William G. Kistner Acquires Additional Shares in Byline Bancorp, Inc.

On October 28, 2025, William G. Kistner, a director of Byline Bancorp, Inc., acquired 65 additional shares of common stock at a price of $27.5575 per share. Following this transaction, Kistner's total ownership in the company increased to 14,089 shares. The shares were acquired indirectly through the William G. Kistner Trust dated June 22, 1973. This filing highlights Kistner's continued investment in Byline Bancorp, Inc., reflecting his confidence in the company's future prospects.