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Post Holdings, Inc.

Public company
Headquarters
ST. LOUIS, Missouri
Ticker
POST
CIK
0001530950

WARN notices since 2024

1
First: May 1, 2026

Workers affected since 2024

11
Across 1 notice

Executive changes, last 12 months

3
2 appointments, 0 departures

Last event

Oct 16, 2026
Executive appointmentInterim Chief Accounting Officer and principal accounting officer appointed: Matthew J. Mainer

Workers affected over time

Cumulative workers in WARN notices since 2024

Not enough notices to chart yet.

Leadership

Role and personSinceChange
Interim Chief Accounting Officer and principal accounting officerMatthew J. MainerOct 16, 2026Appointed
Executive ChairmanRobert V. VitaleAug 7, 2026Role change
CEONicolas CatoggioAug 7, 2026Appointed

Related companies

Same industry and state, with recent events.

  1. Executive appointment

    Interim Chief Accounting Officer and principal accounting officer appointed: Matthew J. Mainer

    Matthew J. Mainer was named Interim Chief Accounting Officer and principal accounting officer of Post Holdings, Inc.. Matthew J. Mainer succeeds Bradly A. Harper. The company reported the change in an 8-K that cites Item 5.02.

    Role: Interim Chief Accounting Officer and principal accounting officer

    Source: SEC 8-K, filed Oct 16, 2026

  2. Role change

    Executive Chairman role change: Robert V. Vitale

    Robert V. Vitale moved to Executive Chairman at Post Holdings, Inc., effective October 1, 2026. The company reported the change in an 8-K/A that cites Item 5.02.

    Role: Executive Chairman

    Source: SEC 8-K, filed Aug 7, 2026

  3. Executive appointment

    CEO appointed: Nicolas Catoggio

    Nicolas Catoggio was named President and Chief Executive Officer of Post Holdings, Inc., effective October 1, 2026. Nicolas Catoggio succeeds Robert V. Vitale. The company reported the change in an 8-K/A that cites Item 5.02.

    Role: President and Chief Executive Officer

    Source: SEC 8-K, filed Aug 7, 2026

Last verified Nov 8, 2026