{"schema_version":"secwatch.filing_event.v1","accession":"0001157523-21-001137","form_type":"8-K/A","ticker":"CVSA","cik":"0000730464","company_name":"Covista Inc.","filed_at":"2021-09-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.643054+00:00","generated_at":"2026-06-29T04:20:41.793694+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Adtalem CEO Lisa Wardell transitions to Executive Chairman; Group President departs","bullets":["Lisa W. Wardell transitions from CEO/President to Executive Chairman effective Sept 8, 2021; will lead strategic review of Financial Services business.","Wardell enters employment agreement with base salary $1.1M through Sept 7, 2022; eligibility for severance with double trigger change in control.","Kathy Boden Holland, Group President Medical & Healthcare, to leave Sept 30, 2021; terms of departure not yet determined.","Wardell's duties include furthering Global Legislative Agenda; she continues as Board Chair."],"urls":{"canonical":"https://secwatch.observer/filing/0001157523-21-001137","json":"https://secwatch.observer/filing/0001157523-21-001137.json","markdown":"https://secwatch.observer/filing/0001157523-21-001137.md","text":"https://secwatch.observer/filing/0001157523-21-001137.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730464/000115752321001137/0001157523-21-001137-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730464/000115752321001137/a52490633.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T04:20:41.793694+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":"43e69505f8","claim":"Lisa W. Wardell changed role as Executive Chairman at Covista Inc..","evidence_excerpt":"effective September 8, 2021, Ms. Lisa W. Wardell, who has served as ATGE’s president and chief executive officer since May 24, 2016 and chairman of the board since July 16, 2019, will transition to the role of executive chairman of the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730464/000115752321001137/0001157523-21-001137-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"transitioned"},{"label":"Role","value":"Executive Chairman"}],"fact_type":"executive_change"},{"claim_id":"9f30c8e52e","claim":"Kathy Boden Holland departed as Group President, ATGE Medical and Healthcare at Covista Inc..","evidence_excerpt":"On September 7, 2021 it was announced that Ms. Kathy Boden Holland, Group President, ATGE Medical and Healthcare, will leave the Company on September 30, 2021 to pursue other endeavors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730464/000115752321001137/0001157523-21-001137-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will leave"},{"label":"Role","value":"Group President, ATGE Medical and Healthcare"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}