| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 03, 2025 | Tax Payment (Shares) | $63.29 | 798 | 50,505 | 13,122 | Mar 04, 2025, 01:05 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Nov 26, 2024 | Tax Payment (Shares) | $71.45 | 6,174 | 441,132 | 13,920 | Nov 27, 2024, 01:47 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Nov 26, 2024 | Option/RSU Exercise | - | 7,647 | - | 20,094 | Nov 27, 2024, 01:47 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Apr 30, 2024 | Discretionary Trade | $43.22 | 3,544 | 153,172 | 10,314 | May 02, 2024, 01:04 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Sep 12, 2023 | Discretionary Trade | $44.13 | 1,020 | 45,013 | 6,104 | Sep 14, 2023, 03:21 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Aug 18, 2023 | Discretionary Trade | $48.58 | 1,009 | 49,017 | 5,084 | Aug 22, 2023, 03:12 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 15, 2023 | Discretionary Trade | $53.97 | 1,331 | 71,834 | 3,934 | Mar 16, 2023, 10:59 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 08, 2023 | Tax Payment (Shares) | $61.05 | 536 | 32,723 | 8,914 | Mar 09, 2023, 01:30 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Dec 02, 2022 | Tax Payment (Shares) | $64.91 | 1,813 | 117,682 | 9,450 | Dec 06, 2022, 10:33 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Dec 02, 2022 | Option/RSU Exercise | $35.36 | 2,388 | 84,440 | 11,263 | Dec 06, 2022, 10:33 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 04, 2022 | Tax Payment (Shares) | $72.94 | 432 | 31,510 | 8,006 | Mar 08, 2022, 05:29 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | May 19, 2021 | Tax Payment (Shares) | $79.33 | 1,279 | 101,463 | 8,438 | May 21, 2021, 07:00 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | May 19, 2021 | Option/RSU Exercise | $37.77 | 1,796 | 67,835 | 9,717 | May 21, 2021, 07:00 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 05, 2021 | Tax Payment (Shares) | $71.19 | 357 | 25,415 | 6,769 | Mar 08, 2021, 05:02 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Feb 25, 2021 | Tax Payment (Shares) | $73.66 | 2,112 | 155,570 | 7,126 | Feb 26, 2021, 05:33 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Feb 25, 2021 | Option/RSU Exercise | $29.79 | 3,026 | 90,145 | 9,238 | Feb 26, 2021, 05:33 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 05, 2020 | Tax Payment (Shares) | $60.81 | 205 | 12,466 | 4,760 | Mar 09, 2020, 03:13 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 03, 2020 | Tax Payment (Shares) | $60.81 | 205 | 12,466 | 4,760 | Mar 06, 2020, 03:37 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Mar 01, 2019 | Tax Payment (Shares) | $64.79 | 157 | 10,172 | 3,723 | Mar 04, 2019, 12:00 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Joseph E. Sutaris | EVP & Chief Financial Officer | Jan 08, 2019 | Tax Payment (Shares) | $60.34 | 1,169 | 70,537 | 3,880 | Jan 10, 2019, 02:50 PM |
