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Community Financial System

Community Financial System (NYSE: CBU) insider transactions

In the twelve months to 10 November 2026, executives and directors of Community Financial System reported 6 open-market sales of 27,887 shares ($1.8m) and 3 open-market purchases of 1,193 shares ($75,263), by 8 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Community Financial System shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
9 September 2026Singh SavneetDirectorOpen-market purchase+400$62.47418Form 4
27 August 2026Vaccaro John ADirectorOpen-market purchase+317$63.11492Form 4
24 August 2026Hall Brenda MDirectorOpen-market purchase+476$63.59515Form 4
25 June 2026Bolus Mark J.DirectorOpen-market sale−12,191$67.0094,060Form 4
10 June 2026Durkee Deresa FischerSVP, Chief Accounting OfficerOption exercise+427$51.645,608Form 4
10 June 2026Durkee Deresa FischerSVP, Chief Accounting OfficerOption exercise+1,196$44.276,804Form 4
10 June 2026Durkee Deresa FischerSVP, Chief Accounting OfficerShares withheld for tax−1,326$64.775,478Form 4
8 June 2026Stickels EricDirectorOpen-market sale−2,000$63.9831,592Form 4
4 May 2026Wlos Marya BurgioEVP & Chief Financial OfficerShares withheld for tax−273$63.621,993Form 4
29 April 2026Knauss Jeffery JDirectorOption exercise+9—4,829Form 4
29 April 2026Parente JohnDirectorOption exercise+9—72,654Form 4
29 April 2026Pecor Raymond C IIIDirectorOption exercise+9—11,448Form 4
29 April 2026Steele Sally ADirectorOption exercise+9—41,227Form 4
19 March 2026Parente JohnDirectorOption exercise+1,254—72,645Form 4
19 March 2026Knauss Jeffery JDirectorOption exercise+1,254—4,820Form 4
19 March 2026Steele Sally ADirectorOption exercise+1,254—41,218Form 4
19 March 2026Pecor Raymond C IIIDirectorOption exercise+1,254—11,439Form 4
16 March 2026Stickels EricDirectorOption exercise+250—33,592Form 4
4 March 2026Karaivanov DimitarPresident & CEOGrant or award+5,224—26,482Form 4
4 March 2026Karaivanov DimitarPresident & CEOShares withheld for tax−2,825$59.8723,657Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Community Financial System page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.