{"transactions":[{"id":679954,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21249,"kind":"person","name":"KISTNER WILLIAM G","position":1,"cik":"0001739310","reported_name":"KISTNER WILLIAM G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2026-08-20T17:15:35.000Z","date":"2026-08-19","kind":"purchase","planned":false,"acquired":true,"shares":100,"price":38.3,"value":3830.0,"ownership":{"direct":false,"nature":"William G. Kistner Trust Date June 22, 1973"},"balance_after":14289,"source":{"system":"sec-edgar","filing":"0001739310-26-000004","document":"form4-08202026_050831.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1739310/000173931026000004/form4-08202026_050831.xml","form_type":"4"}},{"id":679917,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21240,"kind":"person","name":"HERSETH MARY JO S.","position":1,"cik":"0001772766","reported_name":"HERSETH MARY JO S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2026-08-20T17:12:46.000Z","date":"2026-08-19","kind":"purchase","planned":false,"acquired":true,"shares":300,"price":38.395,"value":11518.5,"ownership":{"direct":false,"nature":"The Herseth Family Revocable Trust Dated 12/02/25"},"balance_after":19100,"source":{"system":"sec-edgar","filing":"0001772766-26-000004","document":"form4-08202026_050841.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000177276626000004/form4-08202026_050841.xml","form_type":"4"}},{"id":686920,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2026-08-14T21:55:24.000Z","date":"2026-08-13","kind":"sale","planned":false,"acquired":false,"shares":19750,"price":39.2054,"value":774306.65,"ownership":{"direct":true},"balance_after":411643,"source":{"system":"sec-edgar","filing":"0001214993-26-000004","document":"form4-08142026_090819.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000121499326000004/form4-08142026_090819.xml","form_type":"4"}},{"id":689274,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24125,"kind":"person","name":"Rose Dana","position":1,"cik":"0001858291","reported_name":"Rose Dana","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF HUMAN RESOURCES OFFICER"}}],"security":"Common stock","published_at":"2026-08-12T20:30:41.000Z","date":"2026-08-12","kind":"sale","planned":false,"acquired":false,"shares":2421,"price":39,"value":94419.0,"ownership":{"direct":true},"balance_after":11605,"source":{"system":"sec-edgar","filing":"0001858291-26-000004","document":"form4-08122026_080838.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185829126000004/form4-08122026_080838.xml","form_type":"4"}},{"id":690806,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24620,"kind":"organization","name":"MBG INVESTORS I, L.P.","position":1,"cik":"0001710094","reported_name":"MBG INVESTORS I, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock","published_at":"2026-08-11T21:57:29.000Z","date":"2026-08-07","kind":"sale","planned":false,"acquired":false,"shares":300000,"price":39.1,"value":11730000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Sale to and repurchase by Byline Bancorp, Inc. (\"the Issuer\") of 300,000 shares of Common Stock (the \"Shares\") pursuant to a Stock Repurchase Agreement (the \"Stock Repurchase Agreement\") dated as of August 7, 2026 between MBG Investors I, L.P. and the Issuer. Under the Stock Repurchase Agreement, the Issuer agreed to purchase the Shares at a price of $39.10 per Share, which price was determined based on the five (5) day average closing price for the Common Stock on the NYSE for the period from July 27, 2026 through July 31, 2026."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Mr. Antonio del Valle Perochena is the general partner of MBG Investors I, L.P. and possesses sole voting and investment power with respect to the shares of common stock held by MBG Investors I, L.P. Mr. del Valle Perochena owns 16.68% of the partnership interests of MBG Investors I, L.P. Mr. del Valle Perochena disclaims beneficial ownership of such shares of common stock except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such disclaimed shares of common stock for purposes of Section 16 or for any other purpose. The address for MBG Investors I, L.P. is 365 Bay Street, Suite 800, M5H2V1 Toronto, Ontario, Canada."}],"balance_after":11535145,"source":{"system":"sec-edgar","filing":"0001710094-26-000002","document":"form4-08112026_090824.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000171009426000002/form4-08112026_090824.xml","form_type":"4"}},{"id":690805,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24619,"kind":"person","name":"DEL VALLE PEROCHENA ANTONIO","position":1,"cik":"0001709907","reported_name":"DEL VALLE PEROCHENA ANTONIO","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock","published_at":"2026-08-11T20:05:10.000Z","date":"2026-08-07","kind":"sale","planned":false,"acquired":false,"shares":300000,"price":39.1,"value":11730000.0,"ownership":{"direct":false,"nature":"By MBG Investors I, L.P."},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Sale to and repurchase by Byline Bancorp, Inc. (\"the Issuer\") of 300,000 shares of Common Stock (the \"Shares\") pursuant to a Stock Repurchase Agreement (the \"Stock Repurchase Agreement\") dated as of August 7, 2026 between MBG Investors I, L.P. and the Issuer. Under the Stock Repurchase Agreement, the Issuer agreed to purchase the Shares at a price of $39.10 per Share, which price was determined based on the five (5) day average closing price for the Common Stock on the NYSE for the period from July 27, 2026 through July 31, 2026."}],"balance_after":11535145,"source":{"system":"sec-edgar","filing":"0001709907-26-000002","document":"form4-08112026_040806.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000170990726000002/form4-08112026_040806.xml","form_type":"4"}},{"id":697216,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common Stock","published_at":"2026-08-04T17:41:06.000Z","date":"2026-08-03","kind":"exercise","planned":false,"acquired":false,"shares":9450,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":12.7,"exercise_date":"2018-05-31","expiration_date":"2026-12-20","underlying":"Common Stock","underlying_shares":9450},"source":{"system":"sec-edgar","filing":"0001368185-26-000004","document":"form4-08042026_050802.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000004/form4-08042026_050802.xml","form_type":"4"}},{"id":697215,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2026-08-04T17:41:06.000Z","date":"2026-08-03","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":9450,"price":39.6107,"value":374321.115,"ownership":{"direct":true},"balance_after":25859,"source":{"system":"sec-edgar","filing":"0001368185-26-000004","document":"form4-08042026_050802.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000004/form4-08042026_050802.xml","form_type":"4"}},{"id":697214,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2026-08-04T17:41:06.000Z","date":"2026-08-03","kind":"grant","planned":false,"acquired":true,"shares":9450,"price":12.7,"value":120015.0,"ownership":{"direct":true},"balance_after":35309,"source":{"system":"sec-edgar","filing":"0001368185-26-000004","document":"form4-08042026_050802.