{"schema_version":"secwatch.filing_event.v1","accession":"0001758730-24-000051","form_type":"8-K","ticker":"TW","cik":"0001758730","company_name":"Tradeweb Markets Inc.","filed_at":"2024-03-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.420471+00:00","generated_at":"2026-06-04T23:09:24.812161+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Tradeweb appoints Lisa Opoku, former Goldman Sachs partner, to board effective March 7, 2024","bullets":["Appointed as Class III independent director; designated by controlling stockholder Refinitiv under stockholders agreement.","Compensation: $100k annual cash retainer plus $150k in restricted stock units, prorated for service.","Opoku spent 20 years at Goldman Sachs, most recently as Global Head of the Partner Family Office until Oct 2023.","She holds a Juris Doctor from Harvard Law and a BA summa cum laude from University of Minnesota.","Nearly 30 years of finance and legal experience; served as COO of Engineering, Asia Pacific Securities, and FICC Bank Loan Trading."],"urls":{"canonical":"https://secwatch.observer/filing/0001758730-24-000051","json":"https://secwatch.observer/filing/0001758730-24-000051.json","markdown":"https://secwatch.observer/filing/0001758730-24-000051.md","text":"https://secwatch.observer/filing/0001758730-24-000051.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1758730/000175873024000051/0001758730-24-000051-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1758730/000175873024000051/tw-20240307.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T23:09:24.812161+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":"18f54687a2","claim":"Lisa Opoku was appointed as Class III Independent Director at Tradeweb Markets Inc..","evidence_excerpt":"On March 7, 2024, the Board of Directors (the “Board”) of Tradeweb Markets Inc. (the “Company”) appointed Ms. Lisa Opoku, age 52, as a Class III independent director, effective as of such date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1758730/000175873024000051/0001758730-24-000051-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class III Independent Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}