Community Financial System, Inc. (CBU) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for CBU. 13F holdings as of 2026-03-31.

Top Institutional Holders

InstitutionSharesValueChange
BlackRock, Inc.7,513,822$441MDECREASED
Neuberger Berman Group LLC3,715,425$218MDECREASED
VANGUARD PORTFOLIO MANAGEMENT LLC3,525,760$207MNEW
STATE STREET CORP3,150,340$186MINCREASED
FMR LLC3,026,372$177MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
John A Vaccaro (Director)AWARD320$20K2026-06-18
Michele Sullivan (Director)AWARD406$25K2026-06-18
Deresa Fischer Durkee (SVP, Chief Accounting Officer)SELL1,326$86K2026-06-10
Deresa Fischer Durkee (SVP, Chief Accounting Officer)EXERCISE1,196$53K2026-06-10
Deresa Fischer Durkee (SVP, Chief Accounting Officer)EXERCISE427$22K2026-06-10

Full institutional holdings, insider history, and congressional trades for Community Financial System, Inc. on SentiSense.