-holdings/)[[3]](https://www.hbs.edu/leadership/20th-century-leaders/details?profile=william_p_stiritz) Joining Ralston Purina in 1964, he rose through the ranks in the grocery products division, dramatically growing its profits before becoming CEO and streamlining the company by divesting non-core businesses, acquiring undervalued brands like Continental Baking and Energizer, and using spin-offs to unlock value, delivering exceptional shareholder returns of 20% annually, far outpacing peers and the S&P 500.[[2]](https://www.danielscrivner.com/who-is-william-stiritz-lessons-on-aximizing-returns-from-the-ceo-who-built-ralston-purina-and-post-holdings/)[[3]](https://www.hbs.edu/leadership/20th-century-leaders/details?profile=william_p_stiritz) A graduate of Washington University in St. Louis, Stiritz has held board chairs at Energizer Holdings and Ralcorp.[[3]](https://www.hbs.edu/leadership/20th-century-leaders/details?profile=william_p_stiritz)[[5]](https://commencement-archive.wustl.edu/people/william-p-stiritz/) Stiritz played a pivotal role in the formation and growth of Post Holdings, Inc. (NYSE: POST), serving as Chairman and CEO since its 2012 spin-off from Ralcorp until transitioning to Executive Chairman in November 2014, a position he continues to hold as a non-executive director.[[1]](https://www.globenewswire.com/news-release/2014/10/09/672103/31383/en/Post-Holdings-Announces-Management-Changes-Bill-Stiritz-to-Become-Executive-Chairman-Rob-Vitale-to-Become-President-and-CEO.html)[[4]](https://www.marketscreener.com/insider/WILLIAM-STIRITZ-A0079J/) Recently, as a director, he has engaged in insider trading at Post Holdings, reflecting his ongoing involvement with the consumer goods holding company focused on cereals, active nutrition, and private label products.[[1]](https://www.globenewswire.com/news-release/2014/10/09/672103/31383/en/Post-Holdings-Announces-Management-Changes-Bill-Stiritz-to-Become-Executive-Chairman-Rob-Vitale-to-Become-President-and-CEO.html)

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Trade Price

$109.53

Quantity

36,000

Total Value

$3,943,080.00

Shares Owned

4,888,168

Trade Date

Tuesday, August 19, 2025

187 days ago

SEC Filing Date

Thursday, August 21, 2025

Filed 2 days after trade

CONSUMER DEFENSIVEPACKAGED FOODS

About Post Holdings, Inc.

Company Overview

No company information available
View news mentioning POST

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