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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. WARN notice

    WARN notice: Bloomsburg, PA

    Post Consumer Brands, LLC filed a WARN notice with the Pennsylvania WARN list covering 11 workers at 6650 Low Street, Bloomsburg, PA 17815. The layoffs take effect on May 1, 2026.

    Site: Bloomsburg, PA

    Workers affected: 11

    Source: Pennsylvania WARN list, filed May 1, 2026

  2. WARN notice

    WARN notice: Parsippany, NJ

    Post Foods filed a WARN notice with the New Jersey WARN list covering 48 workers in Parsippany. The layoffs take effect on Sep 30, 2015.

    Site: Parsippany, NJ

    Workers affected: 48

    Source: New Jersey WARN list, filed Sep 30, 2015

  3. layoffs from Sep 12, 2014

    Plant closure

    Plant closure: Modesto, CA

    Post Foods, LLC filed a WARN notice with the California WARN list on Jun 30, 2014 covering 52 workers in Modesto. The site closes on Sep 12, 2014.

    Site: Modesto, CA

    Workers affected: 52

    Source: California WARN list, filed Jun 30, 2014

  4. layoffs from Sep 26, 2014

    Plant closure

    Plant closure: Modesto, CA

    Post Foods, LLC filed a WARN notice with the California WARN list on Jun 30, 2014 covering 6 workers in Modesto. The site closes on Sep 26, 2014.

    Site: Modesto, CA

    Workers affected: 6

    Source: California WARN list, filed Jun 30, 2014

Last verified Nov 8, 2026