BYLINE BANCORP, INC. (BY): Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
BYLINE BANCORP, INC. (BY) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. Exhibit 99.1 Byline Bancorp, Inc. Names Sean H. McGuire Chief Commercial Banking Officer and Scott E. Hawthorne Chief Credit Officer as Part of Ongoing Succession Planning Brogan Ptacin, EVP– Head of Commercial Banking, and Mark Fucinato, EVP – Chief Credit Officer, to Retire Aft
How this was made
The 30-second read
Why it matters
The leadership changes are a primary disclosure, providing fresh information to the market.
Market read
First‑report executive changes for BY, modest trading relevance.
What to watch
The new officers' track records and the bank's exposure to commercial loan cycles could affect future performance.
Background
Byline Bancorp filed an 8‑K announcing succession planning for its commercial banking and credit divisions.
Ticker impact
SEC Form 8‑K discloses new executive appointments and retirements effective Jan 1 2027, a first‑report of leadership changes.
likely modest neutral pressure as market prices in the succession plan.
Executive changes are material but not expected to cause large price moves; the market may view the succession planning positively.
Market effects
Minimal impact on the regional banking sector; leadership continuity may be viewed positively by peers.
Limited to Chicago‑area banking community; no broader regional effect.
None
Counterpoint
Investors could view the retirements as a risk of losing experienced leadership, potentially weighing on the stock.
Key entities
- ExecutiveSean H. McGuire
Appointed Chief Commercial Banking Officer
- ExecutiveScott E. Hawthorne
Appointed Chief Credit Officer
- ExecutiveBrogan Ptacin
Retiring Head of Commercial Banking
- ExecutiveMark Fucinato
Retiring Chief Credit Officer

