secwatch.observer — SEC 8-K summary ====================================== Issuer: MARKETAXESS HOLDINGS INC (MKTX) CIK: 0001278021 Form: 8-K Filed at: 2024-01-19T23:59:59+00:00 Accession: 0001193125-24-011252 Event type: leadership Sentiment: neutral Materiality: 0.65 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 MarketAxess CFO Gerosa resigns; CEO Concannon named interim CFO effective Feb 1, 2024 -------------------------------------------------------------------------------- - CFO Christopher N. Gerosa resigns effective Jan 31, 2024, to accept a position at another company. - CEO Christopher R. Concannon appointed interim CFO effective Feb 1, 2024, serving as both CEO and interim CFO. - Michael R. Cianciulli, Head of External Reporting, appointed interim principal accounting officer. - Board actively conducting a formal search for a permanent CFO. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1278021/000119312524011252/0001193125-24-011252-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1278021/000119312524011252/d646030d8k.htm HTML page: https://secwatch.observer/filing/0001193125-24-011252 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer