---
schema_version: "secwatch.filing_event.v1"
accession: "0001227654-26-000051"
form_type: "8-K"
ticker: "CMP"
cik: "0001227654"
company_name: "COMPASS MINERALS INTERNATIONAL INC"
filed_at: "2026-08-05T21:18:22+00:00"
generated_at: "2026-08-05T21:20:08.148772+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Compass Minerals appoints Brandon Risner as COO, replacing Patrick Merrin

## Summary
- Patrick Merrin ceased as COO effective Aug 3, 2026; Brandon Risner appointed as new COO.
- Risner's base salary $450K/yr, target cash bonus 70% of base, annual equity target $600K.
- Risner joined Compass in Dec 2020, previously VP of Operations Ogden & C&I; over 25 yrs mining experience.
- CEO Dowling cited Risner's role in Plant Nutrition segment growth and operational improvements.

## SEC filing metadata
- accession: 0001227654-26-000051
- form_type: 8-K
- ticker: CMP
- cik: 0001227654
- company_name: COMPASS MINERALS INTERNATIONAL INC
- filed_at: 2026-08-05T21:18:22+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1227654/000122765426000051/0001227654-26-000051-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1227654/000122765426000051/cmp-20260803.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001227654-26-000051
- JSON: https://secwatch.observer/filing/0001227654-26-000051.json
- Plain text: https://secwatch.observer/filing/0001227654-26-000051.txt

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