{"transactions":[{"id":796365,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2026-05-01T20:29:52.000Z","date":"2026-04-29","kind":"exercise","planned":false,"acquired":false,"shares":9,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 29, 2026, the reporting person's phantom stock units were settled for 9 shares of Community Financial System, Inc. common stock, and .4418 shares were settled in cash at the price of $63.17 per share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9.4418 units of phantom stock acquired on April 10, 2026 under the LTIP's dividend reinvestment feature."}],"balance_after":1230.7635,"derivative":{"underlying":"Common Stock","underlying_shares":9},"source":{"system":"sec-edgar","filing":"0000723188-26-000091","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000091/form4.xml","form_type":"4"}},{"id":796364,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-01T20:29:52.000Z","date":"2026-04-29","kind":"exercise","planned":false,"acquired":true,"shares":9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 29, 2026, the reporting person's phantom stock units were settled for 9 shares of Community Financial System, Inc. common stock, and .4418 shares were settled in cash at the price of $63.17 per share."}],"balance_after":41227,"source":{"system":"sec-edgar","filing":"0000723188-26-000091","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000091/form4.xml","form_type":"4"}},{"id":831624,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2026-03-23T15:06:54.000Z","date":"2026-03-19","kind":"exercise","planned":false,"acquired":false,"shares":1254,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 19, 2026, the reporting person's phantom stock units were settled for 1,254 shares of Community Financial System, Inc. common stock, and .5514 shares were settled in cash at the price of $55.61 per share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."}],"balance_after":1230.7635,"derivative":{"underlying":"Common Stock","underlying_shares":1254},"source":{"system":"sec-edgar","filing":"0000723188-26-000080","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000080/form4.xml","form_type":"4"}},{"id":831623,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-03-23T15:06:54.000Z","date":"2026-03-19","kind":"exercise","planned":false,"acquired":true,"shares":1254,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 19, 2026, the reporting person's phantom stock units were settled for 1,254 shares of Community Financial System, Inc. common stock, and .5514 shares were settled in cash at the price of $55.61 per share."}],"balance_after":41218,"source":{"system":"sec-edgar","filing":"0000723188-26-000080","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000080/form4.xml","form_type":"4"}},{"id":836183,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2026-03-18T17:31:49.000Z","date":"2026-03-17","kind":"grant","planned":false,"acquired":true,"shares":1220,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The reporting person has received deferred stock units under the Community Financial System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"LTIP\"). 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."}],"balance_after":2485.3149,"derivative":{"underlying":"Common Stock","underlying_shares":1220},"source":{"system":"sec-edgar","filing":"0000723188-26-000057","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000057/form4.xml","form_type":"4"}},{"id":918562,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Stock Option","published_at":"2026-02-05T20:52:09.000Z","date":"2026-02-03","kind":"exercise","planned":false,"acquired":false,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":16001,"derivative":{"exercise_price":23.04,"exercise_date":"2005-12-21","expiration_date":"2026-12-31","underlying":"Common Stock","underlying_shares":4000},"source":{"system":"sec-edgar","filing":"0000723188-26-000006","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000006/form4.xml","form_type":"4"}},{"id":918561,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-02-05T20:52:09.000Z","date":"2026-02-03","kind":"sale","planned":false,"acquired":false,"shares":4000,"price":64.1201,"value":256480.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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 $64.255, 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."}],"balance_after":39964,"source":{"system":"sec-edgar","filing":"0000723188-26-000006","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000006/form4.xml","form_type":"4"}},{"id":918560,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-02-05T20:52:09.000Z","date":"2026-02-03","kind":"exercise","planned":false,"acquired":true,"shares":4000,"price":23.04,"value":92160.0,"ownership":{"direct":true},"balance_after":43964,"source":{"system":"sec-edgar","filing":"0000723188-26-000006","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000072318826000006/form4.xml","form_type":"4"}},{"id":1171403,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2025-04-16T21:21:14.000Z","date":"2025-04-15","kind":"exercise","planned":false,"acquired":false,"shares":1181,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 10.4655 units of phantom stock acquired on April 10, 2025 under the Plan's dividend reinvestment feature."}],"balance_after":1235.7635,"derivative":{"underlying":"Common Stock","underlying_shares":1181},"source":{"system":"sec-edgar","filing":"0001127602-25-012167","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225012167/form4.xml","form_type":"4"}},{"id":1171402,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-16T21:21:14.000Z","date":"2025-04-15","kind":"exercise","planned":false,"acquired":true,"shares":1181,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 15, 2025, the reporting person's phantom stock units were settled for 1,181 shares of Community Financial System, Inc. common stock, and .4755 shares were settled in cash at the price of $52.25 per share."}],"balance_after":39964,"source":{"system":"sec-edgar","filing":"0001127602-25-012167","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225012167/form4.xml","form_type":"4"}},{"id":1196398,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2025-03-20T20:07:53.000Z","date":"2025-03-18","kind":"grant","planned":false,"acquired":true,"shares":1225,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 13.032, 11.2154, and 9.1082 units of phantom stock acquired as dividend equivalents on July 10, 2024, October 10, 2024, and January 10, 2025, respectively, under the Plan."