{"filing":{"accession_number":"0001193125-26-429420","cik":"0001278021","ticker":"MKTX","company_name":"MARKETAXESS HOLDINGS INC","form":"8-K","filing_date":"2026-10-23","report_date":"2026-10-23","primary_document":"mktx-20261023.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1278021/000119312526429420/mktx-20261023.htm"},"events":[{"id":37406,"run_id":34481,"accession_number":"0001193125-26-429420","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"MarketAxess Holdings reported Q3 2026 financial results ended September 30, 2026, with total revenues of $210.4 million (1% growth) and diluted EPS of $1.53 ($1.86 excluding notable items), along with detailed operational metrics across trading channels.","company_name":"MARKETAXESS HOLDINGS INC","ticker":"MKTX","filing_date":"2026-10-23","form":"8-K","submitted_at":null,"items":[{"id":42108,"accession_number":"0001193125-26-429420","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"This is a clear earnings release for Q3 2026 ended September 30, 2026. The Item 2.02 disclosure announces financial results including total revenues of $210.4 million (1% growth), diluted EPS of $1.53 ($1.86 excluding notable items), and detailed operational metrics across trading channels. The press release is attached as Exhibit 99.1 and contains comprehensive financial tables and management commentary from the CEO, which is typical of quarterly earnings disclosures.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-23T10:33:01.059276+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":37407,"run_id":34481,"accession_number":"0001193125-26-429420","anchor_item_number":"8.01","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.95,"summary":"The company declared a regular quarterly dividend of $0.78 per share, payable on November 25, 2026 to stockholders of record as of November 11, 2026.","company_name":"MARKETAXESS HOLDINGS INC","ticker":"MKTX","filing_date":"2026-10-23","form":"8-K","submitted_at":null,"items":[{"id":42109,"accession_number":"0001193125-26-429420","item_number":"8.01","item_title":"Other Events.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"The Item 8.01 disclosure announces a regular quarterly dividend declaration of $0.78 per share payable on November 25, 2026 to stockholders of record as of November 11, 2026. This is a straightforward dividend distribution event. While the supplemental earnings release provides context on Q3 2026 financial results, the Item 8.01 section itself focuses solely on the dividend declaration, which is material to shareholders as a capital allocation decision.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-23T10:33:01.059276+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":42108,"accession_number":"0001193125-26-429420","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"This is a clear earnings release for Q3 2026 ended September 30, 2026. The Item 2.02 disclosure announces financial results including total revenues of $210.4 million (1% growth), diluted EPS of $1.53 ($1.86 excluding notable items), and detailed operational metrics across trading channels. The press release is attached as Exhibit 99.1 and contains comprehensive financial tables and management commentary from the CEO, which is typical of quarterly earnings disclosures.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-23T10:33:01.059276+00:00","company_name":"MARKETAXESS HOLDINGS INC","ticker":"MKTX","filing_date":"2026-10-23"},{"id":42109,"accession_number":"0001193125-26-429420","item_number":"8.01","item_title":"Other Events.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"The Item 8.01 disclosure announces a regular quarterly dividend declaration of $0.78 per share payable on November 25, 2026 to stockholders of record as of November 11, 2026. This is a straightforward dividend distribution event. While the supplemental earnings release provides context on Q3 2026 financial results, the Item 8.01 section itself focuses solely on the dividend declaration, which is material to shareholders as a capital allocation decision.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-23T10:33:01.059276+00:00","company_name":"MARKETAXESS HOLDINGS INC","ticker":"MKTX","filing_date":"2026-10-23"}]}