Insider trade

Post Holdings (POST)Director bought ~$3.94M

William P Stiritz, Director at Post Holdings, bought ~$3.94M of Post Holdings shares.

~$3.94M
Approx. value · 36K sh @ $109.53
4.33M
Holds after · shares reported
Traded
Aug 19, 2025
Filed
Aug 21, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Aug 19, 2025 · this disclosureInsiderDirector purchased ~$3.94M of POST shares in the open market

What came next

  1. Oct 16, 2025Company filing · Form 8-K · Bylaws or charterChanged its bylaws, charter or fiscal year
  2. Nov 18, 2025Company filing · Form 8-K · Results, Executive changeChanged a top executive or board member, and reported its results“On November 18, 2025, William P. Stiritz, Chairman of the Company’s Board of Directors (the “Board”), notified the Company of his decision to retire from the Board.”
  3. Nov 18, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“(e) Named Executive Officer Compensatory Awards. The Corporate Governance and Compensation Committee (the “Committee”) of the Board of Directors of Post Holdings, Inc. (the “Company” or “Post”) approved the grant of stock-based awards to certain of its named executive officers on November 18, 2025.”
  4. Nov 24, 2025Insider · First buy since 2020Director purchased ~$176K of POST shares in the open market
  5. Nov 25, 2025InsiderCEO sold ~$1M of POST shares in the open market
  6. Dec 5, 2025InsiderOfficer sold ~$160K of POST shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Post Holdings

For Post Holdings, OQRO holds 4 insider filings (SEC Form 4 or Form 144) and 7 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its POST page.

Other recent filings by William P Stiritz, Director

The full history of William P Stiritz, Director is on the profile page.

How this filing works

Other disclosures at Post Holdings

Everything OQRO holds on this company is on its POST page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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