{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-215204","form_type":"8-K","ticker":"SHC","cik":"0001822479","company_name":"Sotera Health Co","filed_at":"2024-09-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:14.680493+00:00","generated_at":"2026-05-31T06:06:31.708230+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Sotera Health insider selling: 25M shares sold at $15.03; director Donnini resigns","bullets":["Selling stockholders sold 25M shares at $15.03/share; company received no proceeds.","David Donnini, GTCR designee, resigned from Sotera Health board effective Sept 6, 2024, reducing board size to 11.","Resignation was not due to any disagreement with the company, management or board.","Underwriting agreement with Citigroup Global Markets Inc. filed as Exhibit 1.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-215204","json":"https://secwatch.observer/filing/0001193125-24-215204.json","markdown":"https://secwatch.observer/filing/0001193125-24-215204.md","text":"https://secwatch.observer/filing/0001193125-24-215204.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1822479/000119312524215204/0001193125-24-215204-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1822479/000119312524215204/d891564d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T06:06:31.708230+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":"19342fbdad","claim":"David A. Donnini resigned as Director at Sotera Health Co.","evidence_excerpt":"On September 6, 2024, David A. Donnini, one of GTCR’s designees, notified the Company that, consistent with this decrease, he wished to resign as a director.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1822479/000119312524215204/0001193125-24-215204-index.htm","confidence":0.95,"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"}