FilingIndex
SC 13D/AThe Stakes

Post Holdings, Inc. files SC 13D/A

Filed Mar 5, 2026 · 3mo ago · Accession 0001052058-26-000003

Plain English

Activist stake — an investor has acquired more than 5% with intent to influence.

Read the source below for the full document.

Filing details
Ticker
POST
CIK
1530950
Form type
SC 13D/A
Filing date
Mar 5, 2026
Report date
Document
Size