{"cik":"0001702750","ticker":"BY","name":"BYLINE BANCORP, INC.","sic_code":"6022","sic_description":"State Commercial Banks","exchange":"NYSE","state_of_incorporation":"DE","fiscal_year_end":null,"first_filing_date":"2026-06-03","last_filing_date":"2026-08-11","url":"/sec/cik-0001702750","insider_summary":{"total_transactions":10,"unique_insiders":7,"latest_transaction":"2026-08-13"},"recent_filings":[{"accession_number":"0001193125-26-418064","form_type":"8-K","form_type_family":"current","doc_date":"2026-10-08","title":"8-K — BYLINE BANCORP, INC. — 2026-10-08","url_slug":"/sec/cik-0001702750/8-k/0001193125-26-418064","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001193125-26-418064-index.html"},{"accession_number":"0001193125-26-415585","form_type":"8-K","form_type_family":"current","doc_date":"2026-10-06","title":"8-K — BYLINE BANCORP, INC. — 2026-10-06","url_slug":"/sec/cik-0001702750/8-k/0001193125-26-415585","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001193125-26-415585-index.html"},{"accession_number":"0001772766-26-000004","form_type":"4","form_type_family":"insider","doc_date":"2026-08-20","title":"4 — BYLINE BANCORP, INC. — 2026-08-20","url_slug":"/sec/cik-0001702750/4/0001772766-26-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001772766-26-000004-index.html"},{"accession_number":"0001739310-26-000004","form_type":"4","form_type_family":"insider","doc_date":"2026-08-20","title":"4 — BYLINE BANCORP, INC. — 2026-08-20","url_slug":"/sec/cik-0001702750/4/0001739310-26-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001739310-26-000004-index.html"},{"accession_number":"0001710094-26-000004","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-08-17","title":"SCHEDULE 13G/A — BYLINE BANCORP, INC. — 2026-08-17","url_slug":"/sec/cik-0001702750/schedule-13g-a/0001710094-26-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001710094-26-000004-index.html"},{"accession_number":"0001858291-26-000004","form_type":"4","form_type_family":"insider","doc_date":"2026-08-12","title":"4 — BYLINE BANCORP, INC. — 2026-08-12","url_slug":"/sec/cik-0001702750/4/0001858291-26-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001858291-26-000004-index.html"},{"accession_number":"0001628280-26-056034","form_type":"144","form_type_family":"other","doc_date":"2026-08-12","title":"144 — BYLINE BANCORP, INC. — 2026-08-12","url_slug":"/sec/cik-0001702750/144/0001628280-26-056034","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001628280-26-056034-index.html"},{"accession_number":"0001710094-26-000002","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — BYLINE BANCORP, INC. — 2026-08-11","url_slug":"/sec/cik-0001702750/4/0001710094-26-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001710094-26-000002-index.html"},{"accession_number":"0001709907-26-000002","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — BYLINE BANCORP, INC. — 2026-08-11","url_slug":"/sec/cik-0001702750/4/0001709907-26-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001709907-26-000002-index.html"},{"accession_number":"0001193125-26-337960","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-08-06","title":"10-Q — BYLINE BANCORP, INC. — 2026-08-06","url_slug":"/sec/cik-0001702750/10-q/0001193125-26-337960","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001193125-26-337960-index.html"},{"accession_number":"0001193125-26-314126","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-23","title":"8-K — BYLINE BANCORP, INC. — 2026-07-23","url_slug":"/sec/cik-0001702750/8-k/0001193125-26-314126","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001193125-26-314126-index.html"},{"accession_number":"0001925724-26-000004","form_type":"4","form_type_family":"insider","doc_date":"2026-06-10","title":"4 — BYLINE BANCORP, INC. — 2026-06-10","url_slug":"/sec/cik-0001702750/4/0001925724-26-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001925724-26-000004-index.html"},{"accession_number":"0001193125-26-255801","form_type":"S-8","form_type_family":"other","doc_date":"2026-06-03","title":"S-8 — BYLINE BANCORP, INC. — 2026-06-03","url_slug":"/sec/cik-0001702750/s-8/0001193125-26-255801","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001193125-26-255801-index.html"},{"accession_number":"0001193125-26-254620","form_type":"8-K","form_type_family":"current","doc_date":"2026-06-03","title":"8-K — BYLINE BANCORP, INC. — 2026-06-03","url_slug":"/sec/cik-0001702750/8-k/0001193125-26-254620","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001193125-26-254620-index.html"},{"accession_number":"0001925724-26-000002","form_type":"4","form_type_family":"insider","doc_date":"2026-06-03","title":"4 — BYLINE BANCORP, INC. — 2026-06-03","url_slug":"/sec/cik-0001702750/4/0001925724-26-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/1702750/0001925724-26-000002-index.html"}],"related_endpoints":{"profile":"/sec/BY/profile","timeline":"/sec/BY/timeline","peers":"/sec/BY/peers","insider_pulse":"/sec/BY/insider-pulse","insider_summary":"/sec/BY/insider-summary","insider_transactions":"/sec/BY/insider-transactions","form144":"/sec/BY/form144","holdings_as_filer":"/sec/BY/holdings","financial_facts":"/sec/BY/financial-facts","derivatives":"/sec/BY/derivatives","officers":"/sec/BY/officers","insider_network":"/sec/BY/insider-network","risk_flags":"/sec/BY/risk-flags","filings":"/sec/BY/filings","cross_topic_dossier":"/api/v1/dossier?ticker=BY"}}