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000004/form4-08042026_050802.xml","form_type":"4"}},{"id":743183,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":14386,"kind":"person","name":"SACRISTAN CARLOS RUIZ","position":1,"cik":"0001280486","reported_name":"SACRISTAN CARLOS RUIZ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-10T20:57:55.000Z","date":"2026-06-08","kind":"grant","planned":false,"acquired":true,"shares":1533,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted shares of Common Stock that will vest on June 1, 2027, subject to continued service, to be received pursuant to the Company's Director Compensation Program."}],"balance_after":13533,"source":{"system":"sec-edgar","filing":"0001280486-26-000006","document":"form4-06102026_080650.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000128048626000006/form4-06102026_080650.xml","form_type":"4"}},{"id":743176,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":39671,"kind":"person","name":"Hugues Velez Margarita","position":1,"cik":"0001925724","reported_name":"Hugues Velez Margarita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-10T20:50:09.000Z","date":"2026-06-08","kind":"grant","planned":false,"acquired":true,"shares":1533,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted shares of Common Stock that will vest on June 1, 2027, subject to continued service, to be received pursuant to the Company's Director Compensation Program."}],"balance_after":8722,"source":{"system":"sec-edgar","filing":"0001925724-26-000004","document":"form4-06102026_080605.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000192572426000004/form4-06102026_080605.xml","form_type":"4"}},{"id":751810,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":39671,"kind":"person","name":"Hugues Velez Margarita","position":1,"cik":"0001925724","reported_name":"Hugues Velez Margarita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-03T18:45:52.000Z","date":"2026-06-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":530,"price":33.41,"value":17707.3,"ownership":{"direct":true},"balance_after":7189,"source":{"system":"sec-edgar","filing":"0001925724-26-000002","document":"form4-06032026_060648.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000192572426000002/form4-06032026_060648.xml","form_type":"4"}},{"id":793894,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21249,"kind":"person","name":"KISTNER WILLIAM G","position":1,"cik":"0001739310","reported_name":"KISTNER WILLIAM G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2026-05-04T20:05:44.000Z","date":"2026-05-04","kind":"purchase","planned":false,"acquired":true,"shares":100,"price":31.97,"value":3197.0,"ownership":{"direct":false,"nature":"William G. Kistner Trust Date June 22, 1973"},"balance_after":14189,"source":{"system":"sec-edgar","filing":"0001739310-26-000002","document":"form4-05042026_080540.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1739310/000173931026000002/form4-05042026_080540.xml","form_type":"4"}},{"id":804522,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":51947,"kind":"person","name":"ABRAHAM THOMAS","position":1,"cik":"0001779917","reported_name":"ABRAHAM THOMAS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT, SBC"}}],"security":"Comon stock","published_at":"2026-04-20T19:34:33.000Z","date":"2026-04-16","kind":"grant","planned":false,"acquired":true,"shares":2406,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":45539,"source":{"system":"sec-edgar","filing":"0001779917-26-000004","document":"form4-04202026_070428.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1779917/000177991726000004/form4-04202026_070428.xml","form_type":"4"}},{"id":841635,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21240,"kind":"person","name":"HERSETH MARY JO S.","position":1,"cik":"0001772766","reported_name":"HERSETH MARY JO S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2026-03-16T20:03:17.000Z","date":"2026-03-16","kind":"purchase","planned":false,"acquired":true,"shares":300,"price":30.8297,"value":9248.91,"ownership":{"direct":false,"nature":"The Herseth Family Revocable Trust Dated 12/02/25"},"balance_after":18800,"source":{"system":"sec-edgar","filing":"0001772766-26-000002","document":"form4-03162026_080311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000177276626000002/form4-03162026_080311.xml","form_type":"4"}},{"id":874248,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":63954,"kind":"person","name":"Barkidjija John","position":1,"cik":"0001464380","reported_name":"Barkidjija John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF CRE & SPECIALTY FIN"}}],"security":"Common stock","published_at":"2026-03-02T11:00:12.000Z","date":"2026-02-26","kind":"sale","planned":false,"acquired":false,"shares":4509,"price":32.33,"value":145775.97,"ownership":{"direct":true},"balance_after":19243,"source":{"system":"sec-edgar","filing":"0001464380-26-000004","document":"form4-03022026_060301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000146438026000004/form4-03022026_060301.xml","form_type":"4"}},{"id":884999,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64952,"kind":"person","name":"Mando Nicolas","position":1,"cik":"0001858221","reported_name":"Mando Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF TECHNOLOGY & OPERATIONS"}}],"security":"Common stock","published_at":"2026-02-25T00:43:08.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":636,"price":33.13,"value":21070.68,"ownership":{"direct":true},"balance_after":15593,"source":{"system":"sec-edgar","filing":"0001858221-26-000002","document":"form4-02252026_120205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185822126000002/form4-02252026_120205.xml","form_type":"4"}},{"id":884998,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64952,"kind":"person","name":"Mando Nicolas","position":1,"cik":"0001858221","reported_name":"Mando Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF TECHNOLOGY & OPERATIONS"}}],"security":"Common stock","published_at":"2026-02-25T00:43:08.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":1704,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":16229,"source":{"system":"sec-edgar","filing":"0001858221-26-000002","document":"form4-02252026_120205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185822126000002/form4-02252026_120205.xml","form_type":"4"}},{"id":884997,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64952,"kind":"person","name":"Mando Nicolas","position":1,"cik":"0001858221","reported_name":"Mando Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF TECHNOLOGY & OPERATIONS"}}],"security":"Common stock","published_at":"2026-02-25T00:43:08.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":772,"price":33.13,"value":25576.36,"ownership":{"direct":true},"balance_after":14525,"source":{"system":"sec-edgar","filing":"0001858221-26-000002","document":"form4-02252026_120205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185822126000002/form4-02252026_120205.xml","form_type":"4"}},{"id":884996,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64952,"kind":"person","name":"Mando Nicolas","position":1,"cik":"0001858221","reported_name":"Mando Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF TECHNOLOGY & OPERATIONS"}}],"security":"Common stock","published_at":"2026-02-25T00:43:08.