| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Mark J. Bolus | Director | Apr 14, 2025 | Option/RSU Exercise | - | 12 | - | 103,828 | Apr 16, 2025, 03:41 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Mark J. Bolus | Director | Mar 19, 2025 | Option/RSU Exercise | - | 1,430 | - | 103,816 | Mar 20, 2025, 11:34 AM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Mark J. Bolus | Director | Jan 15, 2025 | Option/RSU Exercise | - | 712 | - | 101,769 | Jan 17, 2025, 03:44 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Mark J. Bolus | Director | Nov 06, 2024 | Option/RSU Exercise | $36.74 | 4,092 | 150,340 | 103,020 | Nov 07, 2024, 03:46 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Mark J. Bolus | Director | Nov 06, 2024 | Sale | $70.06 | 4,092 | 286,686 | 100,828 | Nov 07, 2024, 03:46 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Feb 21, 2024 | Option/RSU Exercise | $37.77 | 3,631 | 137,143 | 99,995 | Feb 23, 2024, 02:43 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Feb 21, 2024 | Sale | $45.00 | 3,631 | 163,395 | 96,364 | Feb 23, 2024, 02:43 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Mar 13, 2023 | Option/RSU Exercise | $29.79 | 468 | 13,942 | 85,621 | Mar 14, 2023, 06:31 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Mar 13, 2023 | Sale | $52.87 | 468 | 24,745 | 85,153 | Mar 14, 2023, 06:31 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Dec 15, 2022 | Option/RSU Exercise | $59.77 | 591 | 35,324 | 83,465 | Dec 19, 2022, 03:30 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Dec 15, 2021 | Option/RSU Exercise | $73.32 | 899 | 65,915 | 81,126 | Dec 17, 2021, 03:46 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Feb 26, 2021 | Option/RSU Exercise | $28.78 | 4,566 | 131,409 | 84,793 | Mar 02, 2021, 05:29 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Feb 26, 2021 | Sale | $72.02 | 4,566 | 328,858 | 80,227 | Mar 02, 2021, 05:29 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Dec 15, 2020 | Option/RSU Exercise | $65.65 | 622 | 40,834 | 78,633 | Dec 17, 2020, 12:57 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Oct 30, 2020 | Sale | $57.78 | 2,640 | 152,547 | 78,010 | Nov 02, 2020, 05:06 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Oct 30, 2020 | Option/RSU Exercise | $27.36 | 2,640 | 72,230 | 80,650 | Nov 02, 2020, 05:06 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Sep 30, 2020 | Option/RSU Exercise | $27.36 | 1,210 | 33,106 | 79,220 | Oct 01, 2020, 02:23 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Sep 30, 2020 | Sale | $55.00 | 1,210 | 66,550 | 78,010 | Oct 01, 2020, 02:23 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Jan 15, 2020 | Option/RSU Exercise | - | 6,442 | - | 76,590 | Jan 17, 2020, 03:03 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Jun 27, 2018 | Sale | $60.38 | 3,693 | 223,002 | 66,759 | Jul 02, 2018, 05:31 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Mar 20, 2018 | Option/RSU Exercise | - | 566 | - | 71,018 | Apr 18, 2018, 09:10 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Jan 15, 2018 | Option/RSU Exercise | - | 1,224 | - | 70,452 | Apr 18, 2018, 09:06 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Jan 02, 2017 | Option/RSU Exercise | - | 3,694 | - | 67,449 | Apr 18, 2018, 09:04 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Mar 20, 2018 | Option/RSU Exercise | - | 584 | - | 73,224 | Mar 22, 2018, 08:40 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Jan 15, 2018 | Option/RSU Exercise | - | 1,184 | - | 72,641 | Jan 16, 2018, 05:27 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Mark J. Bolus | Director | Jan 02, 2017 | Option/RSU Exercise | - | 5,922 | - | 69,678 | Jan 03, 2017, 05:33 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Mark J. Bolus | Director | Dec 29, 2012 | Option/RSU Exercise | - | 4,566 | - | 56,885 | Jan 02, 2013, 03:50 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Mark J. Bolus | Director | Jan 30, 2012 | Buy | $27.00 | 200 | 5,400 | 50,860 | Jan 31, 2012, 09:07 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Mark J. Bolus | Director | Jan 06, 2011 | Option/RSU Exercise | - | 2,070 | - | 48,297 | Jan 10, 2011, 02:47 PM |
