{"transactions":[{"id":818904,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2026-04-02T20:09:15.000Z","date":"2026-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":1600,"price":27.04,"value":43264.0,"ownership":{"direct":true},"balance_after":21595,"source":{"system":"sec-edgar","filing":"0001437749-26-011120","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926011120/rdgdoc.xml","form_type":"4"}},{"id":865130,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"Restricted Stock Units","published_at":"2026-03-03T23:53:10.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":6309,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Reflects the grant of 6,309 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 2,103 shares will vest on March 2, 2027, 2,103 shares will vest on March 2, 2028, and the remaining 2,103 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. The reporting person has irrevocably elected to defer the reported securities under the Deferred Compensation Plan. In accordance with the Deferred Compensation Plan, the reporting person will receive a lump sum cash distribution in an amount equal to the vested securities deferred under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Reflects the grant of 6,309 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 2,103 shares will vest on March 2, 2027, 2,103 shares will vest on March 2, 2028, and the remaining 2,103 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. The reporting person has irrevocably elected to defer the reported securities under the Deferred Compensation Plan. In accordance with the Deferred Compensation Plan, the reporting person will receive a lump sum cash distribution in an amount equal to the vested securities deferred under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Reflects the grant of 6,309 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 2,103 shares will vest on March 2, 2027, 2,103 shares will vest on March 2, 2028, and the remaining 2,103 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. The reporting person has irrevocably elected to defer the reported securities under the Deferred Compensation Plan. In accordance with the Deferred Compensation Plan, the reporting person will receive a lump sum cash distribution in an amount equal to the vested securities deferred under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Reflects the grant of 6,309 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 2,103 shares will vest on March 2, 2027, 2,103 shares will vest on March 2, 2028, and the remaining 2,103 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. The reporting person has irrevocably elected to defer the reported securities under the Deferred Compensation Plan. In accordance with the Deferred Compensation Plan, the reporting person will receive a lump sum cash distribution in an amount equal to the vested securities deferred under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes: (a) 5,131 time-based restricted stock units granted to the reporting person on December 12, 2024, which will vest in two substantially equal installments on the second and third anniversary of the issuance date; (b) 5,392 time-based restricted stock units granted to the reporting person on March 1, 2025, which will vest in two substantially equal installments on the second and third anniversary of the issuance date; (c) 1,577 time-based restricted stock units granted to the reporting person on March 2, 2026, which will vest in three substantially equal installments on the first, second, and third anniversary of the issue date; and (d) 6,309 time-based restricted stock units granted to the reporting person on March 2, 2026, which will vest in three substantially equal installments on the first, second, and third anniversary of the issue date."}],"balance_after":18409,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":6309},"source":{"system":"sec-edgar","filing":"0001437749-26-006732","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926006732/rdgdoc.xml","form_type":"4"}},{"id":865129,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"Restricted Stock Units","published_at":"2026-03-03T23:53:10.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":1577,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Reflects the grant of 1,577 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 525 shares will vest on March 2, 2027, 525 shares will vest on March 2, 2028, and the remaining 527 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Reflects the grant of 1,577 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 525 shares will vest on March 2, 2027, 525 shares will vest on March 2, 2028, and the remaining 527 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Reflects the grant of 1,577 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 525 shares will vest on March 2, 2027, 525 shares will vest on March 2, 2028, and the remaining 527 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Reflects the grant of 1,577 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 525 shares will vest on March 2, 2027, 525 shares will vest on March 2, 2028, and the remaining 527 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."}],"balance_after":12100,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1577},"source":{"system":"sec-edgar","filing":"0001437749-26-006732","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926006732/rdgdoc.xml","form_type":"4"}},{"id":865128,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"Restricted Stock Units","published_at":"2026-03-03T23:53:10.000Z","date":"2026-03-01","kind":"exercise","planned":false,"acquired":false,"shares":2655,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The reporting person received an award of 8,047 time-based restricted stock units on March 1, 2025, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person received an award of 8,047 time-based restricted stock units on March 1, 2025, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person received an award of 8,047 time-based restricted stock units on March 1, 2025, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person received an award of 8,047 time-based restricted stock units on March 1, 2025, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."