Filing summary
Company: Byline Bancorp, Inc. Filing: Form 8-K dated October 8, 2026. This filing reports executive leadership changes; it does not provide financial results for a reporting period.
Leadership changes
- Brogan M. Ptacin, Executive Vice President and Head of Commercial Banking, gave notice of retirement effective December 31, 2026. He is expected to continue with Byline Bank in a part-time advisory role for a period to be determined.
- Sean H. McGuire, currently Commercial Banking Group Head, was appointed to the newly created Chief Commercial Banking Officer position, effective January 1, 2027.
- Mark Fucinato, Executive Vice President and Chief Credit Officer, gave notice of retirement effective December 31, 2026. He is expected to continue with the Bank in a part-time advisory role for a period to be determined.
- Scott Hawthorne, currently Deputy Chief Credit Officer, was appointed to succeed Fucinato as Chief Credit Officer, effective January 1, 2027.
Financial information and outlook
The filing contains no revenue, profit, cash flow, margin, debt, liquidity, or other operating metrics, and provides no guidance, outlook, or quantified financial impact from these changes. Compensation terms for the appointments are not stated in the provided filing text.
Other disclosures and investor points to verify
- The filing states that McGuire and Hawthorne have no reportable family relationships, appointment arrangements with other persons, or material interests in transactions reportable under Item 404(a) of Regulation S-K.
- Verify the transition and succession arrangements take effect as scheduled on December 31, 2026 and January 1, 2027.
- Review the referenced October 8, 2026 press release and any subsequent filings for additional transition, compensation, or financial-impact details.