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2231,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":15297,"source":{"system":"sec-edgar","filing":"0001858221-26-000002","document":"form4-02252026_120205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185822126000002/form4-02252026_120205.xml","form_type":"4"}},{"id":884992,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":48912,"kind":"person","name":"Paracchini Alberto J","position":1,"cik":"0001482596","reported_name":"Paracchini Alberto J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Common stock","published_at":"2026-02-25T00:41:03.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":2743,"price":33.13,"value":90875.59,"ownership":{"direct":true},"balance_after":194276,"source":{"system":"sec-edgar","filing":"0001482596-26-000002","document":"form4-02252026_120200.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000148259626000002/form4-02252026_120200.xml","form_type":"4"}},{"id":884991,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":48912,"kind":"person","name":"Paracchini Alberto J","position":1,"cik":"0001482596","reported_name":"Paracchini Alberto J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Common stock","published_at":"2026-02-25T00:41:03.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":8029,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":197019,"source":{"system":"sec-edgar","filing":"0001482596-26-000002","document":"form4-02252026_120200.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000148259626000002/form4-02252026_120200.xml","form_type":"4"}},{"id":884990,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":48912,"kind":"person","name":"Paracchini Alberto J","position":1,"cik":"0001482596","reported_name":"Paracchini Alberto J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Common stock","published_at":"2026-02-25T00:41:03.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":3415,"price":33.13,"value":113138.95,"ownership":{"direct":true},"balance_after":188990,"source":{"system":"sec-edgar","filing":"0001482596-26-000002","document":"form4-02252026_120200.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000148259626000002/form4-02252026_120200.xml","form_type":"4"}},{"id":884989,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":48912,"kind":"person","name":"Paracchini Alberto J","position":1,"cik":"0001482596","reported_name":"Paracchini Alberto J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Common stock","published_at":"2026-02-25T00:41:03.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":11303,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":192405,"source":{"system":"sec-edgar","filing":"0001482596-26-000002","document":"form4-02252026_120200.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000148259626000002/form4-02252026_120200.xml","form_type":"4"}},{"id":884988,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:40:20.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":9898,"price":33.13,"value":327920.74,"ownership":{"direct":true},"balance_after":431393,"source":{"system":"sec-edgar","filing":"0001214993-26-000002","document":"form4-02252026_120214.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000121499326000002/form4-02252026_120214.xml","form_type":"4"}},{"id":884987,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:40:20.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":29870,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":441291,"source":{"system":"sec-edgar","filing":"0001214993-26-000002","document":"form4-02252026_120214.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000121499326000002/form4-02252026_120214.xml","form_type":"4"}},{"id":884986,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:40:20.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":7289,"price":33.13,"value":241484.57,"ownership":{"direct":true},"balance_after":411421,"source":{"system":"sec-edgar","filing":"0001214993-26-000002","document":"form4-02252026_120214.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000121499326000002/form4-02252026_120214.xml","form_type":"4"}},{"id":884985,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:40:20.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":24809,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":418710,"source":{"system":"sec-edgar","filing":"0001214993-26-000002","document":"form4-02252026_120214.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000121499326000002/form4-02252026_120214.xml","form_type":"4"}},{"id":884984,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24125,"kind":"person","name":"Rose Dana","position":1,"cik":"0001858291","reported_name":"Rose Dana","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF HUMAN RESOURCES OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:16:15.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":855,"price":33.13,"value":28326.15,"ownership":{"direct":true},"balance_after":14026,"source":{"system":"sec-edgar","filing":"0001858291-26-000002","document":"form4-02252026_120211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185829126000002/form4-02252026_120211.xml","form_type":"4"}},{"id":884983,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24125,"kind":"person","name":"Rose Dana","position":1,"cik":"0001858291","reported_name":"Rose Dana","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF HUMAN RESOURCES OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:16:15.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2537,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":14881,"source":{"system":"sec-edgar","filing":"0001858291-26-000002","document":"form4-02252026_120211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185829126000002/form4-02252026_120211.xml","form_type":"4"}},{"id":884982,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24125,"kind":"person","name":"Rose Dana","position":1,"cik":"0001858291","reported_name":"Rose Dana","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF HUMAN RESOURCES OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:16:15.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1139,"price":33.13,"value":37735.07,"ownership":{"direct":true},"balance_after":12344,"source":{"system":"sec-edgar","filing":"0001858291-26-000002","document":"form4-02252026_120211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185829126000002/form4-02252026_120211.xml","form_type":"4"}},{"id":884981,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24125,"kind":"person","name":"Rose Dana","position":1,"cik":"0001858291","reported_name":"Rose Dana","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF HUMAN RESOURCES OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:16:15.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":3291,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":13483,"source":{"system":"sec-edgar","filing":"0001858291-26-000002","document":"form4-02252026_120211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185829126000002/form4-02252026_120211.xml","form_type":"4"}},{"id":884980,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64951,"kind":"person","name":"JOHNSON MICHELLE LYNN","position":1,"cik":"0001789948","reported_name":"JOHNSON MICHELLE LYNN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF RISK OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:14:51.