}],"balance_after":10523,"derivative":{"underlying":"Common Stock","underlying_shares":2655},"source":{"system":"sec-edgar","filing":"0001437749-26-006732","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926006732/rdgdoc.xml","form_type":"4"}},{"id":865127,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2026-03-03T23:53:10.000Z","date":"2026-03-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2655,"price":27.3,"value":72481.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were acquired upon the partial vesting of the previously reported time-based restricted stock units granted to the reporting person on December 12, 2024. The reporting person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the reporting person has elected to received cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in with the reporting person's separation of service occurs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":23195,"source":{"system":"sec-edgar","filing":"0001437749-26-006732","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926006732/rdgdoc.xml","form_type":"4"}},{"id":865126,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2026-03-03T23:53:10.000Z","date":"2026-03-01","kind":"exercise","planned":false,"acquired":true,"shares":2655,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person received an award of 8,047 time-based restricted stock units on March 1, 2025, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":25850,"source":{"system":"sec-edgar","filing":"0001437749-26-006732","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774926006732/rdgdoc.xml","form_type":"4"}},{"id":967073,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"Restricted Stock Units","published_at":"2025-12-16T22:44:30.000Z","date":"2025-12-12","kind":"exercise","planned":false,"acquired":false,"shares":2526,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The reporting person received an award of 7,657 time-based restricted stock units on December 12, 2024, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person received an award of 7,657 time-based restricted stock units on December 12, 2024, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person received an award of 7,657 time-based restricted stock units on December 12, 2024, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person received an award of 7,657 time-based restricted stock units on December 12, 2024, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes: (a) 5,131 time-based restricted stock units granted to the Reporting Person on December 12, 2024, which will vest in two substantially equal installments on the second and third anniversary of the issuance date; and (b) 8,047 time-based restricted stock units granted to the reporting person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028."}],"balance_after":13178,"derivative":{"underlying":"Common Stock","underlying_shares":2526},"source":{"system":"sec-edgar","filing":"0001437749-25-038062","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925038062/rdgdoc.xml","form_type":"4"}},{"id":967072,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2025-12-16T22:44:30.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2526,"price":27.71,"value":69995.46,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"These shares were acquired upon the partial vesting of the previously reported time-based restricted stock units granted to the reporting person on December 12, 2024. The reporting person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the reporting person has elected to received cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in with the reporting person's separation of service occurs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":23195,"source":{"system":"sec-edgar","filing":"0001437749-25-038062","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925038062/rdgdoc.xml","form_type":"4"}},{"id":967071,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2025-12-16T22:44:30.000Z","date":"2025-12-12","kind":"exercise","planned":false,"acquired":true,"shares":2526,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person received an award of 7,657 time-based restricted stock units on December 12, 2024, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":25721,"source":{"system":"sec-edgar","filing":"0001437749-25-038062","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925038062/rdgdoc.xml","form_type":"4"}},{"id":988356,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2025-11-25T21:05:49.000Z","date":"2025-11-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":824,"price":25.72,"value":21193.28,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":23195,"source":{"system":"sec-edgar","filing":"0001437749-25-036320","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925036320/rdgdoc.xml","form_type":"4"}},{"id":988355,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2025-11-25T21:05:49.000Z","date":"2025-11-21","kind":"grant","planned":false,"acquired":true,"shares":1945,"price":25.72,"value":50025.