SCHEDULE 13G/A

POST HLDGS INC COM

Common Stock · CUSIP: 737446104

Event date: 2025-06-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Route One Investment Company, L.P.

  Shares: 3,413,918.00 · Class: 6.1%

• ROIC, LLC

  Shares: 3,413,918.00 · Class: 6.1%

• Route One Investment Company, LLC

  Shares: 3,413,918.00 · Class: 6.1%

• Route One Offshore Master Fund, L.P.

  Shares: 2,354,619.00 · Class: 4.2%

• William F. Duhamel, Jr.

  Shares: 3,413,918.00 · Class: 6.1%

• Jason E. Moment

  Shares: 3,413,918.00 · Class: 6.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.