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POST · Analysis updated Nov 10, 2026, 6:00 PM ET
Why is Post Holdings, Inc. (POST) stock moving?
The only company-specific disclosure in the window is an 8-K filed Oct 16 covering a temporary medical leave for the Chief Accounting Officer, with the CFO covering as interim principal accounting officer, plus an updated Code of Conduct effective Feb 1, 2027. These are administrative items with no stated financial impact, and no earnings, guidance or deal news appeared in the period. The Nov 3 item about bank99 was excluded because it concerns Austrian Post's subsidiary, not Post Holdings. Price action shows a rally from about $79-80 in late October to a $87.33 intraday high on Nov 4, which came on roughly 1.45M shares, about double the normal daily volume of 600K-850K. Since then the stock has slipped to a $81.83 close on Nov 10, with volume falling back to about 624K. The stock is holding above the late-October lows near $79.40-$80, but the post-spike drift lower on fading volume points to a cooling trend. Overall the evidence is thin and mixed, so the outlook is neutral with low confidence.
News behind the analysis
- Form 8-K: Chief Accounting Officer medical leave (Item 5.02) and updated Code of Conduct (Item 5.05)Senior VP and Chief Accounting Officer Bradly A. Harper is on temporary medical leave, and CFO Matthew J. Mainer is serving as Interim Chief Accounting Officer. The board also approved a new Code of Conduct effective February 1, 2027.
About POST HOLDINGS, INC.
Post Holdings is a St. Louis-based packaged-food holding company that owns Post Consumer Brands (Honey Bunches of Oats, Pebbles, Grape-Nuts, plus pet foods like Nutrish and 9Lives), Michael Foods (eggs and potatoes for foodservice), Bob Evans refrigerated side dishes, and Weetabix in the UK. It is known for buying and running brands with heavy debt and buying back a lot of its own stock, and it holds a stake in the BellRing Brands protein-shake business that it spun off earlier. Annual sales are roughly $8 billion.
How it makes money
It sells branded and private-label foods through grocery and mass retailers and to restaurants and other foodservice buyers. Post Consumer Brands (cereal and pet food) is the largest segment at roughly half of sales. Foodservice (mostly egg products) is about a quarter, and refrigerated retail and Weetabix make up the rest. Management tracks results mainly by adjusted EBITDA, which it guided at roughly $1.56 billion for fiscal 2026.
What usually moves POST
- US cereal volume trends and private-label competition
- Egg prices and avian flu disruptions
- Grain, protein and packaging input costs
- Acquisitions, divestitures and debt levels
- Share buybacks and consumer staples sentiment