William P Stiritz sold $32.3M of POST stock

William P Stiritz, Other of Post Holdings, Inc. (POST), sold 384,132 shares of POST stock worth $32.3M, per an SEC Form 4 filed Sep 3, 2026.

It was an open-market sale.

The trade happened on Sep 1, 2026, 2 days before it was made public.

POST has moved -4.7% since the trade date, from $83.59 to $79.62 (Nov 12, 2026 close).