{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-218617","form_type":"8-K","ticker":"MKTX","cik":"0001278021","company_name":"MARKETAXESS HOLDINGS INC","filed_at":"2021-07-19T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.482879+00:00","generated_at":"2026-06-30T04:24:30.250910+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Charles Li joins board; Gerosa named CFO as DeLise transitions","bullets":["Charles Li, former CEO of HKEX (2010–2020), elected to board effective July 13, 2021.","Christopher Gerosa promoted to CFO effective Aug 1, 2021; succeeds Tony DeLise.","Gerosa's salary set at $300k; receives $1M equity award (50% PSUs, 25% options, 25% RSUs).","DeLise to support CFO transition through year-end and continue leading IR and Corp Dev.","Asia trading volume on MarketAxess hit $23.9B in 2Q21, up 37% YoY."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-218617","json":"https://secwatch.observer/filing/0001193125-21-218617.json","markdown":"https://secwatch.observer/filing/0001193125-21-218617.md","text":"https://secwatch.observer/filing/0001193125-21-218617.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1278021/000119312521218617/0001193125-21-218617-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1278021/000119312521218617/d138944d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T04:24:30.250910+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":"27431fa9e6","claim":"Christopher Gerosa was appointed as Chief Financial Officer at MARKETAXESS HOLDINGS INC.","evidence_excerpt":"On July 13, 2021, the Board appointed Christopher Gerosa, age 46, as Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1278021/000119312521218617/0001193125-21-218617-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"27d8b17af2","claim":"Xiaojia Charles Li was elected as Director at MARKETAXESS HOLDINGS INC.","evidence_excerpt":"On July 13, 2021, the Board of Directors (the “Board”) of MarketAxess Holdings Inc. (the “Company”) elected Xiaojia Charles Li to serve on the Company’s Board of Directors, effective July 13, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1278021/000119312521218617/0001193125-21-218617-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"bda3d83fd0","claim":"Antonio DeLise changed role as Chief Financial Officer at MARKETAXESS HOLDINGS INC.","evidence_excerpt":"Antonio DeLise, the Company’s current Chief Financial Officer, will be supporting Mr. Gerosa during the balance of the year and will continue leading the Investor Relations and Corporate Development functions going forward.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1278021/000119312521218617/0001193125-21-218617-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}