{"transactions":[{"id":901532,"issuer":{"id":3821,"kind":"organization","name":"MARKETAXESS HOLDINGS INC","symbol":"MKTX"},"owners":[{"id":66249,"kind":"person","name":"Mirwani Nitin A","position":1,"cik":"0002075189","reported_name":"Mirwani Nitin A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock, par value $0.003 per share","published_at":"2026-02-17T16:29:03.000Z","date":"2026-02-15","kind":"grant","planned":false,"acquired":true,"shares":1766,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. The restricted stock units shall vest 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029."}],"balance_after":1766,"source":{"system":"sec-edgar","filing":"0001193125-26-054771","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2075189/000119312526054771/ownership.xml","form_type":"4"}}]}