{"transactions":[{"id":684885,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Deferred Stock Units","published_at":"2026-08-18T17:33:10.000Z","date":"2026-08-16","kind":"grant","planned":false,"acquired":true,"shares":526,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"In connection with the vesting on August 16, 2026, of 526 restricted stock units previously granted to the reporting person, the reporting person's receipt of 526 shares of common stock was deferred resulting in the reporting person's receipt instead of 526 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 526 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting on August 16, 2026, of 526 restricted stock units previously granted to the reporting person, the reporting person's receipt of 526 shares of common stock was deferred resulting in the reporting person's receipt instead of 526 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 526 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"In connection with the vesting on August 16, 2026, of 526 restricted stock units previously granted to the reporting person, the reporting person's receipt of 526 shares of common stock was deferred resulting in the reporting person's receipt instead of 526 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 526 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"In connection with the vesting on August 16, 2026, of 526 restricted stock units previously granted to the reporting person, the reporting person's receipt of 526 shares of common stock was deferred resulting in the reporting person's receipt instead of 526 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 526 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":7243,"derivative":{"underlying":"Common Stock","underlying_shares":526},"source":{"system":"sec-edgar","filing":"0001193125-26-355113","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526355113/ownership.xml","form_type":"4"}},{"id":684884,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Deferred Stock Units","published_at":"2026-08-18T17:33:10.000Z","date":"2026-08-14","kind":"grant","planned":false,"acquired":true,"shares":880,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the vesting on August 14, 2026, of 880 restricted stock units previously granted to the reporting person, the reporting person's receipt of 880 shares of common stock was deferred resulting in the reporting person's receipt instead of 880 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 880 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the vesting on August 14, 2026, of 880 restricted stock units previously granted to the reporting person, the reporting person's receipt of 880 shares of common stock was deferred resulting in the reporting person's receipt instead of 880 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 880 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"In connection with the vesting on August 14, 2026, of 880 restricted stock units previously granted to the reporting person, the reporting person's receipt of 880 shares of common stock was deferred resulting in the reporting person's receipt instead of 880 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 880 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"In connection with the vesting on August 14, 2026, of 880 restricted stock units previously granted to the reporting person, the reporting person's receipt of 880 shares of common stock was deferred resulting in the reporting person's receipt instead of 880 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 880 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":6717,"derivative":{"underlying":"Common Stock","underlying_shares":880},"source":{"system":"sec-edgar","filing":"0001193125-26-355113","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526355113/ownership.xml","form_type":"4"}},{"id":684883,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Common Stock","published_at":"2026-08-18T17:33:10.000Z","date":"2026-08-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":526,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"In connection with the vesting on August 16, 2026, of 526 restricted stock units previously granted to the reporting person, the reporting person's receipt of 526 shares of common stock was deferred resulting in the reporting person's receipt instead of 526 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 526 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting on August 16, 2026, of 526 restricted stock units previously granted to the reporting person, the reporting person's receipt of 526 shares of common stock was deferred resulting in the reporting person's receipt instead of 526 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 526 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":10580,"source":{"system":"sec-edgar","filing":"0001193125-26-355113","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526355113/ownership.xml","form_type":"4"}},{"id":684882,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Common Stock","published_at":"2026-08-18T17:33:10.000Z","date":"2026-08-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":880,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the vesting on August 14, 2026, of 880 restricted stock units previously granted to the reporting person, the reporting person's receipt of 880 shares of common stock was deferred resulting in the reporting person's receipt instead of 880 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 880 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the vesting on August 14, 2026, of 880 restricted stock units previously granted to the reporting person, the reporting person's receipt of 880 shares of common stock was deferred resulting in the reporting person's receipt instead of 880 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 880 