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to the reporting person. The restricted stock fully vested on November 21, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":24019,"source":{"system":"sec-edgar","filing":"0001437749-25-036320","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925036320/rdgdoc.xml","form_type":"4"}},{"id":1182510,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2025-04-02T22:21:08.000Z","date":"2025-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":3809,"price":24.35,"value":92749.15,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,776 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":22074,"source":{"system":"sec-edgar","filing":"0001437749-25-010775","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925010775/rdgdoc.xml","form_type":"4"}},{"id":1221615,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"Restricted Stock Units","published_at":"2025-03-05T11:08:27.000Z","date":"2025-03-01","kind":"grant","planned":false,"acquired":true,"shares":8047,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects the grant of 8,047 time-based restricted stock units granted to the Reporting Person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"shares","element":"transactionShares","label":"F4","text":"The Reporting Person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the Reporting Person has elected to receive cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto in accordance with the Deferred Compensation Plan, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the Reporting Person's separation of service occurs."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects the grant of 8,047 time-based restricted stock units granted to the Reporting Person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Reflects the grant of 8,047 time-based restricted stock units granted to the Reporting Person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Reflects the grant of 8,047 time-based restricted stock units granted to the Reporting Person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Reflects the grant of 8,047 time-based restricted stock units granted to the Reporting Person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"The Reporting Person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the Reporting Person has elected to receive cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto in accordance with the Deferred Compensation Plan, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the Reporting Person's separation of service occurs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes: (a) 7,657 time-based restricted stock units granted to the Reporting Person on December 12, 2024, which will vest in three substantially equal installments on the first, second, and third anniversary of the issuance date; and (b) 8,047 time-based restricted stock units granted to the Reporting Person on March 1, 2025, of which 2,655 shares will vest on March 1, 2026, 2,655 shares will vest on March 1, 2027, and the remaining 2,737 shares will vest on March 1, 2028."}],"balance_after":15704,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":8047},"source":{"system":"sec-edgar","filing":"0001437749-25-006201","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925006201/rdgdoc.xml","form_type":"4"}},{"id":1266630,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2025-02-14T21:10:49.000Z","date":"2024-11-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":794,"price":27.95,"value":22192.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 21, 2024, 1,789 shares of restricted stock beneficially owned by the Reporting Person fully vested. These shares were previously reported as beneficially owned by the Reporting Person. Upon vesting, 794 shares of the restricted stock were withheld by the Issuer to satisfy tax withholding obligations of the Reporting Person in connection with the vesting thereof."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of (a) 5,500 shares of unvested restricted stock granted on 2/1/2023 which will vest on 3/31/2025, and (b) 7,442 shares of unvested restricted stock granted on 2/1/2024, of which 3,666 shares will vest on 3/31/2025, and the remaining 3,776 shares will vest on 3/31/2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":25883,"source":{"system":"sec-edgar","filing":"0001437749-25-003997","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774925003997/rdgdoc.xml","form_type":"5"}},{"id":1330472,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"Restricted Stock Units","published_at":"2024-12-16T21:10:55.000Z","date":"2024-12-12","kind":"grant","planned":false,"acquired":true,"shares":7657,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Reflects time-based restricted stock units granted to the reporting person under the Business First Bancshares, Inc. 2024 Equity Incentive Plan (the \"Incentive Plan\") on December 12, 2024. The time-based restricted stock units will vest in three substantially equal installments on the first, second, and third anniversary of the issuance date. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer."},{"field":"shares","element":"transactionShares","label":"F4","text":"The reporting person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the reporting person has elected to receive cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto in accordance with the Deferred Compensation Plan, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The reporting person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the reporting person has elected to receive cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto in accordance with the Deferred Compensation Plan, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The reporting person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the \"Deferred Compensation Plan\"). In accordance with the Deferred Compensation Plan, the reporting person has elected to receive cash in an amount equal to the vested securities under the Deferred Compensation Plan, plus any earnings or losses attributable thereto in accordance with the Deferred Compensation Plan, distributed in equal annual installments over a 10-year period commencing on the first business day of the month following the month in which the reporting person's separation of service occurs."