Post Holdings (POST)Insider sold ~$23.4M

~$23.4M

Approx. value · 278K sh @ $84.23

228

Holds after · shares reported

Traded

Sep 2, 2026

Filed

Sep 3, 2026

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. May 5, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“Executive Transitions As previously disclosed in the Original Form 8-K, on May 5, 2026, the Company’s Board of Directors (the “Board”) approved the transition of Robert V. Vitale, the Company’s current President and Chief Executive Officer, to the role of Executive Chairman of the Company, and the appointment of Nicolas Catoggio, the Company’s current Executive Vice President and Chief Operating Officer, to the role…”
2. Aug 6, 2026Company filing · Form 8-K · ResultsReported its results
3. Sep 1, 2026Insider · 1 personInsiders: 2 sales (~$8.9M)
4. Sep 2, 2026 · this disclosureInsiderInsider sold ~$23.4M of POST shares in the open market

What came next

1. Sep 2, 2026InsiderInsider sold ~$19K of POST shares in the open market

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 STIRITZ WILLIAM P, Reporting person

• SEC Form 4 at Post Holdings (POST)Sep 3, 2026
• SEC Form 4 at Post Holdings (POST)Sep 3, 2026
• SEC Form 4 at Post Holdings (POST)Sep 3, 2026
• SEC Form 4 at Post Holdings (POST)Aug 21, 2025
• SEC Form 4 at Post Holdings (POST)Jun 9, 2025

The full history of STIRITZ WILLIAM P, Reporting person is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Post Holdings

• SEC Form 4Sep 3, 2026
• SEC Form 4Sep 3, 2026
• SEC Form 4Sep 3, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

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