secwatch.observer — SEC 8-K summary ====================================== Issuer: MARKETAXESS HOLDINGS INC (MKTX) CIK: 0001278021 Form: 8-K Filed at: 2021-12-01T23:59:59+00:00 Accession: 0001193125-21-344336 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 MarketAxess CIO Nick Themelis to retire; new CIO hired, starts March 1, 2022 ---------------------------------------------------------------------------- - Nick Themelis notified his retirement from MarketAxess on November 24, 2021. - New CIO has been hired, currently on garden leave, and will join on March 1, 2022. - Themelis will remain as CIO until the successor starts, then serve as advisor through February 2023. - Company plans to announce the new CIO's name in the first quarter of 2022. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1278021/000119312521344336/0001193125-21-344336-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1278021/000119312521344336/d244325d8k.htm HTML page: https://secwatch.observer/filing/0001193125-21-344336 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer