{"transactions":[{"id":768984,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-21T20:07:06.000Z","date":"2026-05-20","kind":"grant","planned":false,"acquired":true,"shares":1282,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":32849,"source":{"system":"sec-edgar","filing":"0001319732-26-000002","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000131973226000002/ownership.xml","form_type":"4"}},{"id":1129880,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-30T20:06:23.000Z","date":"2025-05-28","kind":"grant","planned":false,"acquired":true,"shares":1361,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":31567,"source":{"system":"sec-edgar","filing":"0000950170-25-079700","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000095017025079700/ownership.xml","form_type":"4"}},{"id":1331473,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-16T21:05:12.000Z","date":"2024-12-13","kind":"purchase","planned":false,"acquired":true,"shares":4000,"price":25,"value":100000.0,"ownership":{"direct":false,"nature":"Held in IRA"},"balance_after":16000,"source":{"system":"sec-edgar","filing":"0000950170-24-136625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000095017024136625/ownership.xml","form_type":"4"}},{"id":1341009,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-06T21:05:04.000Z","date":"2024-12-05","kind":"grant","planned":false,"acquired":true,"shares":280,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":30206,"source":{"system":"sec-edgar","filing":"0000950170-24-134068","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000095017024134068/ownership.xml","form_type":"4"}},{"id":1487654,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-07T20:05:06.000Z","date":"2024-06-05","kind":"grant","planned":false,"acquired":true,"shares":428,"price":17.49,"value":7485.72,"ownership":{"direct":true},"balance_after":29926,"source":{"system":"sec-edgar","filing":"0000950170-24-070580","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/862831/000095017024070580/ownership.xml","form_type":"4"}},{"id":1487653,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-07T20:05:06.000Z","date":"2024-06-05","kind":"grant","planned":false,"acquired":true,"shares":2001,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":29498,"source":{"system":"sec-edgar","filing":"0000950170-24-070580","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000095017024070580/ownership.xml","form_type":"4"}},{"id":1845844,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-23T20:00:26.000Z","date":"2023-06-21","kind":"grant","planned":false,"acquired":true,"shares":1835,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":27497,"source":{"system":"sec-edgar","filing":"0001209191-23-039312","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919123039312/doc4.xml","form_type":"4"}},{"id":1904990,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-04T20:49:25.000Z","date":"2023-05-04","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":15.06,"value":150600.0,"ownership":{"direct":false,"nature":"Held in IRA"},"balance_after":12000,"source":{"system":"sec-edgar","filing":"0001209191-23-027371","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919123027371/doc4.xml","form_type":"4"}},{"id":2231976,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-15T20:48:57.000Z","date":"2022-06-14","kind":"grant","acquired":true,"shares":1130,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":25662,"source":{"system":"sec-edgar","filing":"0001209191-22-036983","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919122036983/doc4.xml","form_type":"4"}},{"id":2662241,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-21T16:12:04.000Z","date":"2021-06-16","kind":"grant","acquired":true,"shares":935,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":24532,"source":{"system":"sec-edgar","filing":"0001209191-21-041869","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919121041869/doc4.xml","form_type":"4"}},{"id":3104762,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-19T16:45:59.000Z","date":"2020-06-17","kind":"grant","acquired":true,"shares":1422,"price":17.57,"value":24984.54,"ownership":{"direct":true},"balance_after":23597,"source":{"system":"sec-edgar","filing":"0001209191-20-037821","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919120037821/doc4.xml","form_type":"4"}},{"id":3104761,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-19T16:45:59.000Z","date":"2020-06-17","kind":"grant","acquired":true,"shares":1422,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":22175,"source":{"system":"sec-edgar","filing":"0001209191-20-037821","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919120037821/doc4.xml","form_type":"4"}},{"id":3481886,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-21T18:45:54.000Z","date":"2019-06-19","kind":"grant","acquired":true,"shares":914,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":20753,"source":{"system":"sec-edgar","filing":"0001209191-19-038437","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919119038437/doc4.xml","form_type":"4"}},{"id":3886574,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-21T20:02:24.000Z","date":"2018-06-20","kind":"grant","acquired":true,"shares":737,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":19839,"source":{"system":"sec-edgar","filing":"0001209191-18-038921","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919118038921/doc4.xml","form_type":"4"}},{"id":3944810,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2018-05-07T15:00:08.000Z","date":"2018-05-04","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Option vested in three equal annual installments beginning on May 6, 2009."}],"balance_after":0,"derivative":{"exercise_price":19,"exercise_date":"2009-05-06","expiration_date":"2018-05-06","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001209191-18-028222","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919118028222/doc4.xml","form_type":"4"}},{"id":3944809,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-07T15:00:08.000Z","date":"2018-05-04","kind":"exercise","acquired":true,"shares":2000,"price":19,"value":38000.0,"ownership":{"direct":true},"balance_after":19102,"source":{"system":"sec-edgar","filing":"0001209191-18-028222","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919118028222/doc4.xml","form_type":"4"}},{"id":4274930,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-22T20:24:44.000Z","date":"2017-06-21","kind":"grant","acquired":true,"shares":851,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":17102,"source":{"system":"sec-edgar","filing":"0001209191-17-041373","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919117041373/doc4.xml","form_type":"4"}},{"id":4338960,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2017-05-02T18:43:54.000Z","date":"2017-04-28","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Option vested in three equal annual installments beginning on May 2, 2008."}],"balance_after":0,"derivative":{"exercise_price":19.73,"exercise_date":"2008-05-02","expiration_date":"2017-05-02","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001209191-17-029133","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919117029133/doc4.xml","form_type":"4"}},{"id":4338959,"issuer":{"id":1536,"kind":"organization","name":"FINANCIAL INSTITUTIONS INC","symbol":"FISI"},"owners":[{"id":45462,"kind":"person","name":"Latella Robert N","position":1,"cik":"0001319732","reported_name":"Latella Robert N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-05-02T18:43:54.000Z","date":"2017-04-28","kind":"exercise","acquired":true,"shares":2000,"price":19.73,"value":39460.0,"ownership":{"direct":true},"balance_after":16251,"source":{"system":"sec-edgar","filing":"0001209191-17-029133","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/862831/000120919117029133/doc4.xml","form_type":"4"}}]}