William P Stiritz sold $32M of POST
other at Post Holdings, Inc.. 384,132 shares at an average of $84.06, traded Sep 1, 2026, filed Sep 3, 2026.
Score components
- +8RoleOther
- +25Trade size$32.3M at market
- +20Share of holdings soldSold 100% of holdings
- 0ClusterNo other insider selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001052058-26-000005, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | SOpen-market sale Common Stockindirect: By Spouse | -99,990 | $83.54 | $8.4M | 284,142 | 42 d ago |
| Sep 1, 2026 | SOpen-market sale Common Stockindirect: By Spouse | -6,207 | $84.63 | $525k | 277,935 | 42 d ago |
| Sep 2, 2026 | SOpen-market sale Common Stockindirect: By Spouse | -277,707 | $84.23 | $23M | 228 | 42 d ago |
| Sep 2, 2026 | SOpen-market sale Common Stockindirect: By Spouse | -228 | $85.01 | $19k | 0 | 42 d ago |
Related signals
Other insiders at Post Holdings, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 45Moderate | POSTsell Post Holdings, Inc. | Gregory L Curl director | $650k 6,186 shares | -29% | |
| 42Moderate | POSTsell Post Holdings, Inc. | Gregory L Curl director | $798k 6,983 shares | -25% | |
| 39Weak | Post Holdings, Inc. | Bradly A Harper SVP, CHIEF ACCTING OFFICER | $160k 1,658 shares | -13% | |
| 63Notable | Post Holdings, Inc. | Nicolas Catoggio PRES & CEO, PCB | $1.0M 10,000 shares | -12% | |
| 44Moderate | POSTbuy Post Holdings, Inc. | David W Kemper director | $176k 1,800 shares | +6% | |
| 50Moderate | POSTbuy Post Holdings, Inc. | William P Stiritz director | $3.9M 36,000 shares | +1% | |
| 37Weak | POSTsell Post Holdings, Inc. | Nicolas Catoggio PRES & CEO, PCB | $191k 1,750 shares | -4% | |
| 50Moderate | POSTbuy Post Holdings, Inc. | William P Stiritz director | $20M 186,740 shares | +5% | |
| 59Moderate | Post Holdings, Inc. | Nicolas Catoggio PRES & CEO, PCB | $585k 5,000 shares | -10% | |
| 48Moderate | Post Holdings, Inc. | Bradly A Harper SVP, CHIEF ACCTING OFFICER | $229k 2,000 shares | -19% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.