Community Financial System, INC Form 4 insider transactions

Community Financial System Director John A. Vaccaro acquired 1,220 deferred stock units under the company's long-term incentive plan.

Community Financial System Director Michele Sullivan acquired 1,220 phantom stock units under the company's Long-Term Incentive Plan.

Community Financial System, Inc. Director Eric Stickels received an award of 1,220 phantom stock units under the company's long-term incentive plan.

Community Financial System, Inc. Director Brenda M. Hall received 1,220 deferred stock units under the company's long-term incentive plan.

Community Financial System Director Eric Stickels converted 250 phantom stock units into common stock, increasing his direct ownership.

Michael N. Abdo, EVP and General Counsel of Community Financial System, Inc., vested 1,948.2353 shares of common stock from a performance-based award.

Maureen Gillan-Myer, EVP and Chief Admin & HR Officer of Community Financial System, Inc., saw 2,562.0628 shares of restricted stock vest and subsequently disposed of 943.0628 shares to cover tax liabilities.

Community Financial System's President & CEO, Dimitar Karaivanov, increased his direct beneficial ownership of common stock following the vesting of a performance-based restricted stock award.

Community Financial System EVP Maureen Gillan-Myer disposed of 522 shares of common stock to cover tax liabilities from restricted stock vesting.

Maureen A. Gillan-Myer, EVP of Community Financial System, sold over 3,450 shares of common stock for approximately $203,000 under a pre-arranged trading plan.

A Community Financial System, Inc. SVP and Chief Accounting Officer disposed of common stock to cover tax obligations from a restricted stock award.

Community Financial System EVP and General Counsel Michael N. Abdo disposed of 485 shares of common stock to cover tax liabilities from restricted stock vesting.

A Community Financial System executive disposed of 399 common shares to cover tax obligations related to a restricted stock award vesting.

Community Financial System, Inc. CEO Dimitar Karaivanov disposed of 2,501 shares of common stock to cover tax obligations related to a restricted stock award vesting.

Community Financial System Director John F. Whipple exercised stock options and subsequently sold a portion of his common stock holdings in a pre-planned transaction.

Community Financial System Director Sally A. Steele exercised stock options and subsequently sold an equal number of shares.

Community Financial System Director Eric Stickels sold 2,000 shares of common stock for a weighted average price of $64.746.

Community Financial System's EVP and General Counsel, Michael N. Abdo, reported stock option exercises and related share dispositions.

Community Financial System Director Michele Sullivan increased her beneficial ownership by acquiring additional deferred stock units, signaling confidence in the company.

Community Financial System Director Savneet Singh acquired additional deferred stock units, increasing beneficial ownership.

Community Financial System Director Neil E. Fesette increased his beneficial ownership of common stock and phantom stock through dividend reinvestment and deferred compensation plans.

Community Financial System Director John Parente exercised stock options and sold shares for tax purposes, adjusting his direct beneficial ownership.

Community Financial System Director John F. Whipple settled 1,370 phantom stock units into common stock on December 1, 2025.

Michele Sullivan, a Director at Community Financial System, Inc., acquired 416.318 units of deferred stock under a pre-arranged plan.

Community Financial System Director Savneet Singh acquired 351.4644 units of deferred stock as part of a compensation plan, increasing his beneficial ownership.

Community Financial System Director Neil Fesette acquired 192.4686 units of phantom stock as deferred compensation, increasing his beneficial ownership to 7,381.9333 units.

Jeffrey M. Levy, SVP & Chief Banking Officer of Community Financial System, Inc., has scheduled the sale of 1,440 shares of common stock for August 27, 2025, at $61.375 per share under a Rule 10b5-1 plan.

Community Financial System, Inc. Director Neil E. Fesette has acquired 211.9816 units of phantom stock as part of his deferred compensation plan, aligning his interests with shareholders.

Michele Sullivan, a Director at Community Financial System, Inc. (CBU), acquired 476.977 units of deferred stock as part of a compensation plan, increasing her beneficial ownership.

Savneet Singh, a Director at Community Financial System, Inc. (CBU), acquired 354.8387 units of deferred stock on June 20, 2025, as part of a deferred compensation plan.