{"transactions":[{"id":723706,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2026-06-29T22:21:30.000Z","date":"2026-06-26","kind":"exercise","planned":false,"acquired":false,"shares":1016,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The reporting person received an award of 1,016 time-based restricted stock units on June 26, 2025, vesting on the first anniversary of the issuance date.\nRemarks"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person received an award of 1,016 time-based restricted stock units on June 26, 2025, vesting on the first anniversary of the issuance date.\nRemarks"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person received an award of 1,016 time-based restricted stock units on June 26, 2025, vesting on the first anniversary of the issuance date.\nRemarks"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person received an award of 1,016 time-based restricted stock units on June 26, 2025, vesting on the first anniversary of the issuance date.\nRemarks"}],"balance_after":998,"derivative":{"underlying":"Common Stock","underlying_shares":998},"source":{"system":"sec-edgar","filing":"0001437749-26-022051","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926022051/rdgdoc.xml","form_type":"4"}},{"id":723705,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2026-06-29T22:21:30.000Z","date":"2026-06-25","kind":"grant","planned":false,"acquired":true,"shares":998,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the grant of time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan on June 25, 2026. The time-based restricted stock units will fully vest on June 25, 2027. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. Under the terms of the relevant restricted stock unit grant, the reported unvested restricted stock units are subject to forfeiture upon the occurrence of certain events."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Reflects the grant of time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan on June 25, 2026. The time-based restricted stock units will fully vest on June 25, 2027. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. Under the terms of the relevant restricted stock unit grant, the reported unvested restricted stock units are subject to forfeiture upon the occurrence of certain events."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Reflects the grant of time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan on June 25, 2026. The time-based restricted stock units will fully vest on June 25, 2027. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. Under the terms of the relevant restricted stock unit grant, the reported unvested restricted stock units are subject to forfeiture upon the occurrence of certain events."}],"balance_after":2014,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":998},"source":{"system":"sec-edgar","filing":"0001437749-26-022051","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926022051/rdgdoc.xml","form_type":"4"}},{"id":723704,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2026-06-29T22:21:30.000Z","date":"2026-06-26","kind":"exercise","planned":false,"acquired":true,"shares":1016,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person received an award of 1,016 time-based restricted stock units on June 26, 2025, vesting on the first anniversary of the issuance date.\nRemarks"}],"balance_after":11680,"source":{"system":"sec-edgar","filing":"0001437749-26-022051","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926022051/rdgdoc.xml","form_type":"4"}},{"id":1098961,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2025-06-30T23:45:56.000Z","date":"2025-06-26","kind":"grant","planned":false,"acquired":true,"shares":1016,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Reflects the grant of time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan on June 26, 2025. The time-based restricted stock units will fully vest on June 26, 2026. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. Under the terms of the relevant restricted stock unit grant, the reported unvested restricted stock units are subject to forfeiture upon the occurrence of certain events."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Reflects the grant of time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan on June 26, 2025. The time-based restricted stock units will fully vest on June 26, 2026. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. Under the terms of the relevant restricted stock unit grant, the reported unvested restricted stock units are subject to forfeiture upon the occurrence of certain events."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Reflects the grant of time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan on June 26, 2025. The time-based restricted stock units will fully vest on June 26, 2026. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. Under the terms of the relevant restricted stock unit grant, the reported unvested restricted stock units are subject to forfeiture upon the occurrence of certain events."}],"balance_after":1016,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1016},"source":{"system":"sec-edgar","filing":"0001437749-25-021614","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925021614/rdgdoc.xml","form_type":"4"}},{"id":1533596,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-04-29T21:58:04.000Z","date":"2024-04-25","kind":"grant","planned":false,"acquired":true,"shares":1149,"price":21.77,"value":25013.73,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person. The restricted stock fully vests April 26, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 1,584 shares of restricted stock granted on May 8, 2023, which vest on May 8, 2024, and (b) 1,149 shares of restricted stock granted on April 25, 2024, which vest on April 26, 2025."