SEC Filing Summary for BYLINE BANCORP, INC.

Carlos Ruiz Sacristan, a director at BYLINE BANCORP, INC., acquired 1533 shares of Common Stock on June 8, 2026. These shares are expected to vest on June 1, 2027, contingent upon continued service, as part of the Company's Director Compensation Program. Following this transaction, Sacristan directly owns 13533 shares. Additionally, he has indirect ownership of 32831 shares held by Tenedora Jacaru, S.A. de C.V. The acquisition price was reported as $0.0 per share. This transaction is reported on Form 4.