| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For CBU | |||||
| 2026-05-04 | Wlos, Marya Burgio | EVP & Chief Financial Officer | Sold | 273 | $63.62 |
| 2026-04-29 | Steele, Sally A | Director | Sold | 9 | $0.00 |
| 2026-04-29 | Steele, Sally A | Director | Purchased | 9 | $0.00 |
| 2026-04-29 | Knauss, Jeffery J | Director | Purchased | 9 | $0.00 |
| 2026-04-29 | Knauss, Jeffery J | Director | Sold | 9 | $0.00 |
| 2026-04-29 | Parente, John | Director | Sold | 9 | $0.00 |
| 2026-04-29 | Parente, John | Director | Purchased | 9 | $0.00 |
| 2026-04-29 | Pecor, Raymond C Iii | Director | Purchased | 9 | $0.00 |
| 2026-04-29 | Pecor, Raymond C Iii | Director | Sold | 9 | $0.00 |
| 2026-03-19 | Parente, John | Director | Sold | 1254 | $0.00 |
| 2026-03-19 | Parente, John | Director | Purchased | 1254 | $0.00 |
| 2026-03-19 | Sullivan, Michele | Director | Purchased | 447.31 | $55.61 |
| 2026-03-19 | Knauss, Jeffery J | Director | Sold | 1254 | $0.00 |
| 2026-03-19 | Knauss, Jeffery J | Director | Purchased | 1254 | $0.00 |
| 2026-03-19 | Steele, Sally A | Director | Sold | 1254 | $0.00 |
| 2026-03-19 | Steele, Sally A | Director | Purchased | 1254 | $0.00 |
| 2026-03-19 | Vaccaro, John A | Director | Purchased | 314.69 | $55.61 |
| 2026-03-19 | Pecor, Raymond C Iii | Director | Sold | 1254 | $0.00 |
| 2026-03-19 | Pecor, Raymond C Iii | Director | Purchased | 1254 | $0.00 |
| 2026-03-17 | Abdo, Michael N | EVP and General Counsel | Purchased | 1373 | $0.00 |