---
schema_version: "secwatch.filing_event.v1"
accession: "0001530950-22-000379"
form_type: "8-K"
ticker: "POST"
cik: "0001530950"
company_name: "Post Holdings, Inc."
filed_at: "2022-11-18T23:59:59+00:00"
generated_at: "2026-06-21T15:49:57.782102+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Post Holdings promotes Jeff Zadoks to COO, Matt Mainer to CFO effective Dec 1

## Summary
- Jeff Zadoks promoted to EVP/COO from EVP/CFO effective Dec 1, 2022; base salary to $700,000, bonus target 110% (up from 100%).
- Matt Mainer promoted to SVP/CFO/Treasurer effective same date; base salary to $450,125, bonus target 100% (up from 50%).
- Mainer received 6,380 RSUs and target award of 6,380 performance-based RSUs in connection with promotion.
- Board granted equity awards on Nov 15: CEO Vitale 54,734 RSUs and 54,734 PRSUs (TSR-based); other execs received similar awards.

## SEC filing metadata
- accession: 0001530950-22-000379
- form_type: 8-K
- ticker: POST
- cik: 0001530950
- company_name: Post Holdings, Inc.
- filed_at: 2022-11-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1530950/000153095022000379/0001530950-22-000379-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1530950/000153095022000379/post-20221115.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001530950-22-000379
- JSON: https://secwatch.observer/filing/0001530950-22-000379.json
- Plain text: https://secwatch.observer/filing/0001530950-22-000379.txt

## Key facts
- Executive change
  Jeff A. Zadoks changed role as Executive Vice President and Chief Operating Officer at Post Holdings, Inc..
  - Action: promoted
  - Role: Executive Vice President and Chief Operating Officer
  source text: On November 16, 2022, Post Holdings, Inc. (“Post” or the “Company”) promoted Jeff A. Zadoks, currently the Company’s Executive Vice President and Chief Financial Officer, to the role of Executive Vice President and Chief Operating Officer, effective on December 1, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530950/000153095022000379/0001530950-22-000379-index.htm
- Executive change
  Matthew J. Mainer changed role as Senior Vice President, Chief Financial Officer and Treasurer at Post Holdings, Inc..
  - Action: promoted
  - Role: Senior Vice President, Chief Financial Officer and Treasurer
  source text: In addition, on November 16, 2022, Post promoted Matthew J. Mainer, currently the Company’s Senior Vice President and Treasurer, to Senior Vice President, Chief Financial Officer and Treasurer, effective on the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1530950/000153095022000379/0001530950-22-000379-index.htm

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