---
schema_version: "secwatch.filing_event.v1"
accession: "0001530950-23-000323"
form_type: "8-K"
ticker: "POST"
cik: "0001530950"
company_name: "Post Holdings, Inc."
filed_at: "2023-11-06T23:59:59+00:00"
generated_at: "2026-06-08T19:54:07.965399+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Post Holdings Q4 prelim net sales ~$1.9B, Adj. EBITDA ~$349M; CEO on medical leave, COO named interim

## Summary
- Preliminary Q4 net sales ~$1.9B, Adjusted EBITDA ~$349M, driven by strong cereal/pet food and Foodservice.
- CEO Rob Vitale takes unexpected medical leave; Board appoints Jeff Zadoks (EVP & COO) as interim CEO.
- Zadoks previously served as Post's EVP & CFO for eight years; joined in 2011 as Corporate Controller.
- Issued preliminary outlook for fiscal year 2024; details to be discussed on conference call.

## SEC filing metadata
- accession: 0001530950-23-000323
- form_type: 8-K
- ticker: POST
- cik: 0001530950
- company_name: Post Holdings, Inc.
- filed_at: 2023-11-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1530950/000153095023000323/0001530950-23-000323-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1530950/000153095023000323/post-20231102.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001530950-23-000323
- JSON: https://secwatch.observer/filing/0001530950-23-000323.json
- Plain text: https://secwatch.observer/filing/0001530950-23-000323.txt

## Key facts
- Earnings Releases
  Post Holdings, Inc. updated its fiscal year ending September 30, 2024 guidance (initiated).
  - Period: fiscal year ending September 30, 2024
  - Guidance: initiated
  - Result: guidance update
  source text: On November 6, 2023, Post Holdings, Inc. ("Post" or the "Company") issued a press release announcing certain preliminary results for its fourth fiscal quarter ended September 30, 2023, as well as its preliminary outlook for the fiscal year ending September 30, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530950/000153095023000323/0001530950-23-000323-index.htm
- Earnings Releases
  Post Holdings, Inc. reported fourth fiscal quarter ended September 30, 2023 results: revenue approximately $1.9 billion. Guidance initiated.
  - Period: fourth fiscal quarter ended September 30, 2023
  - Revenue: approximately $1.9 billion
  - Guidance: initiated
  - Result: preliminary results
  source text: Financial Data for the Fourth Quarter of Fiscal Year 2023 The following are preliminary estimates for the fiscal quarter ended September 30, 2023: • Net sales of approximately $1.9 billion • Adjusted EBITDA (non-GAAP)* of approximately $349 million driven by strong results from both cereal and pet food within Post Consumer Brands and continued outperformance in
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530950/000153095023000323/0001530950-23-000323-index.htm
- Executive change
  Jeff A. Zadoks was appointed as interim President and Chief Executive Officer at Post Holdings, Inc..
  - Action: appointed
  - Role: interim President and Chief Executive Officer
  source text: the Company's Board of Directors appointed Jeff A. Zadoks, Executive Vice President and Chief Operating Officer, as interim President and Chief Executive Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530950/000153095023000323/0001530950-23-000323-index.htm
- Executive change
  Robert V. Vitale departed as President and Chief Executive Officer at Post Holdings, Inc..
  - Action: taking medical leave of absence
  - Role: President and Chief Executive Officer
  source text: Robert V. Vitale, President and Chief Executive Officer of the Company, is taking a medical leave of absence.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530950/000153095023000323/0001530950-23-000323-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.