POST
Post Holdings, Inc. · Manufacturing · Market cap $3.2B
Insiders sold $32.3M net in the last 90 days ·1 seller, 0 buyers· latest Form 4 filed Sep 3, 2026
Insider Buying
$176K
reported purchases (SEC code P)
Insider Selling
$34.9M
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Sep 3, 2026
STIRITZ WILLIAM P
Post Holdings, Inc. (POST) has 53 SEC Form 4 filings (112 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Sep 3, 2026.
Inside the rolling window, 5 insiders at Post Holdings, Inc. reported 1 open-market purchase totaling $176K and 6 open-market sales totaling $34.9M. Insiders have net sold $32.9M over the trailing 6 months. The most recent open-market filing is a sale of 106,197 shares by Insider STIRITZ WILLIAM P, dated Sep 1, 2026, worth $8.9M.
- Industry:Packaged Foods
- CEO:Robert V. Vitale
- Employees:13,180
- HQ:Saint Louis, MO, US
- IPO:2012-01-27
| Source | |||||||
|---|---|---|---|---|---|---|---|
STIRITZ WILLIAM PFirst filing | Chairman Emeritus | Sale | 106,197 | $8.9M | Sep 3 | -13.2% | SEC ↗ |
STIRITZ WILLIAM PFirst filing | Chairman Emeritus | Sale | 277,935 | $23.4M | Sep 3 | -13.2% | SEC ↗ |
CURL GREGORY LFirst in 3 months | Director | Sale | 6,186 | $650K | May 14 | -28.8% | SEC ↗ |
CURL GREGORY LFirst filing | Director | Sale | 6,983 | $798K | Feb 10 | -33.3% | SEC ↗ |
HARPER BRADLY AFirst filing | SVP, CHIEF ACCTING OFFICER | Sale | 1,658 | $160K | Dec 8 | -24.7% | SEC ↗ |
CATOGGIO NICOLASFirst filing | PRES & CEO, PCB | Sale | 10,000 | $1.0M | Nov 26 | -28.9% | SEC ↗ |
KEMPER DAVID WFirst filing | Director | Purchase | 1,800 | $176K | Nov 25 | -27.6% | SEC ↗ |
Congress trading POST 3 all-time
- DRep. Tom MalinowskiOther$1,001 - $15,0002019-02-05
- DRep. Tom MalinowskiOther$15,001 - $50,0002019-11-29
- DRep. Tom MalinowskiOther$1,001 - $15,0002019-01-28
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does POST have?
Post Holdings, Inc. (POST) has 53 SEC Form 4 filings (112 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Sep 3, 2026.
When was the most recent SEC Form 4 filing for POST?
The most recent Form 4 filing for POST on Tracefour is dated Sep 3, 2026.
What is the net insider flow at POST over the last 6 months?
Over the trailing 180 days, insiders at POST have net sold $32.9M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at POST in the current window?
Inside the rolling window, insiders at POST bought $176K and sold $34.9M based on SEC Form 4 filings.
Can I get alerts for POST insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Post Holdings, Inc. (POST). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Post Holdings, Inc. is in the Manufacturing sector.