---
schema_version: "secwatch.filing_event.v1"
accession: "0001822479-25-000018"
form_type: "8-K"
ticker: "SHC"
cik: "0001822479"
company_name: "Sotera Health Co"
filed_at: "2025-04-04T23:59:59+00:00"
generated_at: "2026-05-23T21:20:29.648132+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Sotera Health's Sterigenics settles 97 EO claims for $30.9M

## Summary
- Settlement covers 97 ethylene oxide claims related to former Willowbrook, IL facility.
- Sterigenics to pay $30,943,000; claims dismissed with prejudice.
- Includes 7 trial-set cases for April/June 2025 and 90 other claims by same counsel.
- Settlement requires 100% claimant participation and court good-faith determination.
- Sterigenics denies any liability; settlement not an admission of hazard.

## SEC filing metadata
- accession: 0001822479-25-000018
- form_type: 8-K
- ticker: SHC
- cik: 0001822479
- company_name: Sotera Health Co
- filed_at: 2025-04-04T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822479/000182247925000018/0001822479-25-000018-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822479/000182247925000018/shc-20250403.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822479-25-000018
- JSON: https://secwatch.observer/filing/0001822479-25-000018.json
- Plain text: https://secwatch.observer/filing/0001822479-25-000018.txt

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