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":637,"price":33.13,"value":21103.81,"ownership":{"direct":true},"balance_after":11058,"source":{"system":"sec-edgar","filing":"0001789948-26-000002","document":"form4-02252026_120247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000178994826000002/form4-02252026_120247.xml","form_type":"4"}},{"id":884979,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64951,"kind":"person","name":"JOHNSON MICHELLE LYNN","position":1,"cik":"0001789948","reported_name":"JOHNSON MICHELLE LYNN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF RISK OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:14:51.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2065,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":11695,"source":{"system":"sec-edgar","filing":"0001789948-26-000002","document":"form4-02252026_120247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000178994826000002/form4-02252026_120247.xml","form_type":"4"}},{"id":884978,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64951,"kind":"person","name":"JOHNSON MICHELLE LYNN","position":1,"cik":"0001789948","reported_name":"JOHNSON MICHELLE LYNN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF RISK OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:14:51.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":702,"price":33.13,"value":23257.26,"ownership":{"direct":true},"balance_after":9630,"source":{"system":"sec-edgar","filing":"0001789948-26-000002","document":"form4-02252026_120247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000178994826000002/form4-02252026_120247.xml","form_type":"4"}},{"id":884977,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64951,"kind":"person","name":"JOHNSON MICHELLE LYNN","position":1,"cik":"0001789948","reported_name":"JOHNSON MICHELLE LYNN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF RISK OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:14:51.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2367,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":10332,"source":{"system":"sec-edgar","filing":"0001789948-26-000002","document":"form4-02252026_120247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000178994826000002/form4-02252026_120247.xml","form_type":"4"}},{"id":884972,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:13:47.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":678,"price":33.13,"value":22462.14,"ownership":{"direct":true},"balance_after":34638,"source":{"system":"sec-edgar","filing":"0001709994-26-000002","document":"form4-02252026_120243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000170999426000002/form4-02252026_120243.xml","form_type":"4"}},{"id":884971,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:13:47.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":1916,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":35316,"source":{"system":"sec-edgar","filing":"0001709994-26-000002","document":"form4-02252026_120243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000170999426000002/form4-02252026_120243.xml","form_type":"4"}},{"id":884970,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:13:47.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":772,"price":33.13,"value":25576.36,"ownership":{"direct":true},"balance_after":33400,"source":{"system":"sec-edgar","filing":"0001709994-26-000002","document":"form4-02252026_120243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000170999426000002/form4-02252026_120243.xml","form_type":"4"}},{"id":884969,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:13:47.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2231,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":34172,"source":{"system":"sec-edgar","filing":"0001709994-26-000002","document":"form4-02252026_120243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000170999426000002/form4-02252026_120243.xml","form_type":"4"}},{"id":884976,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":63954,"kind":"person","name":"Barkidjija John","position":1,"cik":"0001464380","reported_name":"Barkidjija John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF CRE & SPECIALTY FIN"}}],"security":"Common stock","published_at":"2026-02-25T00:12:36.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":838,"price":33.13,"value":27762.94,"ownership":{"direct":true},"balance_after":23752,"source":{"system":"sec-edgar","filing":"0001464380-26-000002","document":"form4-02252026_120232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000146438026000002/form4-02252026_120232.xml","form_type":"4"}},{"id":884975,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":63954,"kind":"person","name":"Barkidjija John","position":1,"cik":"0001464380","reported_name":"Barkidjija John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF CRE & SPECIALTY FIN"}}],"security":"Common stock","published_at":"2026-02-25T00:12:36.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2234,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":24590,"source":{"system":"sec-edgar","filing":"0001464380-26-000002","document":"form4-02252026_120232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000146438026000002/form4-02252026_120232.xml","form_type":"4"}},{"id":884974,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":63954,"kind":"person","name":"Barkidjija John","position":1,"cik":"0001464380","reported_name":"Barkidjija John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF CRE & SPECIALTY FIN"}}],"security":"Common stock","published_at":"2026-02-25T00:12:36.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1311,"price":33.13,"value":43433.43,"ownership":{"direct":true},"balance_after":22356,"source":{"system":"sec-edgar","filing":"0001464380-26-000002","document":"form4-02252026_120232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000146438026000002/form4-02252026_120232.xml","form_type":"4"}},{"id":884973,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":63954,"kind":"person","name":"Barkidjija John","position":1,"cik":"0001464380","reported_name":"Barkidjija John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF CRE & SPECIALTY FIN"}}],"security":"Common stock","published_at":"2026-02-25T00:12:36.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":3789,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":23667,"source":{"system":"sec-edgar","filing":"0001464380-26-000002","document":"form4-02252026_120232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000146438026000002/form4-02252026_120232.xml","form_type":"4"}},{"id":884968,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:11:15.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":858,"price":33.13,"value":28425.54,"ownership":{"direct":true},"balance_after":25859,"source":{"system":"sec-edgar","filing":"0001368185-26-000002","document":"form4-02252026_120212.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000002/form4-02252026_120212.xml","form_type":"4"}},{"id":884967,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:11:15.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2415,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":26717,"source":{"system":"sec-edgar","filing":"0001368185-26-000002","document":"form4-02252026_120212.