| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | COMMUNITY BANK SYSTEM, INC. | 6,596,018 | 12.4% | EDGAR |
| SC 13G | 2024-02-12 | Neuberger Berman Group LLC | COMMUNITY BANK SYSTEM, INC. | 3,157,798 | 5.9% | EDGAR |
| SC 13G/A | 2024-01-24 | STATE STREET CORP | COMMUNITY BANK SYSTEM, INC. | - | 7.2% | EDGAR |
| SC 13G/A | 2024-01-23 | BlackRock Inc. | COMMUNITY BANK SYSTEM, INC. | 7,595,180 | 14.2% | EDGAR |
| SC 13G/A | 2023-02-10 | Neuberger Berman Group LLC | COMMUNITY BANK SYSTEM, INC. | 2,508,375 | 4.7% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | COMMUNITY BANK SYSTEM, INC. | 6,654,033 | 12.4% | EDGAR |
| SC 13G/A | 2023-02-08 | STATE STREET CORP | COMMUNITY BANK SYSTEM, INC. | - | 9.7% | EDGAR |
| SC 13G/A | 2023-01-26 | BlackRock Inc. | COMMUNITY BANK SYSTEM, INC. | 7,881,728 | 14.7% | EDGAR |
| SC 13G/A | 2023-01-20 | BlackRock Inc. | COMMUNITY BANK SYSTEM, INC. | 7,881,728 | 14.7% | EDGAR |
| SC 13G/A | 2022-05-10 | STATE STREET CORP | COMMUNITY BANK SYSTEM, INC. | - | 10.3% | EDGAR |
| SC 13G/A | 2022-02-11 | STATE STREET CORP | COMMUNITY BANK SYSTEM, INC. | - | 8.1% | EDGAR |
| SC 13G | 2022-02-11 | Neuberger Berman Group LLC | COMMUNITY BANK SYSTEM, INC. | 2,730,455 | 5.1% | EDGAR |
| SC 13G/A | 2022-02-09 | VANGUARD GROUP INC | COMMUNITY BANK SYSTEM, INC. | 6,330,728 | 11.7% | EDGAR |
| SC 13G/A | 2022-01-27 | BlackRock Inc. | COMMUNITY BANK SYSTEM, INC. | 7,892,484 | 14.6% | EDGAR |
| SC 13G | 2022-01-25 | BlackRock Inc. | COMMUNITY BANK SYSTEM, INC. | 7,892,484 | 14.6% | EDGAR |
| SC 13G | 2021-02-11 | STATE STREET CORP | COMMUNITY BANK SYSTEM, INC. | - | 7.9% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | COMMUNITY BANK SYSTEM, INC. | 5,934,930 | 11.1% | EDGAR |
| SC 13G/A | 2021-01-26 | BlackRock Inc. | COMMUNITY BANK SYSTEM, INC. | 7,892,718 | 14.7% | EDGAR |
| SC 13G | 2020-02-13 | STATE STREET CORP | COMMUNITY BANK SYSTEM, INC. | - | 7.7% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | COMMUNITY BANK SYSTEM, INC. | 6,078,465 | 11.8% | EDGAR |