{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-021629","form_type":"8-K","ticker":"MKTX","cik":"0001278021","company_name":"MARKETAXESS HOLDINGS INC","filed_at":"2026-01-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.693059+00:00","generated_at":"2026-05-16T07:50:20.195886+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"MarketAxess elects Douglas Cifu and Kenneth Schiciano to Board, effective March 1, 2026","bullets":["Douglas A. Cifu, co-founder and former CEO of Virtu Financial, and Kenneth T. Schiciano, Senior Advisor at TA Associates, elected to Board.","Cifu served as Virtu CEO from 2013 to July 2025; Schiciano has over 30 years of private equity experience at TA Associates.","Board determined both directors are independent under NASDAQ rules; committee assignments to be announced later.","Cifu and Schiciano will receive standard non-employee director compensation as described in the 2025 proxy statement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-021629","json":"https://secwatch.observer/filing/0001193125-26-021629.json","markdown":"https://secwatch.observer/filing/0001193125-26-021629.md","text":"https://secwatch.observer/filing/0001193125-26-021629.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1278021/000119312526021629/0001193125-26-021629-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1278021/000119312526021629/mktx-20260122.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T07:50:20.195886+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"}