Whipple John F.

SEC source: 0000723188-26-000056 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,632.8816

Underlying: Common Stock · 1,220 shares

Expires not disclosed

F3 · derivative.exercise_date: The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Financial System, Inc. common stock and will be settled in common stock at a predetermined date.

F3 · derivative.expiration_date: The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Financial System, Inc. common stock and will be settled in common stock at a predetermined date.

F4 · balance_after: Includes 35.9672, 40.8617, 45.1866, and 41.4544 units of phantom stock acquired on April 10, 2025, July 10, 2025, October 10, 2025, and January 12, 2026, respectively, as dividend equivalents under the Plan.

SEC source: 0000723188-26-000008 · form4.xml · derivative · entry 3

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,246 shares

Expires 2026-03-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000723188-26-000008 · form4.xml · nonDerivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,506.0302

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.00 to $65.355, inclusive. The reporting person undertakes to provide Community Financial System, Inc., any security holder of Community Financial System, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000723188-26-000008 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,752.0302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000723188-25-000012 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,707.3915

Underlying: Common Stock · 1,370 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

F1 · price: On December 1, 2025, the reporting person's phantom stock units were settled for 1,370 shares of Community Financial System, Inc. common stock.

F2 · derivative.exercise_date: Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.expiration_date: Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

F3 · balance_after: Includes 53.6874, 61.6877, 53.8395, and 59.5376 units of phantom stock acquired on January 10, 2025, April 10, 2025, July 10, 2025, and October 10, 2025, respectively, as dividend equivalents under the Plan.

SEC source: 0000723188-25-000012 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,506.0302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On December 1, 2025, the reporting person's phantom stock units were settled for 1,370 shares of Community Financial System, Inc. common stock.

SEC source: 0001127602-25-010166 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,249.4117

Underlying: Common Stock · 1,225 shares

Expires not disclosed

F3 · derivative.exercise_date: The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Financial System, Inc. common stock and will be settled in common stock at a predetermined date.

F3 · derivative.expiration_date: The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Financial System, Inc. common stock and will be settled in common stock at a predetermined date.

F4 · balance_after: Includes 25.8915, 36.6659, 31.555, and 31.3024 units of phantom stock acquired as dividend equivalents on April 10, 2024, July 10, 2024, October 10, 2024, and January 10, 2025, respectively, under the Plan.

SEC source: 0001127602-24-028354 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,848.6393

Underlying: Common Stock · 1,313 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan (the "Plan") will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

F1 · price: On December 2, 2024, the reporting person's phantom stock units were settled for 1,313 shares of Community Financial System, Inc. common stock and a cash payment in lieu of .2529 shares of common stock.

F2 · derivative.exercise_date: Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan (the "Plan") will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.expiration_date: Each unit of phantom stock is the economic equivalent of one share of Community Financial System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan (the "Plan") will be settled in Community Financial System, Inc. common stock at future dates selected by the reporting person.

F3 · balance_after: Includes 70.4764, 82.1037, 74.9451 and 64.499 units of phantom stock acquired on January 10, 2024, April 10, 2024, July 10, 2024, and October 10, 2024, respectively, as dividend equivalents under the Plan.

SEC source: 0001127602-24-028354 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,136.0302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On December 2, 2024, the reporting person's phantom stock units were settled for 1,313 shares of Community Financial System, Inc. common stock and a cash payment in lieu of .2529 shares of common stock.

SEC source: 0001127602-24-028048 · form4.xml · derivative · entry 3

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,937 shares

Expires 2025-03-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-24-028048 · form4.xml · nonDerivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,823.0302

SEC source: 0001127602-24-028048 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,760.0302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-24-010842 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,898.9969

Underlying: Common Stock · 1,395 shares

Expires not disclosed

F1 · derivative.exercise_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F1 · derivative.expiration_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F2 · balance_after: Includes 21.3781, 24.0768, 25.9359, and 22.2249 units of phantom stock acquired on April 10, 2023, July 10, 2023, October 10, 2023, and January 10, 2024, respectively, as dividend equivalents under the Plan.

SEC source: 0001127602-24-009345 · form4.xml · derivative · entry 3

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,631 shares

Expires 2024-03-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-24-009345 · form4.xml · nonDerivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,823.0302

SEC source: 0001127602-24-009345 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,746.0302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-028829 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,607.2548

Underlying: Common Stock · 1,259.403 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On December 1, 2023, the reporting person's phantom stock units were settled for an equal number of shares of Community Bank System, Inc. common stock.