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000002/form4-02252026_120212.xml","form_type":"4"}},{"id":884966,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:11:15.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1338,"price":33.13,"value":44327.94,"ownership":{"direct":true},"balance_after":24302,"source":{"system":"sec-edgar","filing":"0001368185-26-000002","document":"form4-02252026_120212.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000002/form4-02252026_120212.xml","form_type":"4"}},{"id":884965,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2026-02-25T00:11:15.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":3866,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":25640,"source":{"system":"sec-edgar","filing":"0001368185-26-000002","document":"form4-02252026_120212.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000136818526000002/form4-02252026_120212.xml","form_type":"4"}},{"id":884964,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:08:49.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":2328,"price":33.13,"value":77126.64,"ownership":{"direct":true},"balance_after":57374,"source":{"system":"sec-edgar","filing":"0001451652-26-000002","document":"form4-02252026_120245.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000145165226000002/form4-02252026_120245.xml","form_type":"4"}},{"id":884963,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:08:49.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":5547,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":59702,"source":{"system":"sec-edgar","filing":"0001451652-26-000002","document":"form4-02252026_120245.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000145165226000002/form4-02252026_120245.xml","form_type":"4"}},{"id":884962,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:08:49.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":2731,"price":33.13,"value":90478.03,"ownership":{"direct":true},"balance_after":54155,"source":{"system":"sec-edgar","filing":"0001451652-26-000002","document":"form4-02252026_120245.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000145165226000002/form4-02252026_120245.xml","form_type":"4"}},{"id":884961,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2026-02-25T00:08:49.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":5849,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":56886,"source":{"system":"sec-edgar","filing":"0001451652-26-000002","document":"form4-02252026_120245.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000145165226000002/form4-02252026_120245.xml","form_type":"4"}},{"id":886594,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":65062,"kind":"person","name":"Fucinato Mark","position":1,"cik":"0001819512","reported_name":"Fucinato Mark","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF CREDIT OFFICER"}}],"security":"Common stock","published_at":"2026-02-24T19:42:33.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":934,"price":33.13,"value":30943.42,"ownership":{"direct":true},"balance_after":24689,"source":{"system":"sec-edgar","filing":"0001819512-26-000002","document":"form4-02252026_120229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1819512/000181951226000002/form4-02252026_120229.xml","form_type":"4"}},{"id":886593,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":65062,"kind":"person","name":"Fucinato Mark","position":1,"cik":"0001819512","reported_name":"Fucinato Mark","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF CREDIT OFFICER"}}],"security":"Common stock","published_at":"2026-02-24T19:42:33.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2293,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":25623,"source":{"system":"sec-edgar","filing":"0001819512-26-000002","document":"form4-02252026_120229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819512/000181951226000002/form4-02252026_120229.xml","form_type":"4"}},{"id":886592,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":65062,"kind":"person","name":"Fucinato Mark","position":1,"cik":"0001819512","reported_name":"Fucinato Mark","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF CREDIT OFFICER"}}],"security":"Common stock","published_at":"2026-02-24T19:42:33.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1419,"price":33.13,"value":47011.47,"ownership":{"direct":true},"balance_after":23330,"source":{"system":"sec-edgar","filing":"0001819512-26-000002","document":"form4-02252026_120229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819512/000181951226000002/form4-02252026_120229.xml","form_type":"4"}},{"id":886591,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":65062,"kind":"person","name":"Fucinato Mark","position":1,"cik":"0001819512","reported_name":"Fucinato Mark","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF CREDIT OFFICER"}}],"security":"Common stock","published_at":"2026-02-24T19:42:33.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":3948,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant."}],"balance_after":24749,"source":{"system":"sec-edgar","filing":"0001819512-26-000002","document":"form4-02252026_120229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819512/000181951226000002/form4-02252026_120229.xml","form_type":"4"}},{"id":884960,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64948,"kind":"person","name":"Doran Brian F","position":1,"cik":"0001984620","reported_name":"Doran Brian F","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2026-02-24T19:07:56.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":1783,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":2533,"source":{"system":"sec-edgar","filing":"0001984620-26-000004","document":"form4-02242026_070253.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000198462026000004/form4-02242026_070253.xml","form_type":"4"}},{"id":884959,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64947,"kind":"person","name":"Olano Maria Sherylle A","position":1,"cik":"0001943366","reported_name":"Olano Maria Sherylle A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CHIEF ACCOUNTING OFFICER"}}],"security":"Common stock","published_at":"2026-02-24T19:04:15.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1032,"price":33.13,"value":34190.16,"ownership":{"direct":true},"balance_after":18768,"source":{"system":"sec-edgar","filing":"0001943366-26-000002","document":"form4-02242026_070211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000194336626000002/form4-02242026_070211.xml","form_type":"4"}},{"id":884958,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64947,"kind":"person","name":"Olano Maria Sherylle A","position":1,"cik":"0001943366","reported_name":"Olano Maria Sherylle A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CHIEF ACCOUNTING OFFICER"}}],"security":"Common stock","published_at":"2026-02-24T19:04:15.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":2378,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":19800,"source":{"system":"sec-edgar","filing":"0001943366-26-000002","document":"form4-02242026_070211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000194336626000002/form4-02242026_070211.xml","form_type":"4"}},{"id":885081,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":51947,"kind":"person","name":"ABRAHAM THOMAS","position":1,"cik":"0001779917","reported_name":"ABRAHAM THOMAS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT, SBC"}}],"security":"Comon stock","published_at":"2026-02-24T19:00:56.