InsiderTrades

Form 4 for BY BYLINE BANCORP, INC.

Accepted 2026-02-24 00:00:00 ET · period of report 2026-02-22 · accession 0001858221-26-000002 · 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
M 2026-02-24 2026-02-22 BY Mando Nicolas CHIEF TECHNOLOGY, Ops A - Grant $0.00 +3,935 16.2K +32% $0
M 2026-02-24 2026-02-22 BY Mando Nicolas CHIEF TECHNOLOGY, Ops F - Tax $33.13 -1,408 15.6K -8% -$46.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common stock 2026-02-22 A A 2,231 $0.00 15,297 D — — (F1) Represents shares of Common Stock earned upon performance-vesting of a previously awarded performance share grant.
2 Common Common stock 2026-02-22 F D 772 $33.13 14,525 D — —
3 Common Common stock 2026-02-22 A A 1,704 $0.00 16,229 D — — (F2) Represents restricted shares of Common Stock that will time vest over three years subject to continued employment with the issuer.
4 Common Common stock 2026-02-22 F D 636 $33.13 15,593 D — —