Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Financials · Buyer's industry: State Commercial Banks

Byline Bancorp, Inc. to acquire Illinois State Bancorp, Inc.

Announced Oct 6, 2026 · Announced · Private target

Deal value$88M
Premium—To unaffected price
EV / Adj. EBITDA—
ConsiderationCash and stock$261.23 per share

Transaction

Acquirer
Byline Bancorp, Inc. (BY)
Target
Illinois State Bancorp, Inc.
Buyer type
Strategic
Offer price per share
$261.23
Enterprise value
—
Status
Announced

Deal protections

Not disclosed for private-company acquisitions.

Advisors

To the acquirer
Not disclosed
To the target
D.A. Davidson

Classification

Sector
Financials
Buyer's industry
State Commercial Banks
Sources
  • 8-K (EX-99.1) · Oct 6, 2026

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.