{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-006416","form_type":"8-K","ticker":"CBOE","cik":"0001374310","company_name":"Cboe Global Markets, Inc.","filed_at":"2026-01-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.937427+00:00","generated_at":"2026-05-16T07:52:33.049679+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Cboe Global Markets COO Chris Isaacson to retire; Scott Johnston appointed successor","bullets":["Isaacson retires March 6, 2026; will serve as consultant through Dec. 31, 2026 for $541,666.","Scott Johnston, ex-Akuna Capital COO, joins Feb. 17, 2026 as EVP, COO effective March 7.","Johnston gets $550K base salary, 130% target bonus, $2.735M LTI, $1M sign-on equity, $627K cash bonus.","Heidi Fischer named EVP, Global Head of Equities and Spot Markets; Natan Tiefenbrun departs.","Alex Dalley promoted to SVP, European Equities; Jon Weinberg expands to Global FX and Off-Exchange."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-006416","json":"https://secwatch.observer/filing/0001104659-26-006416.json","markdown":"https://secwatch.observer/filing/0001104659-26-006416.md","text":"https://secwatch.observer/filing/0001104659-26-006416.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1374310/000110465926006416/0001104659-26-006416-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1374310/000110465926006416/tm263772d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T07:52:33.049679+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"}