Byline Bancorp Q3 net income rises 12.3% to $41.8M; announces $609.6M Illinois State Bancorp acquisition

Filed November 6, 2026 · Period ending September 30, 2026 · Compared to 10-Q Nov 7, 2025 · ~1 min read

Key Changes

• high

  Net income rose 12.3% to $41.8M, or $0.94 per diluted share, driven by higher net interest income and lower credit costs.

  MD&A: Results verify on EDGAR →
• high

  Announced acquisition of Illinois State Bancorp for $609.6M in assets, $477.6M in loans, and $500.2M in deposits; expected to close Q1 2027.

  MD&A: Acquisition verify on EDGAR →
• medium

  New 2026 stock repurchase program authorized for 2.25M shares; $39.0M spent in first nine months, including $11.7M related-party purchase from largest shareholder.

  Notes: Equity view on EDGAR →