InsiderTrades

Form 4 for BY BYLINE BANCORP, INC.

Accepted 2025-12-10 00:00:00 ET · period of report 2025-12-10 · accession 0001772766-25-000005 · 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 2025-12-10 2025-12-10 BY HERSETH MARY JO S. Dir J - Other — +18.5K 18.5K New —
2025-12-10 2025-12-10 BY HERSETH MARY JO S. Dir J - Other — -18.5K 0 -100% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common stock 2025-12-10 J A 18,500 — 18,500 I The Herseth Family Revocable Trust Dated 12/02/25 — — (F1) Transfer to The Herseth Family Revocable Trust Dated 12/02/25 for estate planning purposes.
2 Common Common stock 2025-12-10 J D 18,500 — 0 D — — (F1) Transfer to The Herseth Family Revocable Trust Dated 12/02/25 for estate planning purposes.