InsiderTrades

Form 4 for CBU COMMUNITY FINANCIAL SYSTEM, INC.

Accepted 2026-03-04 00:00:00 ET · period of report 2026-03-02 · accession 0000723188-26-000038 · 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
2026-03-04 2026-03-02 CBU Gillan-Myer Maureen A EVP, Chief Admin, HR Off F - Tax $60.55 -522 5,028 -9% -$31.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-02 F D 522 $60.55 5,028 D — —