Insider filing · POST

William P Stiritz bought $3.9M of Post (POST)

Executed Aug 19 2025, disclosed Aug 21 2025, 2 days later.

Over the 21 trading sessions from the disclosed entry session (Aug 21 2025), the stock returned -5.9% (delay-adjusted); from the execution session (Aug 19 2025), -5.0%. Derived: entry at the session's open, exit at the close 20 sessions later.

WS William P Stiritz Director profile →

William P Stiritz (Director) filed 2 Form 4 reports in the past 24 months (2 purchases, 0 sales), most often in POST. Across 2 priced purchase filings, the average 21-session return was -3.8% from execution and -4.5% from disclosure (delay-adjusted; derived). The largest single filing was $20.4M of POST (186,740 sh × $109.12, as filed), executed Jun 5 2025.

POST POST POST · 21 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→