SEC Form 4 · accession 0001368185-26-000004
BYLINE BANCORP, INC. · BY
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Brogan Ptacin
Officer — HEAD OF COMMERCIAL BANKING
Period of report
Aug 3, 2026
Accepted (ET)
Aug 4, 2026 · 1:41 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001702750
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common stock | Aug 3, 2026 | A | 9,450 | $12.70 | A | 35,309 | D | |
| Common stock | Aug 3, 2026 | D | 9,450 | $39.6107 | D | 25,859 | D | |
| Common stock | holding | — | — | — | 27,200 | I | By Brogan M. Ptacin Rev Trust Dtd 3/24/2004 Brogan M. Ptacin TTEE |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Common Stock | $12.70 | Aug 3, 2026 | M | 9,450 | D | May 31, 2018 | Dec 20, 2026 | Common Stock | 9,450 | 0 | D |