}],"balance_after":2406.7735,"derivative":{"underlying":"Common Stock","underlying_shares":1225},"source":{"system":"sec-edgar","filing":"0001127602-25-010132","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225010132/form4.xml","form_type":"4"}},{"id":1304021,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Compensation)","published_at":"2025-01-14T21:45:25.000Z","date":"2025-01-13","kind":"exercise","planned":false,"acquired":false,"shares":28,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Includes 28.7195 units of phantom stock acquired on January 10, 2025 under the Deferred Compensation Plan's dividend reinvestment feature."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":28},"source":{"system":"sec-edgar","filing":"0001127602-25-001205","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225001205/form4.xml","form_type":"4"}},{"id":1304020,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-01-14T21:45:25.000Z","date":"2025-01-13","kind":"exercise","planned":false,"acquired":true,"shares":28,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 13, 2025, the reporting person's phantom stock units were settled for 28 shares of Community Financial System, Inc. common stock, and .7195 shares were settled in cash at the price of $58.68 per share."}],"balance_after":38783,"source":{"system":"sec-edgar","filing":"0001127602-25-001205","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225001205/form4.xml","form_type":"4"}},{"id":1312518,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Compensation)","published_at":"2025-01-06T19:34:13.000Z","date":"2025-01-02","kind":"exercise","planned":false,"acquired":false,"shares":3663,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Includes 165.9356 units of phantom stock acquired under the Deferred Compensation Plan's dividend reinvestment feature."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3663},"source":{"system":"sec-edgar","filing":"0001127602-25-000675","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225000675/form4.xml","form_type":"4"}},{"id":1312517,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-01-06T19:34:13.000Z","date":"2025-01-02","kind":"exercise","planned":false,"acquired":true,"shares":3663,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 2, 2025, the reporting person's phantom stock units were settled for 3,663 shares of Community Financial System, Inc. common stock, and .5912 shares were settled in cash at the price of $61.68 per share."}],"balance_after":38755,"source":{"system":"sec-edgar","filing":"0001127602-25-000675","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760225000675/form4.xml","form_type":"4"}},{"id":1541673,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2024-04-16T18:45:31.000Z","date":"2024-04-12","kind":"exercise","planned":false,"acquired":false,"shares":1464,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person has received deferred stock units under the Community Bank System, Inc. 2022 Long-Term Incentive Plan, as amended (the \"Plan\").  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These shares were sold in multiple transactions at prices ranging from $73.2347 to $73.24, 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."}],"balance_after":50923.754,"source":{"system":"sec-edgar","filing":"0001127602-22-007954","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760222007954/form4.xml","form_type":"4"}},{"id":2446454,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Compensation)","published_at":"2022-01-05T21:23:20.000Z","date":"2022-01-03","kind":"exercise","acquired":false,"shares":3275.5316,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock.  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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."}],"balance_after":745.851,"derivative":{"underlying":"Common Stock","underlying_shares":681.0321},"source":{"system":"sec-edgar","filing":"0001127602-21-011432","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760221011432/form4.xml","form_type":"4"}},{"id":2780490,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2021-03-18T21:00:25.000Z","date":"2021-03-16","kind":"grant","acquired":true,"shares":569,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The reporting person has received deferred stock units under the Community Bank System, Inc. 2014 Long-Term Incentive Plan.  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These shares were sold in multiple transactions at prices ranging from $70.00 to $70.1146, 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."}],"balance_after":50062.4638,"source":{"system":"sec-edgar","filing":"0001127602-21-005510","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760221005510/form4.xml","form_type":"4"}},{"id":2917863,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Compensation)","published_at":"2021-01-06T21:38:22.000Z","date":"2021-01-04","kind":"exercise","acquired":false,"shares":3195.5394,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each unit of phantom stock is the economic equivalent of one share of Community Bank System, Inc. common stock.  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These shares were sold in multiple transactions at prices ranging from $67.50 to $67.76, 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."}],"balance_after":56601.6849,"source":{"system":"sec-edgar","filing":"0001127602-19-034091","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760219034091/form4.xml","form_type":"4"}},{"id":3355362,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-12-03T20:05:58.000Z","date":"2019-12-02","kind":"exercise","acquired":true,"shares":3631,"price":37.77,"value":137142.87,"ownership":{"direct":true},"balance_after":60232.6849,"source":{"system":"sec-edgar","filing":"0001127602-19-034091","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760219034091/form4.xml","form_type":"4"}},{"id":3485437,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-06-19T18:16:11.000Z","date":"2019-05-24","kind":"gift","acquired":true,"shares":618,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Joint with brother"},"balance_after":2585,"source":{"system":"sec-edgar","filing":"0001127602-19-022207","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/723188/000112760219022207/form4.xml","form_type":"4"}},{"id":3585418,"issuer":{"id":4178,"kind":"organization","name":"COMMUNITY FINANCIAL SYSTEM, INC.","symbol":"CBU"},"owners":[{"id":50448,"kind":"person","name":"STEELE SALLY A","position":1,"cik":"0001264816","reported_name":"STEELE SALLY A","relationship":{"director":true}}],"security":"Phantom Stock (Deferred Stock Units)","published_at":"2019-03-20T20:50:03.000Z","date":"2019-03-20","kind":"grant","acquired":true,"shares":576,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The reporting person has received deferred stock units under the Community Bank System, Inc. 2014 Long-Term Incentive Plan.  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