F2 · derivative.exercise_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.expiration_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

SEC source: 0001127602-23-028829 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,115.0302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-010279 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,410.3812

Underlying: Common Stock · 1,154 shares

Expires not disclosed

F3 · derivative.exercise_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F3 · derivative.expiration_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2022 Long-Term Incentive Plan, as amended (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F4 · balance_after: Includes 33.549 units of phantom stock acquired as dividend equivalents under the Plan.

SEC source: 0001104659-22-124644 · tm2232051-1_4seq1.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,605.3237

Underlying: Common Stock · 1,225.1412 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.exercise_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.expiration_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

SEC source: 0001104659-22-124644 · tm2232051-1_4seq1.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,855.6272

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On December 1, 2022, the reporting person's phantom stock units were settled for an equal number of shares of Community Bank System, Inc. common stock.

SEC source: 0001127602-22-009755 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,222.8265

Underlying: Common Stock · 644 shares

Expires not disclosed

F1 · derivative.exercise_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2014 Long-Term Incentive Plan (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F1 · derivative.expiration_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2014 Long-Term Incentive Plan (the "Plan"). Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F2 · balance_after: Includes 9.8265 units of phantom stock acquired as dividend equivalents under the Plan.

SEC source: 0001127602-21-030227 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,776.4927

Underlying: Common Stock · 1,198.7894 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.exercise_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.expiration_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F3 · balance_after: Includes 184.5984 units of phantom stock acquired under the Deferred Compensation Plan's dividend reinvestment feature.

SEC source: 0001127602-21-030227 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,630.486

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On December 1, 2021, the reporting person's phantom stock units were settled for an equal number of shares of Community Bank System, Inc. common stock.

SEC source: 0001127602-21-011194 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 569

Underlying: Common Stock · 569 shares

Expires not disclosed

F1 · derivative.exercise_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2014 Long-Term Incentive Plan. Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

F1 · derivative.expiration_date: The reporting person has received deferred stock units under the Community Bank System, Inc. 2014 Long-Term Incentive Plan. Each phantom stock unit which represents a deferred stock unit is the economic equivalent of one share of Community Bank System, Inc. common stock and will be settled in common stock at a predetermined date.

SEC source: 0001127602-20-032005 · form4.xml · derivative · entry 5

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,631 shares

Expires 2023-03-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-20-032005 · form4.xml · derivative · entry 4

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,000 shares

Expires 2022-03-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-20-032005 · form4.xml · nonDerivative · entry 3

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,431.6966

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.00 to $64.465, inclusive. The reporting person undertakes to provide Community Bank System, Inc., any security holder of Community Bank System, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-20-032005 · form4.xml · nonDerivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,062.6966

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-20-032005 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,431.6966

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-20-030337 · form4.xml · derivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,723.7894

Underlying: Common Stock · 1,162.6966 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.exercise_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F2 · derivative.expiration_date: Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock. The units of phantom stock relating to the Deferred Compensation Plan will be settled in Community Bank System, Inc. common stock at future dates selected by the reporting person.

F3 · balance_after: Includes 245.6053 units of phantom stock acquired under the Deferred Compensation Plan's dividend reinvestment feature.

SEC source: 0001127602-20-030337 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,431.6966

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On December 1, 2020, the reporting person's phantom stock units were settled for an equal number of shares of Community Bank System, Inc. common stock.

SEC source: 0001127602-20-027679 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 796

Underlying: Common Stock · 796 shares

Expires 2030-10-28

SEC source: 0001127602-20-011373 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,171

Underlying: Common Stock · 3,171 shares

Expires 2030-03-17

SEC source: 0001127602-19-012857 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,388

Underlying: Common Stock · 2,388 shares

Expires 2029-03-20

SEC source: 0001127602-18-025990 · form4.xml · derivative · entry 3

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 2,566 shares

Expires 2022-03-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-18-025990 · form4.xml · nonDerivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.13 to $66.345, inclusive. The reporting person undertakes to provide Community Bank System, Inc., any security holder of Community Bank System, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-18-025990 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,835

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-18-012586 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,559

Underlying: Common Stock · 2,559 shares

Expires 2028-03-20

SEC source: 0001127602-17-011960 · form4.xml · derivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,478

Underlying: Common Stock · 2,478 shares

Expires 2027-03-15

SEC source: 0001127602-17-006634 · form4.xml · derivative · entry 3

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,850 shares

Expires 2021-01-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-17-006634 · form4.xml · nonDerivative · entry 2

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.65 to $60.26, inclusive. The reporting person undertakes to provide Community Bank System, Inc., any security holder of Community Bank System, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-17-006634 · form4.xml · nonDerivative · entry 1

Whipple John F. · CIK 0001485739 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,119

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.