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AI brief of an SEC Form 8-K · BYLINE BANCORP, INC. (BY)

Byline Bancorp to acquire Illinois State Bancorp in $87.9 million cash and stock deal

Neutral Impact 5 of 5 m&a Written later

Byline Bancorp entered a definitive merger agreement to acquire Illinois State Bancorp, a Chicago-area bank holding company with total assets of approximately $617.3 million as of June 30, 2026. The deal is valued at about $87.9 million based on Byline's October 5, 2026 closing price, and it requires Illinois State Bancorp shareholder approval and regulatory approvals, with closing expected in the first quarter of 2027.

Key points

  • Consideration: about 1.4 million Byline shares, $28.9 million in cash to Illinois State Bancorp shareholders, and about $5.1 million in cash to settle stock options
  • Value of $261.23 per Illinois State Bancorp common share, based on Byline's $37.63 closing price on October 5, 2026
  • Byline expects minimal tangible book value dilution of 1.2% and earnback in less than 1.5 years, with mid-single digit EPS accretion
  • Merger costs are expected to be about $16.6 million pre-tax; closing is anticipated in 1Q27

The filing

CompanyBYLINE BANCORP, INC. (BY)
Form8-K, current report
Filed with the SECOct 6, 2026, 4:15 PM ET
Accession number0001193125-26-415585

Items reported: 7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:53 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 06, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.