---
schema_version: "secwatch.filing_event.v1"
accession: "0001822479-26-000019"
form_type: "8-K"
ticker: "SHC"
cik: "0001822479"
company_name: "Sotera Health Co"
filed_at: "2026-03-16T23:59:59+00:00"
generated_at: "2026-05-15T11:54:24.361723+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Director Constantine S. Mihas resigns; Kenneth D. Krause appointed to board

## Summary
- Constantine S. Mihas resigns as Class I director effective March 16, 2026, due to reduction in board seats certain stockholders can designate. No disagreement.
- Kenneth D. Krause, EVP and CFO of Rollins, Inc., appointed as Class I director effective March 16, 2026.
- Krause will serve on Audit and Litigation Committees and is deemed independent under Nasdaq rules.
- Krause will receive standard non-employee director compensation: annual cash retainer and restricted stock units.
- No arrangement or understanding for appointment; no reportable transactions between Krause and Sotera.

## SEC filing metadata
- accession: 0001822479-26-000019
- form_type: 8-K
- ticker: SHC
- cik: 0001822479
- company_name: Sotera Health Co
- filed_at: 2026-03-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000019/0001822479-26-000019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000019/shc-20260312.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822479-26-000019
- JSON: https://secwatch.observer/filing/0001822479-26-000019.json
- Plain text: https://secwatch.observer/filing/0001822479-26-000019.txt

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