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":11106,"source":{"system":"sec-edgar","filing":"0001193125-26-355113","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526355113/ownership.xml","form_type":"4"}},{"id":840734,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Deferred Stock Units","published_at":"2026-03-17T21:12:53.000Z","date":"2026-03-13","kind":"grant","planned":false,"acquired":true,"shares":2370,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Ruzicka's receipt of 2,370 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 2,370 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 2,370 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Ruzicka's receipt of 2,370 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 2,370 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 2,370 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Ruzicka's receipt of 2,370 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 2,370 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 2,370 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Ruzicka's receipt of 2,370 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 2,370 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 2,370 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."}],"balance_after":5837,"derivative":{"underlying":"Common Stock","underlying_shares":2370},"source":{"system":"sec-edgar","filing":"0001193125-26-111195","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526111195/ownership.xml","form_type":"4"}},{"id":840733,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Common Stock","published_at":"2026-03-17T21:12:53.000Z","date":"2026-03-13","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2370,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Ruzicka's receipt of 2,370 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 2,370 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 2,370 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Ruzicka's receipt of 2,370 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 2,370 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 2,370 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."}],"balance_after":11986,"source":{"system":"sec-edgar","filing":"0001193125-26-111195","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526111195/ownership.xml","form_type":"4"}},{"id":840732,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Banking Ops Officer"}}],"security":"Common Stock","published_at":"2026-03-17T21:12:53.000Z","date":"2026-03-13","kind":"grant","planned":false,"acquired":true,"shares":2370,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price."}],"balance_after":14356,"source":{"system":"sec-edgar","filing":"0001193125-26-111195","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000119312526111195/ownership.xml","form_type":"4"}},{"id":1063357,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Deferred Stock Units","published_at":"2025-08-19T19:57:37.000Z","date":"2025-08-16","kind":"grant","planned":false,"acquired":true,"shares":788,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In connection with the vesting on August 16, 2025, of 788 restricted stock units previously granted to the reporting person, the reporting person's receipt of 788 shares of common stock was deferred resulting in the reporting person's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the vesting on August 16, 2025, of 788 restricted stock units previously granted to the reporting person, the reporting person's receipt of 788 shares of common stock was deferred resulting in the reporting person's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"In connection with the vesting on August 16, 2025, of 788 restricted stock units previously granted to the reporting person, the reporting person's receipt of 788 shares of common stock was deferred resulting in the reporting person's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"In connection with the vesting on August 16, 2025, of 788 restricted stock units previously granted to the reporting person, the reporting person's receipt of 788 shares of common stock was deferred resulting in the reporting person's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":3467,"derivative":{"underlying":"Common Stock","underlying_shares":788},"source":{"system":"sec-edgar","filing":"0000950170-25-110068","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025110068/ownership.xml","form_type":"4"}},{"id":1063356,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2025-08-19T19:57:37.000Z","date":"2025-08-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":788,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"In connection with the vesting on August 16, 2025, of 788 restricted stock units previously granted to the reporting person, the reporting person's receipt of 788 shares of common stock was deferred resulting in the reporting person's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the vesting on August 16, 2025, of 788 restricted stock units previously granted to the reporting person, the reporting person's receipt of 788 shares of common stock was deferred resulting in the reporting person's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":11986,"source":{"system":"sec-edgar","filing":"0000950170-25-110068","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025110068/ownership.xml","form_type":"4"}},{"id":1064881,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Deferred Stock Units","published_at":"2025-08-18T19:37:06.000Z","date":"2025-08-14","kind":"grant","planned":false,"acquired":true,"shares":453,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"In connection with the vesting on August 14, 2025, of 453 restricted stock units previously granted to the reporting person, the reporting person's receipt of 453 shares of common stock was deferred resulting in the reporting person's receipt instead of 453 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 453 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting on August 14, 2025, of 453 restricted stock units