21% ST. LOUIS, Nov. 26, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today announced its Board of Directors has approved a new $500 million share repurchase authorization. Share repurchases under the new authorization may begin on November 27, 2025. As of November 25, 2025, Post had repurchased approximately$275.2 million under its previous $500 million share repurchase authorization, which became effective on August 29, 2025 and was cancelled effective N ...