---
schema_version: "secwatch.filing_event.v1"
accession: "0001822479-23-000042"
form_type: "8-K"
ticker: "SHC"
cik: "0001822479"
company_name: "Sotera Health Co"
filed_at: "2023-06-26T23:59:59+00:00"
generated_at: "2026-06-13T17:13:40.455763+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Sotera Health appoints Jonathan M. Lyons as CFO, effective June 26, 2023

## Summary
- Lyons succeeds Interim CFO Michael Biehl, will lead finance and accounting.
- Annual base salary $475,000; target bonus 70% of base, prorated.
- Long-term equity target $1.2M (RSUs and options, 3-year vest).
- Sign-on cash $200,000 and sign-on RSUs $1.0M, both with 3-year vest.
- Lyons previously VP Corporate FP&A at Owens Corning, also held roles at Cardinal Health.

## SEC filing metadata
- accession: 0001822479-23-000042
- form_type: 8-K
- ticker: SHC
- cik: 0001822479
- company_name: Sotera Health Co
- filed_at: 2023-06-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822479/000182247923000042/0001822479-23-000042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822479/000182247923000042/shc-20230626.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822479-23-000042
- JSON: https://secwatch.observer/filing/0001822479-23-000042.json
- Plain text: https://secwatch.observer/filing/0001822479-23-000042.txt

## Key facts
- Executive change
  Jonathan M. Lyons was appointed as Senior Vice President and Chief Financial Officer at Sotera Health Co.
  - Action: appointed
  - Role: Senior Vice President and Chief Financial Officer
  source text: On June 26, 2023, Sotera Health Company (the "Company") announced the appointment of Jonathan M. Lyons as Senior Vice President and Chief Financial Officer ("CFO") of the Company, effective June 26, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822479/000182247923000042/0001822479-23-000042-index.htm
- Executive change
  Michael F. Biehl departed as Interim Chief Financial Officer at Sotera Health Co.
  - Role: Interim Chief Financial Officer
  source text: Mr. Lyons, age 46, who succeeds Michael F. Biehl as the Company's Interim CFO
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822479/000182247923000042/0001822479-23-000042-index.htm

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