previously granted to the reporting person, the reporting person's receipt of 453 shares of common stock was deferred resulting in the reporting person's receipt instead of 453 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 453 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"In connection with the vesting on August 14, 2025, of 453 restricted stock units previously granted to the reporting person, the reporting person's receipt of 453 shares of common stock was deferred resulting in the reporting person's receipt instead of 453 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 453 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"In connection with the vesting on August 14, 2025, of 453 restricted stock units previously granted to the reporting person, the reporting person's receipt of 453 shares of common stock was deferred resulting in the reporting person's receipt instead of 453 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 453 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":2679,"derivative":{"underlying":"Common Stock","underlying_shares":453},"source":{"system":"sec-edgar","filing":"0000950170-25-109671","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025109671/ownership.xml","form_type":"4"}},{"id":1064880,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Employee Stock Option, Right to Buy","published_at":"2025-08-18T19:37:06.000Z","date":"2025-08-14","kind":"grant","planned":false,"acquired":true,"shares":4302,"price":36.43,"value":156721.86,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The options vest 33.33% after one year from the grant date, 66.66% after the second year, and 100% after the third year."}],"balance_after":4302,"derivative":{"exercise_price":36.43,"expiration_date":"2035-08-14","underlying":"Common Stock","underlying_shares":4302},"source":{"system":"sec-edgar","filing":"0000950170-25-109671","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025109671/ownership.xml","form_type":"4"}},{"id":1064879,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2025-08-18T19:37:06.000Z","date":"2025-08-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":453,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"In connection with the vesting on August 14, 2025, of 453 restricted stock units previously granted to the reporting person, the reporting person's receipt of 453 shares of common stock was deferred resulting in the reporting person's receipt instead of 453 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 453 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting on August 14, 2025, of 453 restricted stock units previously granted to the reporting person, the reporting person's receipt of 453 shares of common stock was deferred resulting in the reporting person's receipt instead of 453 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the \"SERP\"). The reporting person is therefore reporting the disposition of 453 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination."}],"balance_after":12774,"source":{"system":"sec-edgar","filing":"0000950170-25-109671","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025109671/ownership.xml","form_type":"4"}},{"id":1064878,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2025-08-18T19:37:06.000Z","date":"2025-08-14","kind":"grant","planned":false,"acquired":true,"shares":1281,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date."}],"balance_after":13227,"source":{"system":"sec-edgar","filing":"0000950170-25-109671","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025109671/ownership.xml","form_type":"4"}},{"id":1193002,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Deferred Stock Units","published_at":"2025-03-25T20:42:50.000Z","date":"2025-03-21","kind":"grant","planned":false,"acquired":true,"shares":1176,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Ruzicka's receipt of 1,176 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 1,176 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 1,176 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Ruzicka's receipt of 1,176 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 1,176 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 1,176 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Ruzicka's receipt of 1,176 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 1,176 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 1,176 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Ruzicka's receipt of 1,176 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 1,176 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 1,176 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."}],"balance_after":2226,"derivative":{"underlying":"Common Stock","underlying_shares":1176},"source":{"system":"sec-edgar","filing":"0000950170-25-044481","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025044481/ownership.xml","form_type":"4"}},{"id":1193001,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2025-03-25T20:42:50.000Z","date":"2025-03-21","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1176,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Ruzicka's receipt of 1,176 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 1,176 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 1,176 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Ruzicka's receipt of 1,176 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 1,176 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 1,176 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."}],"balance_after":11946,"source":{"system":"sec-edgar","filing":"0000950170-25-044481","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025044481/ownership.xml","form_type":"4"}},{"id":1193000,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2025-03-25T20:42:50.000Z","date":"2025-03-21","kind":"grant","planned":false,"acquired":true,"shares":1176,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price."