{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-262172","form_type":"8-K","ticker":"SHC","cik":"0001822479","company_name":"Sotera Health Co","filed_at":"2022-10-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.356175+00:00","generated_at":"2026-06-23T03:53:33.182101+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Sotera Health director Stephanie Geveda resigns; Robert Knauss appointed as Class III director","bullets":["Stephanie M. Geveda resigned from the Board on October 7, 2022, upon her departure from Warburg Pincus.","Geveda confirmed no disagreement with the Company, management, or Board regarding operations or policies.","Robert B. Knauss, a Warburg Pincus Managing Director, appointed as Class III director effective October 12, 2022.","Appointment made under Stockholders Agreement granting Warburg Pincus director designation rights; Knauss deemed independent per Nasdaq rules.","Knauss will receive standard non-employee director compensation (cash retainer + RSUs) and entered a customary indemnification agreement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-262172","json":"https://secwatch.observer/filing/0001193125-22-262172.json","markdown":"https://secwatch.observer/filing/0001193125-22-262172.md","text":"https://secwatch.observer/filing/0001193125-22-262172.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1822479/000119312522262172/0001193125-22-262172-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1822479/000119312522262172/d412955d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T03:53:33.182101+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"4dd75e1817","claim":"Robert B. Knauss was appointed as Director at Sotera Health Co.","evidence_excerpt":"On October 12, 2022, the Board appointed Robert B. Knauss to serve as a director of the Company, effective October 12, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1822479/000119312522262172/0001193125-22-262172-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"c82849417f","claim":"Stephanie M. Geveda resigned as Director at Sotera Health Co.","evidence_excerpt":"On October 7, 2022, Stephanie M. Geveda notified Sotera Health Company (the “Company”) of her resignation as a director of the Company, effective October 7, 2022, in connection with her departure from Warburg Pincus LLC (“Warburg Pincus”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1822479/000119312522262172/0001193125-22-262172-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}