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":2843,"price":33.13,"value":94188.59,"ownership":{"direct":true},"balance_after":43133,"source":{"system":"sec-edgar","filing":"0001779917-26-000002","document":"form4-02242026_070252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1779917/000177991726000002/form4-02242026_070252.xml","form_type":"4"}},{"id":885080,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":51947,"kind":"person","name":"ABRAHAM THOMAS","position":1,"cik":"0001779917","reported_name":"ABRAHAM THOMAS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT, SBC"}}],"security":"Comon stock","published_at":"2026-02-24T19:00:56.000Z","date":"2026-02-22","kind":"grant","planned":false,"acquired":true,"shares":7094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer."}],"balance_after":45976,"source":{"system":"sec-edgar","filing":"0001779917-26-000002","document":"form4-02242026_070252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1779917/000177991726000002/form4-02242026_070252.xml","form_type":"4"}},{"id":901082,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64948,"kind":"person","name":"Doran Brian F","position":1,"cik":"0001984620","reported_name":"Doran Brian F","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2026-02-17T19:55:03.000Z","date":"2026-02-17","kind":"purchase","planned":false,"acquired":true,"shares":750,"price":33.1299,"value":24847.425,"ownership":{"direct":true},"balance_after":750,"source":{"system":"sec-edgar","filing":"0001984620-26-000002","document":"form4-02172026_070259.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000198462026000002/form4-02172026_070259.xml","form_type":"4"}},{"id":927908,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":68511,"kind":"person","name":"CABRERA PHILLIP R.","position":1,"cik":"0001709906","reported_name":"CABRERA PHILLIP R.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-01-29T15:33:05.000Z","date":"2026-01-28","kind":"purchase","planned":false,"acquired":true,"shares":169,"price":31.03,"value":5244.07,"ownership":{"direct":false,"nature":"By Phillip R. Cabrera Revocable Trust"},"balance_after":4129,"source":{"system":"sec-edgar","filing":"0001709906-26-000002","document":"form4-01292026_030101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000170990626000002/form4-01292026_030101.xml","form_type":"4"}},{"id":974485,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21240,"kind":"person","name":"HERSETH MARY JO S.","position":1,"cik":"0001772766","reported_name":"HERSETH MARY JO S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2025-12-10T21:05:06.000Z","date":"2025-12-10","kind":"other","planned":false,"acquired":true,"shares":18500,"ownership":{"direct":false,"nature":"The Herseth Family Revocable Trust Dated 12/02/25"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Transfer to The Herseth Family Revocable Trust Dated 12/02/25 for estate planning purposes."}],"balance_after":18500,"source":{"system":"sec-edgar","filing":"0001772766-25-000005","document":"form4-12102025_041201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000177276625000005/form4-12102025_041201.xml","form_type":"4"}},{"id":974484,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21240,"kind":"person","name":"HERSETH MARY JO S.","position":1,"cik":"0001772766","reported_name":"HERSETH MARY JO S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2025-12-10T21:05:06.000Z","date":"2025-12-10","kind":"other","planned":false,"acquired":false,"shares":18500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Transfer to The Herseth Family Revocable Trust Dated 12/02/25 for estate planning purposes."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001772766-25-000005","document":"form4-12102025_041201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000177276625000005/form4-12102025_041201.xml","form_type":"4"}},{"id":1012075,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":51947,"kind":"person","name":"ABRAHAM THOMAS","position":1,"cik":"0001779917","reported_name":"ABRAHAM THOMAS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT, SBC"}}],"security":"Comon stock","published_at":"2025-10-29T21:45:31.000Z","date":"2025-10-28","kind":"sale","planned":false,"acquired":false,"shares":20000,"price":26.8715,"value":537430.0,"ownership":{"direct":true},"balance_after":38882,"source":{"system":"sec-edgar","filing":"0001779917-25-000005","document":"form4-10292025_091027.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1779917/000177991725000005/form4-10292025_091027.xml","form_type":"4"}},{"id":1012074,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":51947,"kind":"person","name":"ABRAHAM THOMAS","position":1,"cik":"0001779917","reported_name":"ABRAHAM THOMAS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT, SBC"}}],"security":"Comon stock","published_at":"2025-10-29T21:45:31.000Z","date":"2025-10-28","kind":"sale","planned":false,"acquired":false,"shares":3400,"price":26.9755,"value":91716.7,"ownership":{"direct":true},"balance_after":58882,"source":{"system":"sec-edgar","filing":"0001779917-25-000005","document":"form4-10292025_091027.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1779917/000177991725000005/form4-10292025_091027.xml","form_type":"4"}},{"id":1012595,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21249,"kind":"person","name":"KISTNER WILLIAM G","position":1,"cik":"0001739310","reported_name":"KISTNER WILLIAM G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2025-10-28T21:15:24.000Z","date":"2025-10-28","kind":"purchase","planned":false,"acquired":true,"shares":65,"price":27.5575,"value":1791.2375,"ownership":{"direct":false,"nature":"William G. Kistner Trust Date June 22, 1973"},"balance_after":14089,"source":{"system":"sec-edgar","filing":"0001739310-25-000004","document":"form4-10282025_091020.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1739310/000173931025000004/form4-10282025_091020.xml","form_type":"4"}},{"id":1040544,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24125,"kind":"person","name":"Rose Dana","position":1,"cik":"0001858291","reported_name":"Rose Dana","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF HUMAN RESOURCES OFFICER"}}],"security":"Common stock","published_at":"2025-09-15T21:29:24.000Z","date":"2025-09-12","kind":"sale","planned":false,"acquired":false,"shares":1999,"price":28.7601,"value":57491.4399,"ownership":{"direct":true},"balance_after":10192,"source":{"system":"sec-edgar","filing":"0001858291-25-000005","document":"form4-09152025_090920.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000185829125000005/form4-09152025_090920.xml","form_type":"4"}},{"id":1051472,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64947,"kind":"person","name":"Olano Maria Sherylle A","position":1,"cik":"0001943366","reported_name":"Olano Maria Sherylle A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CHIEF ACCOUNTING OFFICER"}}],"security":"Common stock","published_at":"2025-09-02T15:49:31.000Z","date":"2025-07-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":217,"price":27.32,"value":5928.44,"ownership":{"direct":true},"balance_after":17143,"source":{"system":"sec-edgar","filing":"0001415889-25-023353","document":"form4-09022025_030928.