Post Holdings (POST) stock: insider trades, news & valuation
Net sellingShare price and insider trades
Post Holdings insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $176K and 4 sold $34.9M of POST stock on the open market.
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POST insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $32.3M | 4 |
| Q2 2026 | — | 0 | $650K | 1 |
| Q1 2026 | — | 0 | $798K | 1 |
| Q4 2025 | $176K | 1 | $1.2M | 2 |
Valuation, profit and volume
Summary
Over the past 12 months, 1 Post Holdings, Inc. insider reported open-market purchases totaling $176K, while 4 insiders reported sales totaling $34.9M. 0 of 8 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 3SEC | William P StiritzChair | Sell | 277,707228 held (−100%) | $84.23 | $23.4M | -11.2% | — |
| Sep 3SEC | William P StiritzChair | Sell | 99,990284,142 held (−26%) | $83.54 | $8.4M | -10.4% | — |
| Sep 3SEC | William P StiritzChair | Sell | 6,207277,935 held (−2%) | $84.63 | $525K | -11.6% | — |
| Sep 3SEC | William P StiritzChair | Sell | 228 | $85.01 | $19K | -12.0% | — |
| May 14SEC | Gregory L CurlDirector | Sell | 6,18615,107 held (−29%) | $105.05 | $650K | -28.8% | — |
| Feb 10SEC | Gregory L CurlDirector | Sell | 6,98321,293 held (−25%) | $114.31 | $798K | -34.5% | — |
| Dec 8SEC | Bradly A HarperSvp, Chief Accting Officer | Sell | 1,65811,441 held (−13%) | $96.69 | $160K | -22.6% | — |
| Nov 26SEC | Nicolas CatoggioCEO | Sell | 10,00075,542 held (−12%) | $100.21 | $1.0M | -25.3% | — |
| Nov 25SEC | David W KemperDirector | Buy | 1,80031,522 held (+6%) | $97.93 | $176K | -23.6% | — |
Insiders at Post Holdings, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| William P StiritzChair | — | $32.3M | Sep 3, 2026 | — |
| Gregory L CurlDirector | — | $1.4M | May 14, 2026 | — |
| Nicolas CatoggioCEO | — | $1.0M | Nov 26, 2025 | — |
| David W KemperDirector | $176K | — | Nov 25, 2025 | — |
| Bradly A HarperSvp, Chief Accting Officer | — | $160K | Dec 8, 2025 | — |
POST stock: common questions
Are Post Holdings, Inc. insiders buying POST stock?
In the past 12 months, 1 insiders reported open-market purchases of POST worth $176K. The latest was Director David W Kemper bought $176K of POST at $97.93 — first open-market purchase in our records.
Are Post Holdings, Inc. insiders selling POST stock?
4 insiders reported sales worth $34.9M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is POST's 52-week range?
Over the past year POST has traded between $72.54 and $114.61. It last closed at $74.82 on Oct 9, 2026.