}],"balance_after":13122,"source":{"system":"sec-edgar","filing":"0000950170-25-044481","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025044481/ownership.xml","form_type":"4"}},{"id":1291538,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Employee Stock Option, Right to Buy","published_at":"2025-01-30T20:22:02.000Z","date":"2025-01-28","kind":"exercise","planned":false,"acquired":false,"shares":500,"price":29.7,"value":14850.0,"ownership":{"direct":true},"balance_after":7300,"derivative":{"exercise_price":29.7,"exercise_date":"2022-06-26","expiration_date":"2029-06-26","underlying":"Common Stock","underlying_shares":500},"source":{"system":"sec-edgar","filing":"0000950170-25-011013","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025011013/ownership.xml","form_type":"4"}},{"id":1291537,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2025-01-30T20:22:02.000Z","date":"2025-01-28","kind":"exercise","planned":false,"acquired":true,"shares":500,"price":29.7,"value":14850.0,"ownership":{"direct":true},"balance_after":11946,"source":{"system":"sec-edgar","filing":"0000950170-25-011013","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017025011013/ownership.xml","form_type":"4"}},{"id":1428565,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Deferred Stock Units","published_at":"2024-08-20T20:44:10.000Z","date":"2024-08-16","kind":"grant","planned":false,"acquired":true,"shares":788,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"In connection with the vesting on August 16, 2024, of 788 restricted stock units previously granted to Mr. Ruzicka, Mr. Ruzicka's receipt of 788 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting on August 16, 2024, of 788 restricted stock units previously granted to Mr. Ruzicka, Mr. Ruzicka's receipt of 788 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"In connection with the vesting on August 16, 2024, of 788 restricted stock units previously granted to Mr. Ruzicka, Mr. Ruzicka's receipt of 788 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"In connection with the vesting on August 16, 2024, of 788 restricted stock units previously granted to Mr. Ruzicka, Mr. Ruzicka's receipt of 788 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."}],"balance_after":1050,"derivative":{"underlying":"Common Stock","underlying_shares":788},"source":{"system":"sec-edgar","filing":"0000950170-24-099165","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017024099165/ownership.xml","form_type":"4"}},{"id":1428564,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2024-08-20T20:44:10.000Z","date":"2024-08-16","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":788,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"In connection with the vesting on August 16, 2024, of 788 restricted stock units previously granted to Mr. Ruzicka, Mr. Ruzicka's receipt of 788 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the vesting on August 16, 2024, of 788 restricted stock units previously granted to Mr. Ruzicka, Mr. Ruzicka's receipt of 788 shares of common stock was deferred resulting in Mr. Ruzicka's receipt instead of 788 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the \"SERP\"). Mr. Ruzicka is therefore reporting the disposition of 788 restricted stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Ruzicka's termination of employment."}],"balance_after":11446,"source":{"system":"sec-edgar","filing":"0000950170-24-099165","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000095017024099165/ownership.xml","form_type":"4"}},{"id":1428563,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common 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The restricted stock vests\n33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years."}],"balance_after":7098,"source":{"system":"sec-edgar","filing":"0001209191-20-056121","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000120919120056121/doc4.xml","form_type":"4"}},{"id":3389583,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2019-10-23T18:42:21.000Z","date":"2019-10-22","kind":"tax_withholding","acquired":false,"shares":220,"price":35.38,"value":7783.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 220 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amounts have been adjusted for the two-for-one stock split effective June 3, 2019."}],"balance_after":4610,"source":{"system":"sec-edgar","filing":"0001209191-19-053824","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/36029/000120919119053824/doc4.xml","form_type":"4"}},{"id":3389582,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Common Stock","published_at":"2019-10-23T18:42:21.000Z","date":"2019-10-22","kind":"grant","acquired":true,"shares":2120,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares.  The restricted stock vests\n33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amounts have been adjusted for the two-for-one stock split effective June 3, 2019."}],"balance_after":4830,"source":{"system":"sec-edgar","filing":"0001209191-19-053824","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000120919119053824/doc4.xml","form_type":"4"}},{"id":3478491,"issuer":{"id":3952,"kind":"organization","name":"FIRST FINANCIAL BANKSHARES INC","symbol":"FFIN"},"owners":[{"id":22664,"kind":"person","name":"Ruzicka John James Jr","position":1,"cik":"0001773890","reported_name":"Ruzicka John James Jr","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP-CIO"}}],"security":"Employee Stock Option, Right to Buy","published_at":"2019-06-26T21:37:47.000Z","date":"2019-06-26","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 10,000 shares of the Company's common stock at $29.70 per share.  The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years."}],"balance_after":10000,"derivative":{"exercise_price":29.7,"exercise_date":"2021-06-26","expiration_date":"2029-06-26","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001209191-19-039157","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/36029/000120919119039157/doc4.xml","form_type":"4"}}]}