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925023353/form4-09022025_030928.xml","form_type":"4"}},{"id":1052921,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Stock Option","published_at":"2025-08-29T14:15:58.000Z","date":"2025-08-28","kind":"exercise","planned":false,"acquired":false,"shares":11812,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":9450,"derivative":{"exercise_price":11.65,"exercise_date":"2018-05-31","expiration_date":"2025-12-15","underlying":"Common stock","underlying_shares":11812},"source":{"system":"sec-edgar","filing":"0001415889-25-023272","document":"form4-08292025_020854.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925023272/form4-08292025_020854.xml","form_type":"4"}},{"id":1052920,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2025-08-29T14:15:58.000Z","date":"2025-08-28","kind":"sale","planned":false,"acquired":false,"shares":11812,"price":29.1,"value":343729.2,"ownership":{"direct":true},"balance_after":21774,"source":{"system":"sec-edgar","filing":"0001415889-25-023272","document":"form4-08292025_020854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925023272/form4-08292025_020854.xml","form_type":"4"}},{"id":1052919,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":26651,"kind":"person","name":"Ptacin Brogan","position":1,"cik":"0001368185","reported_name":"Ptacin Brogan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"HEAD OF COMMERCIAL BANKING"}}],"security":"Common stock","published_at":"2025-08-29T14:15:58.000Z","date":"2025-08-28","kind":"exercise","planned":false,"acquired":true,"shares":11812,"price":11.65,"value":137609.8,"ownership":{"direct":true},"balance_after":33586,"source":{"system":"sec-edgar","filing":"0001415889-25-023272","document":"form4-08292025_020854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925023272/form4-08292025_020854.xml","form_type":"4"}},{"id":1070292,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21249,"kind":"person","name":"KISTNER WILLIAM G","position":1,"cik":"0001739310","reported_name":"KISTNER WILLIAM G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2025-08-11T15:43:59.000Z","date":"2025-08-08","kind":"purchase","planned":false,"acquired":true,"shares":60,"price":25.705,"value":1542.3,"ownership":{"direct":false,"nature":"William G. Kistner Trust Date June 22, 1973"},"balance_after":14024,"source":{"system":"sec-edgar","filing":"0001415889-25-021390","document":"form4-08112025_030855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1739310/000141588925021390/form4-08112025_030855.xml","form_type":"4"}},{"id":1102679,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Stock Option","published_at":"2025-06-24T20:20:58.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":false,"shares":107247,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":107247},"source":{"system":"sec-edgar","filing":"0001415889-25-018070","document":"form4-06242025_080655.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018070/form4-06242025_080655.xml","form_type":"4"}},{"id":1102678,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Stock Option","published_at":"2025-06-24T20:20:58.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":false,"shares":107247,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":107247,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":107247},"source":{"system":"sec-edgar","filing":"0001415889-25-018070","document":"form4-06242025_080655.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018070/form4-06242025_080655.xml","form_type":"4"}},{"id":1102677,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:20:58.000Z","date":"2025-06-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":73681,"price":25.52,"value":1880339.12,"ownership":{"direct":true},"balance_after":393901,"source":{"system":"sec-edgar","filing":"0001415889-25-018070","document":"form4-06242025_080655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018070/form4-06242025_080655.xml","form_type":"4"}},{"id":1102676,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:20:58.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":true,"shares":107247,"price":11.18,"value":1199021.46,"ownership":{"direct":true},"balance_after":467582,"source":{"system":"sec-edgar","filing":"0001415889-25-018070","document":"form4-06242025_080655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018070/form4-06242025_080655.xml","form_type":"4"}},{"id":1102675,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:20:58.000Z","date":"2025-06-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":73681,"price":25.52,"value":1880339.12,"ownership":{"direct":true},"balance_after":360335,"source":{"system":"sec-edgar","filing":"0001415889-25-018070","document":"form4-06242025_080655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018070/form4-06242025_080655.xml","form_type":"4"}},{"id":1102674,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:20:58.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":true,"shares":107247,"price":11.18,"value":1199021.46,"ownership":{"direct":true},"balance_after":434016,"source":{"system":"sec-edgar","filing":"0001415889-25-018070","document":"form4-06242025_080655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018070/form4-06242025_080655.xml","form_type":"4"}},{"id":1102668,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Stock Option","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":false,"shares":14624,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":14624},"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102667,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Stock Option","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":false,"shares":14624,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Stock Option"}],"balance_after":14624,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":14624},"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102666,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Stock Option","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":false,"shares":14249,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":29248,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":14249},"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102665,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":9883,"price":25.52,"value":252214.16,"ownership":{"direct":true},"balance_after":51037,"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102664,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":true,"shares":14624,"price":11.18,"value":163496.32,"ownership":{"direct":true},"balance_after":60920,"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102663,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":9883,"price":25.52,"value":252214.16,"ownership":{"direct":true},"balance_after":46296,"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102662,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":true,"shares":14624,"price":11.18,"value":163496.32,"ownership":{"direct":true},"balance_after":56179,"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102661,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":9630,"price":25.52,"value":245757.6,"ownership":{"direct":true},"balance_after":41555,"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1102660,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64949,"kind":"person","name":"Bell Thomas J III","position":1,"cik":"0001451652","reported_name":"Bell Thomas J III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP CHIEF FINANCIAL OFFICER"}}],"security":"Common stock","published_at":"2025-06-24T20:14:11.000Z","date":"2025-06-23","kind":"exercise","planned":false,"acquired":true,"shares":14249,"price":11.18,"value":159303.82,"ownership":{"direct":true},"balance_after":51185,"source":{"system":"sec-edgar","filing":"0001415889-25-018050","document":"form4-06242025_080607.