}],"balance_after":7657,"derivative":{"underlying":"Common Stock","underlying_shares":7657},"source":{"system":"sec-edgar","filing":"0001437749-24-037597","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774924037597/rdgdoc.xml","form_type":"4"}},{"id":1352323,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"President of b1Bank"}}],"security":"COMMON STOCK","published_at":"2024-11-25T21:05:41.000Z","date":"2024-11-21","kind":"grant","planned":false,"acquired":true,"shares":1789,"price":27.95,"value":50002.55,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to the reporting person. The restricted stock fully vested on 11/21/2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of (a) 5,500 shares of unvested restricted stock granted on 2/1/2023 which will vest on 3/31/2025, and (b) 7,442 shares of unvested restricted stock granted on 2/1/2024, of which 3,666 shares will vest on 3/31/2025, and the remaining 3,776 shares will vest on 3/31/2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":26677,"source":{"system":"sec-edgar","filing":"0001437749-24-036163","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774924036163/rdgdoc.xml","form_type":"4"}},{"id":1552674,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"EVP, CAO of b1Bank"}}],"security":"COMMON STOCK","published_at":"2024-04-02T20:27:10.000Z","date":"2024-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":2554,"price":22.28,"value":56903.12,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of (a) 5,500 shares of unvested restricted stock granted on 2/1/2023 which will vest on 3/31/2025, and (b) 7,442 shares of unvested restricted stock granted on 2/1/2024, of which 3,666 shares will vest on 3/31/2025, and the remaining 3,776 shares will vest on 3/31/2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":24888,"source":{"system":"sec-edgar","filing":"0001437749-24-010609","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774924010609/rdgdoc.xml","form_type":"4"}},{"id":1621712,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"EVP, CAO of b1Bank"}}],"security":"COMMON STOCK","published_at":"2024-02-23T21:06:50.000Z","date":"2023-11-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":717,"price":20.48,"value":14684.16,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 10,838 shares of unvested restricted stock granted on 2/1/2023, of which 5,338 shares will vest on 3/31/2024 and the remaining 5,500 shares will vest on 3/31/2025.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Intervening reports do not reflect this transaction."}],"balance_after":16334,"source":{"system":"sec-edgar","filing":"0001437749-24-005373","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774924005373/rdgdoc.xml","form_type":"4/A","original_submission_date":"2023-11-22"}},{"id":1660708,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"EVP, CAO of b1Bank"}}],"security":"COMMON STOCK","published_at":"2024-02-02T22:07:17.000Z","date":"2024-02-01","kind":"grant","planned":false,"acquired":true,"shares":11108,"price":22.48,"value":249707.84,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of (a) 10,838 shares of unvested restricted stock granted on 2/1/2023, of which 5,338 shares will vest on 3/31/2024 and the remaining 5,500 shares will vest on 3/31/2025, and (b) 11,108 shares of unvested restricted stock granted on 2/1/2024, of which 3,666 shares will vest on 3/31/2024, 3,666 shares will vest on 3/31/2025, and the remaining 3,776 shares will vest on 3/31/2026.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":28159,"source":{"system":"sec-edgar","filing":"0001437749-24-002980","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774924002980/rdgdoc.xml","form_type":"4"}},{"id":1730771,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"EVP, CAO of b1Bank"}}],"security":"COMMON STOCK","published_at":"2023-11-22T21:07:28.000Z","date":"2023-11-21","kind":"grant","planned":false,"acquired":true,"shares":2442,"price":20.48,"value":50012.16,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of 10,838 shares of unvested restricted stock granted on 2/1/2023, of which 5,338 shares will vest on 3/31/2024 and the remaining 5,500 shares will vest on 3/31/2025.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":17051,"source":{"system":"sec-edgar","filing":"0001437749-23-032894","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923032894/rdgdoc.xml","form_type":"4"}},{"id":1926713,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"EVP, CAO of b1Bank"}}],"security":"COMMON STOCK","published_at":"2023-04-04T20:20:21.000Z","date":"2023-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":1567,"price":17.13,"value":26842.71,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of 10,838 shares of unvested restricted stock granted on 2/1/2023, of which 5,338 shares will vest on 3/31/2024 and the remaining 5,500 shares will vest on 3/31/2025.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":14609,"source":{"system":"sec-edgar","filing":"0001437749-23-009305","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923009305/rdgdoc.xml","form_type":"4"}},{"id":2032055,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":54195,"kind":"person","name":"Vascocu Norman Jerome Jr","position":1,"cik":"0001955172","reported_name":"Vascocu Norman Jerome Jr","relationship":{"officer":true,"officer_title":"EVP, CAO of b1Bank"}}],"security":"COMMON STOCK","published_at":"2023-02-03T22:30:03.000Z","date":"2023-02-01","kind":"grant","acquired":true,"shares":16176,"price":20.74,"value":335490.24,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock to reporting person. The terms of the restricted stock grant are described in footnote 2 below."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 16,176 shares of unvested restricted stock granted on 2/1/2023, of which 5,338 shares will vest on 3/31/2023, 5,338 shares will vest on 3/31/2024, and the remaining 5,500 shares will vest on 3/31/2025.  Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events."}],"balance_after":16176,"source":{"system":"sec-edgar","filing":"0001437749-23-002494","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774923002494/rdgdoc.xml","form_type":"4"}}]}