Greedy Insider
Post Holdings, Inc. (POST) Insider Trades and Scores
Post Holdings, Inc. (POST) insider trades: since Nov 28, 2025, Greedy Insider recorded 82 open-market buys and 19 sales on Form 4 from 11 insiders. The strongest recent filing scored 82 (Strong).
Who bought and who sold
Across the last 101 scoreable Form 4 transactions in POST, 82 were open-market purchases and 19 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| ERB THOMAS C | Director | Buy | 152.0 | 11073.2 | 2026-09-30 | 75 | View |
| JOHNSON JENNIFER KUPERMAN | Director | Buy | 152.0 | 11073.2 | 2026-09-30 | 75 | View |
| Zadoks Jeff A | Director | Buy | 152.0 | 11073.2 | 2026-09-30 | 72 | View |
| Atkinson Michelle Marie | Director | Buy | 152.0 | 11073.2 | 2026-09-30 | 78 | View |
| BURWELL DOROTHY M | Director | Buy | 152.0 | 11073.2 | 2026-09-30 | 75 | View |
| CURL GREGORY L | Director | Buy | 152.0 | 11073.2 | 2026-09-30 | 68 | View |
| KEMPER DAVID W | Director | Buy | 236.0 | 17192.6 | 2026-09-30 | 75 | View |
| SKARIE DAVID P | Director | Buy | 183.0 | 13331.55 | 2026-09-30 | 75 | View |
| STIRITZ WILLIAM P | Insider | Sell | 277707.0 | 23391260.0 | 2026-09-02 | 64 | View |
| STIRITZ WILLIAM P | Insider | Sell | 228.0 | 19382.28 | 2026-09-02 | 45 | View |
The strongest recent filing
Atkinson Michelle Marie (Director) bought 120 shares of Post Holdings, Inc. on May 29, 2026, a filing that scored 82 (Strong). It scored Strong because several insiders moved the same way within a week and it was direct personal ownership. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 8 insiders (ERB THOMAS C, CURL GREGORY L, BURWELL DOROTHY M, Atkinson Michelle Marie) traded POST the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Post Holdings, Inc.'s own history
Open-market buys make up 81% of the 101 scoreable POST transactions on record between Nov 28, 2025 and Sep 30, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 101
- Open-market buys: 82
- Sales: 19
- Distinct insiders: 11
- Strongest recent Greediness Score: 82 (Strong)
Primary sources
Related
- Strongest filing
- POST in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.