}],"balance_after":10664,"source":{"system":"sec-edgar","filing":"0001437749-24-013794","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774924013794/rdgdoc.xml","form_type":"4"}},{"id":1894657,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Common Stock","published_at":"2023-05-12T20:05:43.000Z","date":"2023-05-10","kind":"purchase","planned":false,"acquired":true,"shares":750,"price":13.99,"value":10492.5,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (a) 1,182 shares of restricted stock granted on June 23, 2022, which vest on the earlier of June 22, 2023 or the day immediately prior to the next annual meeting of shareholders following the grant, and (b) 1,584 shares restricted stock granted on May 8, 2023, which vest on May 8, 2024."}],"balance_after":9515,"source":{"system":"sec-edgar","filing":"0001437749-23-014224","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923014224/rdgdoc.xml","form_type":"4"}},{"id":1897822,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2023-05-10T20:05:16.000Z","date":"2023-05-10","kind":"purchase","planned":false,"acquired":true,"shares":750,"price":13.99,"value":10492.5,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (a) 1,182 shares of restricted stock granted on June 23, 2022, which vest on the earlier of June 22, 2023 or the day immediately prior to the next annual meeting of shareholders following the grant, and (b) 1,584 shares restricted stock granted on May 8, 2023, which vest on May 8, 2024."}],"balance_after":9515,"source":{"system":"sec-edgar","filing":"0001437749-23-013581","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923013581/rdgdoc.xml","form_type":"4"}},{"id":1899179,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2023-05-09T21:37:10.000Z","date":"2023-05-08","kind":"grant","planned":false,"acquired":true,"shares":1584,"price":15.78,"value":24995.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person.  The restricted stock fully vests May 8, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) 1,182 shares of restricted stock granted on June 23, 2022, which vest on the earlier of June 22, 2023 or the day immediately prior to the next annual meeting of shareholders following the grant, and (b) 1,584 shares restricted stock granted on May 8, 2023, which vest on May 8, 2024."}],"balance_after":8765,"source":{"system":"sec-edgar","filing":"0001437749-23-013361","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923013361/rdgdoc.xml","form_type":"4"}},{"id":2047214,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"SERIES A PREFERRED STOCK","published_at":"2023-01-24T22:22:22.000Z","date":"2022-09-01","kind":"grant","acquired":true,"shares":100,"price":1000,"value":100000.0,"ownership":{"direct":true},"balance_after":100,"source":{"system":"sec-edgar","filing":"0001437749-23-001691","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923001691/rdgdoc.xml","form_type":"4"}},{"id":2220867,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2022-06-27T22:43:21.000Z","date":"2022-06-23","kind":"grant","acquired":true,"shares":1182,"price":21.15,"value":24999.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person. The restricted stock fully vests on the earlier of (a) June 22, 2023, or (b) the day immediately prior to the next annual meeting of shareholders following the grant."}],"balance_after":7181,"source":{"system":"sec-edgar","filing":"0001437749-22-016042","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774922016042/rdgdoc.xml","form_type":"4"}},{"id":2286169,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2022-05-03T01:21:08.000Z","date":"2022-04-28","kind":"grant","acquired":true,"shares":780,"price":23.08,"value":18002.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person.  The restricted stock fully vests on May 31, 2022."}],"balance_after":5999,"source":{"system":"sec-edgar","filing":"0001437749-22-010562","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774922010562/rdgdoc.xml","form_type":"4"}},{"id":2332679,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2022-03-15T20:06:00.000Z","date":"2022-03-11","kind":"grant","acquired":true,"shares":3500,"price":25.04,"value":87640.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $24.95 to $25.08. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":5219,"source":{"system":"sec-edgar","filing":"0001437749-22-006285","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774922006285/rdgdoc.xml","form_type":"4"}},{"id":2606425,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2021-08-11T20:07:54.000Z","date":"2021-05-27","kind":"grant","acquired":true,"shares":248,"price":24.4,"value":6051.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person.  The restricted stock fully vested on May 31, 2021."}],"balance_after":1719,"source":{"system":"sec-edgar","filing":"0001437749-21-019453","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774921019453/rdgdoc.xml","form_type":"4"}},{"id":2825249,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-03-01T22:30:50.000Z","date":"2021-02-25","kind":"grant","acquired":true,"shares":331,"price":22.64,"value":7493.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person.  The restricted stock fully vests on March 31, 2021."}],"balance_after":1471,"source":{"system":"sec-edgar","filing":"0001437749-21-004623","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774921004623/rdgdoc.xml","form_type":"4"}},{"id":3185735,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"Common Stock","published_at":"2020-04-03T01:37:56.000Z","date":"2020-03-26","kind":"grant","acquired":true,"shares":300,"price":14.87,"value":4461.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person. The restricted stock fully vested on March 31, 2020."}],"balance_after":1140,"source":{"system":"sec-edgar","filing":"0001437749-20-007022","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774920007022/rdgdoc.xml","form_type":"4"}},{"id":3398048,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":34742,"kind":"person","name":"PRICE ARTHUR","position":1,"cik":"0001734787","reported_name":"PRICE ARTHUR","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2019-10-03T21:47:19.000Z","date":"2019-03-31","kind":"grant","acquired":true,"shares":296,"price":25.33,"value":7497.68,"ownership":{"direct":true},"balance_after":840,"source":{"system":"sec-edgar","filing":"0001437749-19-019640","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774919019640/rdgdoc.xml","form_type":"4"}}]}