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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":64460,"source":{"system":"sec-edgar","filing":"0001437749-19-018250","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774919018250/rdgdoc.xml","form_type":"4"}},{"id":3417161,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":155045,"kind":"person","name":"Vascocu Norman Jerome Sr","position":1,"cik":"0001759712","reported_name":"Vascocu Norman Jerome Sr","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2019-09-12T00:26:48.000Z","date":"2019-06-19","kind":"sale","acquired":false,"shares":500,"price":25.11,"value":12555.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $25.01 to $25.25.  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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":65774,"source":{"system":"sec-edgar","filing":"0001437749-19-018250","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774919018250/rdgdoc.xml","form_type":"4"}},{"id":3417160,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":155045,"kind":"person","name":"Vascocu Norman Jerome Sr","position":1,"cik":"0001759712","reported_name":"Vascocu Norman Jerome Sr","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2019-09-12T00:26:48.000Z","date":"2019-06-18","kind":"sale","acquired":false,"shares":470,"price":25.04,"value":11768.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $24.90 to $25.24.  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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":66274,"source":{"system":"sec-edgar","filing":"0001437749-19-018250","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1624322/000143774919018250/rdgdoc.xml","form_type":"4"}},{"id":3417159,"issuer":{"id":4961,"kind":"organization","name":"Business First Bancshares, Inc."},"owners":[{"id":155045,"kind":"person","name":"Vascocu Norman Jerome Sr","position":1,"cik":"0001759712","reported_name":"Vascocu Norman Jerome Sr","relationship":{"director":true}}],"security":"COMMON STOCK","published_at":"2019-09-12T00:26:48.000Z","date":"2019-06-17","kind":"sale","acquired":false,"shares":1029,"price":25.05,"value":25776.45,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $24.92 to $25.20.  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