| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Sally A. Steele | Director | Apr 15, 2025 | Option/RSU Exercise | - | 1,181 | - | 39,964 | Apr 16, 2025, 05:21 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Sally A. Steele | Director | Jan 13, 2025 | Option/RSU Exercise | - | 28 | - | 38,783 | Jan 14, 2025, 04:45 PM |
| CBU | | COMMUNITY FINANCIAL SYSTEM, INC. | Sally A. Steele | Director | Jan 02, 2025 | Option/RSU Exercise | - | 3,663 | - | 38,755 | Jan 06, 2025, 02:34 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Apr 12, 2024 | Option/RSU Exercise | - | 1,464 | - | 35,092 | Apr 16, 2024, 02:45 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 29, 2024 | Sale | $48.76 | 3,501 | 170,709 | 33,634 | Jan 29, 2024, 02:50 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 02, 2024 | Option/RSU Exercise | - | 3,501 | - | 37,135 | Jan 04, 2024, 10:02 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Dec 26, 2023 | Sale | $53.05 | 9,400 | 498,670 | 33,634 | Dec 27, 2023, 03:55 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 15, 2023 | Option/RSU Exercise | - | 662 | - | 43,034 | Mar 17, 2023, 12:47 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 15, 2023 | Buy | $53.46 | 2,000 | 106,923 | 4,585 | Mar 16, 2023, 09:58 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 03, 2023 | Option/RSU Exercise | - | 3,366 | - | 42,372 | Jan 04, 2023, 01:37 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Aug 18, 2022 | Gift | - | 500 | - | 39,006 | Aug 22, 2022, 02:18 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | May 23, 2022 | Sale | $65.30 | 2,000 | 130,598 | 39,506 | May 23, 2022, 01:23 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Apr 28, 2022 | Sale | $66.52 | 10,000 | 665,168 | 41,506 | Apr 28, 2022, 04:59 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Apr 15, 2022 | Option/RSU Exercise | - | 582 | - | 51,506 | Apr 19, 2022, 03:03 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 02, 2022 | Sale | $73.23 | 3,275 | 239,844 | 50,924 | Mar 03, 2022, 03:43 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 03, 2022 | Option/RSU Exercise | - | 3,276 | - | 54,199 | Jan 05, 2022, 04:23 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Oct 28, 2021 | Option/RSU Exercise | - | 180 | - | 50,923 | Nov 01, 2021, 03:50 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 17, 2021 | Option/RSU Exercise | - | 681 | - | 50,743 | Mar 18, 2021, 05:00 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Feb 12, 2021 | Sale | $70.01 | 3,195 | 223,695 | 50,062 | Feb 12, 2021, 05:44 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 04, 2021 | Option/RSU Exercise | - | 3,196 | - | 53,257 | Jan 06, 2021, 12:00 AM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Dec 15, 2020 | Sale | $65.40 | 10,240 | 669,697 | 50,062 | Dec 17, 2020, 05:13 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Apr 15, 2020 | Option/RSU Exercise | - | 590 | - | 60,302 | Apr 16, 2020, 01:56 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 01, 2020 | Option/RSU Exercise | - | 3,110 | - | 59,712 | Jan 03, 2020, 03:44 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Dec 02, 2019 | Sale | $67.66 | 3,631 | 245,661 | 56,602 | Dec 03, 2019, 03:05 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Dec 02, 2019 | Option/RSU Exercise | $37.77 | 3,631 | 137,143 | 60,233 | Dec 03, 2019, 03:05 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | May 24, 2019 | Gift | - | 618 | - | 2,585 | Jun 19, 2019, 02:16 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 18, 2019 | Option/RSU Exercise | - | 625 | - | 56,602 | Mar 20, 2019, 04:50 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 01, 2019 | Option/RSU Exercise | - | 3,032 | - | 55,976 | Jan 03, 2019, 03:17 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 20, 2018 | Option/RSU Exercise | - | 563 | - | 52,944 | Mar 22, 2018, 09:09 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 01, 2018 | Option/RSU Exercise | - | 2,953 | - | 55,219 | Jan 03, 2018, 05:01 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Apr 15, 2017 | Option/RSU Exercise | - | 1,770 | - | 52,266 | Apr 17, 2017, 05:05 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 06, 2017 | Gift | - | 868 | - | 50,496 | Mar 16, 2017, 06:11 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 01, 2017 | Option/RSU Exercise | - | 2,884 | - | 49,628 | Jan 03, 2017, 05:40 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Nov 21, 2016 | Sale | $54.88 | 4,631 | 254,126 | 46,744 | Nov 22, 2016, 01:41 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Nov 21, 2016 | Option/RSU Exercise | $29.79 | 4,631 | 137,957 | 51,375 | Nov 22, 2016, 01:41 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Aug 30, 2016 | Tax Payment (Shares) | $46.90 | 5,721 | 268,315 | 46,744 | Sep 01, 2016, 05:00 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Aug 30, 2016 | Option/RSU Exercise | $28.13 | 8,416 | 236,745 | 52,465 | Sep 01, 2016, 05:00 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 01, 2016 | Option/RSU Exercise | - | 2,795 | - | 44,049 | Mar 17, 2016, 04:06 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jan 01, 2016 | Option/RSU Exercise | - | 2,880 | - | 44,134 | Jan 05, 2016, 02:14 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Jul 13, 2015 | Gift | - | 1,967 | - | 41,254 | Jul 14, 2015, 04:19 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 31, 2014 | Option/RSU Exercise | $21.07 | 8,288 | 174,657 | 47,575 | Mar 31, 2014, 05:53 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Mar 31, 2014 | Sale | $38.98 | 8,288 | 323,046 | 39,287 | Mar 31, 2014, 05:53 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Oct 25, 2013 | Option/RSU Exercise | $24.31 | 6,902 | 167,818 | 46,189 | Oct 28, 2013, 04:54 PM |
| CBU | | COMMUNITY BANK SYSTEM, INC. | Sally A. Steele | Director | Oct 25, 2013 | Sale | $36.72 | 6,902 | 253,424 | 39,287 | Oct 28, 2013, 04:54 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Sally A. Steele | Director | Aug 28, 2012 | Sale | $28.03 | 4,643 | 130,142 | 39,285 | Aug 29, 2012, 02:21 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Sally A. Steele | Director | Aug 27, 2012 | Option/RSU Exercise | $18.09 | 5,636 | 101,953 | 44,921 | Aug 29, 2012, 02:21 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Sally A. Steele | Director | Aug 27, 2012 | Sale | $28.04 | 5,636 | 158,028 | 39,285 | Aug 29, 2012, 02:21 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Sally A. Steele | Director | Aug 28, 2012 | Option/RSU Exercise | $18.08 | 4,643 | 83,945 | 43,928 | Aug 29, 2012, 02:21 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Sally A. Steele | Director | Aug 20, 2012 | Sale | $28.10 | 6,807 | 191,264 | 39,385 | Aug 21, 2012, 04:35 PM |
| CBU | | COMMUNITY BANK SYSTEM INC | Sally A. Steele | Director | Aug 18, 2011 | Buy | $22.09 | 1,000 | 22,094 | 46,092 | Aug 19, 2011, 02:54 PM |