InsiderTrades

Form 4 for BY BYLINE BANCORP, INC.

Accepted 2026-08-20 13:12:46 ET · period of report 2026-08-19 · accession 0001772766-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
I 2026-08-20 13:12 2026-08-19 BY HERSETH MARY JO S. Dir P - Purchase $38.40 +300 19.1K +2% +$11.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common stock 2026-08-19 P A 300 $38.40 19,100 I The Herseth Family Revocable Trust Dated 12/02/25 — —