---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-221630"
form_type: "8-K"
ticker: "SHC"
cik: "0001822479"
company_name: "Sotera Health Co"
filed_at: "2026-05-13T20:11:15+00:00"
generated_at: "2026-05-13T22:03:56.294476+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Sponsors Warburg Pincus and GTCR exit Sotera Health via secondary offering; Stockholders Agreement terminated.

## Summary
- Selling stockholders (Warburg Pincus & GTCR affiliates) sold 31,838,253 shares at $15.168 per share.
- Company received no proceeds; all shares were sold by sponsors, reducing their ownership to zero.
- Stockholders Agreement terminated, ending sponsors' special governance rights including director designation.
- Existing sponsor-designated directors may continue serving until their terms expire; no immediate board changes.

## SEC filing metadata
- accession: 0001193125-26-221630
- form_type: 8-K
- ticker: SHC
- cik: 0001822479
- company_name: Sotera Health Co
- filed_at: 2026-05-13T20:11:15+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822479/000119312526221630/0001193125-26-221630-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822479/000119312526221630/d113042d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-221630
- JSON: https://secwatch.observer/filing/0001193125-26-221630.json
- Plain text: https://secwatch.observer/filing/0001193125-26-221630.txt

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