InsiderTrades

Form 4 for CBU COMMUNITY FINANCIAL SYSTEM, INC.

Accepted 2026-08-28 16:26:42 ET · period of report 2026-08-27 · accession 0000723188-26-000108 · 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
2026-08-28 16:26 2026-08-27 CBU Vaccaro John A Dir P - Purchase $63.11 +317 492 +181% +$20.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-27 P A 317 $63.11 492 D — —