Insider · CIK 0001052058
William P Stiritz
directorother
Files at POST (Post Holdings, Inc.). First filing Jun 9, 2025, latest Sep 3, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 1
$20M bought, $32M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
POST: Post Holdings, Inc.
POSTOct 9, 2026 · close 74.82
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 53Moderate | POSTsell Post Holdings, Inc. | $32M 384,132 shares | -100% | +10% from low-27% from high | |
| 50Moderate | POSTbuy Post Holdings, Inc. | $20M 186,740 shares | +5% | +4% from low-10% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | POST Post Holdings, Inc. | SOpen-market sale Common Stockindirect: By Spouse | -99,990 | $83.54 | $8.4M | 284,142 | 39 d ago |
| Sep 1, 2026 | POST Post Holdings, Inc. | SOpen-market sale Common Stockindirect: By Spouse | -6,207 | $84.63 | $525k | 277,935 | 39 d ago |
| Sep 2, 2026 | POST Post Holdings, Inc. | SOpen-market sale Common Stockindirect: By Spouse | -277,707 | $84.23 | $23M | 228 | 39 d ago |
| Sep 2, 2026 | POST Post Holdings, Inc. | SOpen-market sale Common Stockindirect: By Spouse | -228 | $85.01 | $19k | 0 | 39 d ago |
| Jun 5, 2025 | POST Post Holdings, Inc. | POpen-market purchase Common Stock | +186,740 | $109.12 | $20M | 4,298,667 | Jun 9, 2025 |
| May 30, 2025 | POST Post Holdings, Inc. | AGrant or award Post Holdings, Inc. Stock Equivalentsderivative | +100 | $110.59 | $11k | 180,055 | Jun 3, 2025 |
| Apr 30, 2025 | POST Post Holdings, Inc. | AGrant or award Post Holdings, Inc. Stock Equivalentsderivative | +98 | $113.17 | $11k | 179,969 | May 2, 2025 |
| Mar 31, 2025 | POST Post Holdings, Inc. | AGrant or award Post Holdings, Inc. Stock Equivalentsderivative | +95 | $116.36 | $11k | 179,906 | Apr 2, 2025 |
| Nov 29, 2024 | POST Post Holdings, Inc. | AGrant or award Post Holdings, Inc. Stock Equivalentsderivative | +92 | $120.48 | $11k | 179,600 | Dec 3, 2024 |
| Oct 31, 2024 | POST Post Holdings, Inc. | AGrant or award Post Holdings, Inc. Stock Equivalentsderivative | +102 | $109.21 | $11k | 179,535 | Nov 4, 2024 |
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.