{"schema_version":"secwatch.filing_event.v1","accession":"0000730464-25-000029","form_type":"8-K","ticker":"CVSA","cik":"0000730464","company_name":"Covista Inc.","filed_at":"2025-10-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.039530+00:00","generated_at":"2026-05-17T04:31:28.207267+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Dr. Karen Cox to retire as President of Chamberlain University, Adtalem's nursing school","bullets":["Dr. Karen Cox retiring after nearly 40-year healthcare career; led Chamberlain since 2018.","Chamberlain serves ~40,000 students online and across 24 campuses; largest nursing school in US.","Adtalem engaged Spencer Stuart for external search; Cox to transition once successor selected.","Cox previously served as president of American Academy of Nursing (2017-2019) and 30 years at Children's Mercy."],"urls":{"canonical":"https://secwatch.observer/filing/0000730464-25-000029","json":"https://secwatch.observer/filing/0000730464-25-000029.json","markdown":"https://secwatch.observer/filing/0000730464-25-000029.md","text":"https://secwatch.observer/filing/0000730464-25-000029.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730464/000073046425000029/0000730464-25-000029-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730464/000073046425000029/atge-20251006x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:31:28.207267+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}