{"cik":"0000036029","ticker":"FFIN","name":"FIRST FINANCIAL BANKSHARES INC","sic_code":"6022","sic_description":"State Commercial Banks","exchange":"Nasdaq","state_of_incorporation":"TX","fiscal_year_end":"1231","first_filing_date":"2026-06-15","last_filing_date":"2026-08-11","url":"/sec/cik-0000036029","insider_summary":{"total_transactions":1,"unique_insiders":1,"latest_transaction":"2026-06-11"},"recent_filings":[{"accession_number":"0001193125-26-343506","form_type":"13F-HR","form_type_family":"holdings","doc_date":"2026-08-11","title":"13F-HR — FIRST FINANCIAL BANKSHARES INC — 2026-08-11","url_slug":"/sec/cik-0000036029/13f-hr/0001193125-26-343506","edgar_url":"https://www.sec.gov/Archives/edgar/data/36029/0001193125-26-343506-index.html"},{"accession_number":"0001193125-26-307884","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-17","title":"8-K — FIRST FINANCIAL BANKSHARES INC — 2026-07-17","url_slug":"/sec/cik-0000036029/8-k/0001193125-26-307884","edgar_url":"https://www.sec.gov/Archives/edgar/data/36029/0001193125-26-307884-index.html"}],"related_endpoints":{"profile":"/sec/FFIN/profile","timeline":"/sec/FFIN/timeline","peers":"/sec/FFIN/peers","insider_pulse":"/sec/FFIN/insider-pulse","insider_summary":"/sec/FFIN/insider-summary","insider_transactions":"/sec/FFIN/insider-transactions","form144":"/sec/FFIN/form144","holdings_as_filer":"/sec/FFIN/holdings","financial_facts":"/sec/FFIN/financial-facts","derivatives":"/sec/FFIN/derivatives","officers":"/sec/FFIN/officers","insider_network":"/sec/FFIN/insider-network","risk_flags":"/sec/FFIN/risk-flags","filings":"/sec/FFIN/filings","cross_topic_dossier":"/api/v1/dossier?ticker=FFIN"}}