---
schema_version: "secwatch.filing_event.v1"
accession: "0001822479-25-000003"
form_type: "8-K"
ticker: "SHC"
cik: "0001822479"
company_name: "Sotera Health Co"
filed_at: "2025-01-06T23:59:59+00:00"
generated_at: "2026-05-28T11:20:31.046432+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Sotera Health appoints Vincent K. Petrella as Lead Independent Director effective Jan 2, 2025

## Summary
- Vincent K. Petrella, an independent director since 2020, appointed Lead Independent Director on January 2, 2025.
- Petrella previously chaired the Audit Committee; will serve as liaison between Board, management, and shareholders.
- CEO Michael B. Petras Jr. cited Petrella's experience and engagement as valuable to the Board.
- Petrella expressed enthusiasm for the expanded role and commitment to driving shareholder value.

## SEC filing metadata
- accession: 0001822479-25-000003
- form_type: 8-K
- ticker: SHC
- cik: 0001822479
- company_name: Sotera Health Co
- filed_at: 2025-01-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822479/000182247925000003/0001822479-25-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822479/000182247925000003/shc-20250102.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822479-25-000003
- JSON: https://secwatch.observer/filing/0001822479-25-000003.json
- Plain text: https://secwatch.observer/filing/0001822479-25-000003.txt

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