It has been a mixed year for Post Holdings, Inc. insiders: $176,000 bought by one person and $34.9 million sold by four, so more selling than buying overall.
The largest purchase came from KEMPER DAVID W (Director), about $176,000.
Big money check: 413 institutions held POST as of Q2 2026, and more funds sold than bought. Zooming out by quarter: 4 quarters in a row of net selling by insiders. Insiders bought in 3 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | STIRITZ WILLIAM P | Other | Sell | 277,707 | $84.23 | $23.4M | SEC |
| Sep 3, 2026 | STIRITZ WILLIAM P | Other | Sell | 6,207 | $84.63 | $525K | SEC |
| Sep 3, 2026 | STIRITZ WILLIAM P | Other | Sell | 99,990 | $83.54 | $8.4M | SEC |
| Sep 3, 2026 | STIRITZ WILLIAM P | Other | Sell | 228 | $85.01 | $19K | SEC |
| May 14, 2026 | CURL GREGORY L | Director | Sell | 6,186 | $105.05 | $650K | SEC |
| Feb 10, 2026 | CURL GREGORY L | Director | Sell | 6,983 | $114.31 | $798K | SEC |
| Dec 8, 2025 | HARPER BRADLY A | Executive Officer | Sell | 1,658 | $96.69 | $160K | SEC |
| Nov 26, 2025 | CATOGGIO NICOLAS | CEO | Sell | 10,000 | $100.21 | $1.0M | SEC |
| Nov 25, 2025 | KEMPER DAVID W | Director | Buy | 1,800 | $97.93 | $176K | SEC |
| Aug 21, 2025 | STIRITZ WILLIAM P | Director | Buy | 36,000 | $109.53 | $3.9M | SEC |
| Jun 9, 2025 | STIRITZ WILLIAM P | Director | Buy | 186,740 | $109.12 | $20.4M | SEC |
| Jun 9, 2025 | CATOGGIO NICOLAS | CEO | Sell | 1,750 | $108.97 | $191K | SEC |
| Mar 10, 2025 | CATOGGIO NICOLAS | CEO | Sell | 5,000 | $117.00 | $585K | SEC |
| Mar 5, 2025 | HARPER BRADLY A | Executive Officer | Sell | 2,000 | $114.59 | $229K | SEC |
| Mar 4, 2025 | CATOGGIO NICOLAS | CEO | Sell | 5,000 | $114.50 | $572K | SEC |
In the last 12 months Post Holdings, Inc. insiders made open-market purchases worth about $176,000 and sales worth about $34.9 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in POST was filed on 2026-09-03.
413 investment managers reported holding POST in SEC Form 13F filings for Q2 2026.
No congressional trades in POST were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).