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925018050/form4-06242025_080607.xml","form_type":"4"}},{"id":1103853,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Stock Option","published_at":"2025-06-23T16:56:22.000Z","date":"2025-06-20","kind":"exercise","planned":false,"acquired":false,"shares":12187,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":12187},"source":{"system":"sec-edgar","filing":"0001415889-25-017942","document":"form4-06232025_040619.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017942/form4-06232025_040619.xml","form_type":"4"}},{"id":1103852,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Stock Option","published_at":"2025-06-23T16:56:22.000Z","date":"2025-06-20","kind":"exercise","planned":false,"acquired":false,"shares":24374,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":12187,"derivative":{"exercise_price":11.18,"exercise_date":"2018-06-28","expiration_date":"2025-06-26","underlying":"Common Stock","underlying_shares":24374},"source":{"system":"sec-edgar","filing":"0001415889-25-017942","document":"form4-06232025_040619.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017942/form4-06232025_040619.xml","form_type":"4"}},{"id":1103851,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2025-06-23T16:56:22.000Z","date":"2025-06-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":7417,"price":25.05,"value":185795.85,"ownership":{"direct":true},"balance_after":31941,"source":{"system":"sec-edgar","filing":"0001415889-25-017942","document":"form4-06232025_040619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017942/form4-06232025_040619.xml","form_type":"4"}},{"id":1103850,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2025-06-23T16:56:22.000Z","date":"2025-06-20","kind":"exercise","planned":false,"acquired":true,"shares":12187,"price":11.18,"value":136250.66,"ownership":{"direct":true},"balance_after":39358,"source":{"system":"sec-edgar","filing":"0001415889-25-017942","document":"form4-06232025_040619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017942/form4-06232025_040619.xml","form_type":"4"}},{"id":1103849,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2025-06-23T16:56:22.000Z","date":"2025-06-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":14833,"price":25.05,"value":371566.65,"ownership":{"direct":true},"balance_after":27171,"source":{"system":"sec-edgar","filing":"0001415889-25-017942","document":"form4-06232025_040619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017942/form4-06232025_040619.xml","form_type":"4"}},{"id":1103848,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":64950,"kind":"person","name":"BIGGAM MEGAN","position":1,"cik":"0001709994","reported_name":"BIGGAM MEGAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP HEAD OF COMMUNITY BANKING"}}],"security":"Common stock","published_at":"2025-06-23T16:56:22.000Z","date":"2025-06-20","kind":"exercise","planned":false,"acquired":true,"shares":24374,"price":11.18,"value":272501.32,"ownership":{"direct":true},"balance_after":42004,"source":{"system":"sec-edgar","filing":"0001415889-25-017942","document":"form4-06232025_040619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017942/form4-06232025_040619.xml","form_type":"4"}},{"id":1111722,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21240,"kind":"person","name":"HERSETH MARY JO S.","position":1,"cik":"0001772766","reported_name":"HERSETH MARY JO S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2025-06-13T19:33:09.000Z","date":"2025-06-13","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":25.3269,"value":50653.8,"ownership":{"direct":true},"balance_after":18500,"source":{"system":"sec-edgar","filing":"0001415889-25-017160","document":"form4-06132025_070606.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017160/form4-06132025_070606.xml","form_type":"4"}},{"id":1111721,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":10172,"kind":"person","name":"HERENCIA ROBERTO  R","position":1,"cik":"0001214993","reported_name":"HERENCIA ROBERTO  R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common stock","published_at":"2025-06-13T19:15:19.000Z","date":"2025-06-11","kind":"purchase","planned":false,"acquired":true,"shares":4040,"price":24.75,"value":99990.0,"ownership":{"direct":true},"balance_after":326769,"source":{"system":"sec-edgar","filing":"0001415889-25-017157","document":"form4-06132025_070616.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017157/form4-06132025_070616.xml","form_type":"4"}},{"id":1111720,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":24619,"kind":"person","name":"DEL VALLE PEROCHENA ANTONIO","position":1,"cik":"0001709907","reported_name":"DEL VALLE PEROCHENA ANTONIO","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common stock","published_at":"2025-06-13T19:12:04.000Z","date":"2025-06-11","kind":"purchase","planned":false,"acquired":true,"shares":40808,"price":24.75,"value":1009998.0,"ownership":{"direct":true},"balance_after":40808,"source":{"system":"sec-edgar","filing":"0001415889-25-017155","document":"form4-06132025_070600.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017155/form4-06132025_070600.xml","form_type":"4"}},{"id":1111719,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":78512,"kind":"person","name":"KENT STEVEN P.","position":1,"cik":"0001780074","reported_name":"KENT STEVEN P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-13T19:09:58.000Z","date":"2025-06-11","kind":"purchase","planned":false,"acquired":true,"shares":4125,"price":24.75,"value":102093.75,"ownership":{"direct":false,"nature":"Steven P. Kent TTEE Steven P. Kent Trust U/A DTD 6/29/2012"},"balance_after":71750,"source":{"system":"sec-edgar","filing":"0001415889-25-017151","document":"form4-06132025_070654.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702750/000141588925017151/form4-06132025_070654.xml","form_type":"4"}},{"id":1111755,"issuer":{"id":4620,"kind":"organization","name":"BYLINE BANCORP, INC."},"owners":[{"id":21249,"kind":"person","name":"KISTNER WILLIAM G","position":1,"cik":"0001739310","reported_name":"KISTNER WILLIAM G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2025-06-13T17:02:22.000Z","date":"2025-06-13","kind":"purchase","planned":false,"acquired":true,"shares":164,"price":25.285,"value":4146.74,"ownership":{"direct":false,"nature":"William G. Kistner Trust Date June 22, 1973"},"balance_after":13964,"source":{"system":"sec-edgar","filing":"0001415889-25-017113","document":"form4-06132025_050619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1739310/000141588925017113/form4-06132025_050619.xml","form_type":"4"}}],"next_cursor":"2025-06-13T17:02:22.000000Z,1111755"}