---
schema_version: "secwatch.filing_event.v1"
accession: "0001822479-26-000028"
form_type: "8-K"
ticker: "SHC"
cik: "0001822479"
company_name: "Sotera Health Co"
filed_at: "2026-05-05T23:59:59+00:00"
generated_at: "2026-05-14T23:32:01.643403+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Sotera Health reports Q1 2026 results and announces CEO transition

## Summary
- Q1 net revenues up 10.0% (6.5% constant currency); net income $27M vs loss $13M in prior year.
- Adjusted EBITDA increased 10.5% (6.9% constant currency); Adjusted EPS $0.18, up 29%.
- Michael Petras appointed Executive Chairman; Alton Shader named CEO effective May 26, 2026.
- Reaffirmed 2026 outlook: net revenue growth 5.0%-6.5% and Adj. EBITDA growth 5.5%-7.0% constant currency.
- Added independent directors Rich Kyle and Ken Krause to Board; public float ~90%.

## SEC filing metadata
- accession: 0001822479-26-000028
- form_type: 8-K
- ticker: SHC
- cik: 0001822479
- company_name: Sotera Health Co
- filed_at: 2026-05-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000028/0001822479-26-000028-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000028/shc-20260430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822479-26-000028
- JSON: https://secwatch.observer/filing/0001822479-26-000028.json
- Plain text: https://secwatch.observer/filing/0001822479-26-000028.txt

## Key facts
- Earnings Releases
  Sotera Health Co reported the quarter ended March 31, 2026 results: net income net income of $27 million, EPS $0.09 per diluted share. Guidance reaffirmed.
  - Period: the quarter ended March 31, 2026
  - Net income: net income of $27 million
  - EPS: $0.09 per diluted share
  - Guidance: reaffirmed
  - Result: reported results
  source text: Q1 2026 net income of $27 million or $0.09 per diluted share, compared to a net loss of $13 million or $0.05 per diluted share in Q1 2025 • Q1 2026 Adjusted EBITDA (1) increased 10.5%, or 6.9% on a constant currency basis • Q1 2026 Adjusted EPS (1) of $0.18 , an increase of 29% per diluted share • Company reaffirms full-year 2026 outlook of 5.0% - 6.5% net revenues growth and 5.5% - 7.0% Adjusted EBITDA growth, both on a constant currency basis
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000028/0001822479-26-000028-index.htm
- Executive change
  Michael B. Petras, Jr. was appointed as Executive Chairman of the Board at Sotera Health Co.
  - Action: appointed
  - Role: Executive Chairman of the Board
  source text: the Board appointed Mr. Petras to serve as Executive Chairman of the Board ("Executive Chairman"), as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000028/0001822479-26-000028-index.htm
- Executive change
  Alton Shader was appointed as Chief Executive Officer at Sotera Health Co.
  - Action: appointed
  - Role: Chief Executive Officer
  source text: the Board, at the recommendation of the Nominating and Corporate Governance Committee, appointed Alton Shader to serve as Chief Executive Officer of the Company ("CEO") and a Class II director of the Board, effective as of May 26, 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000028/0001822479-26-000028-index.htm
- Executive change
  Alton Shader was appointed as Class II director at Sotera Health Co.
  - Action: appointed
  - Role: Class II director
  source text: appointed Alton Shader to serve as Chief Executive Officer of the Company ("CEO") and a Class II director of the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822479/000182247926000028/0001822479-26-000028-index.htm

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