15 insiders reported 74 Form 4 transactions for COMMUNITY FINANCIAL SYSTEM, INC. (CBU) over the past 18 months (most recent 2026-06-29). Recent activity: Bolus Mark J. (Director) Sell 12,191 shares, Durkee Deresa Fischer (SVP, Chief Accounting Officer) Buy 427 shares, Durkee Deresa Fischer (SVP, Chief Accounting Officer) Buy 1,196 shares, Durkee Deresa Fischer (SVP, Chief Accounting Officer) Sell 1,326 shares, STICKELS ERIC (Director) Sell 2,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-29 | Bolus Mark J. | Director | Sell | 12,191 | $816,786 |
| 2026-06-11 | Durkee Deresa Fischer | SVP, Chief Accounting Officer | Buy | 427 | $22,050 |
| 2026-06-11 | Durkee Deresa Fischer | SVP, Chief Accounting Officer | Buy | 1,196 | $52,947 |
| 2026-06-11 | Durkee Deresa Fischer | SVP, Chief Accounting Officer | Sell | 1,326 | $85,885 |
| 2026-06-10 | STICKELS ERIC | Director | Sell | 2,000 | $127,962 |
| 2026-05-05 | Wlos Marya Burgio | EVP & Chief Financial Officer | Sell | 273 | $17,368 |
| 2026-05-01 | Parente John | Director | Buy | 9 | $0 |
| 2026-05-01 | Pecor Raymond C III | Director | Buy | 9 | $0 |
| 2026-05-01 | STEELE SALLY A | Director | Buy | 9 | $0 |
| 2026-05-01 | Knauss Jeffery J | Director | Buy | 9 | $0 |
| 2026-03-23 | STEELE SALLY A | Director | Buy | 1,254 | $0 |
| 2026-03-23 | Pecor Raymond C III | Director | Buy | 1,254 | $0 |
| 2026-03-23 | Knauss Jeffery J | Director | Buy | 1,254 | $0 |
| 2026-03-23 | Parente John | Director | Buy | 1,254 | $0 |
| 2026-03-17 | STICKELS ERIC | Director | Buy | 250 | $0 |
| 2026-03-06 | Karaivanov Dimitar | President & CEO | Buy | 5,224 | $0 |
| 2026-03-06 | Karaivanov Dimitar | President & CEO | Sell | 2,825 | $169,145 |
| 2026-03-06 | Gillan-Myer Maureen A | EVP, Chief Admin & HR Officer | Buy | 2,562 | $0 |
| 2026-03-06 | Gillan-Myer Maureen A | EVP, Chief Admin & HR Officer | Sell | 943 | $56,461 |
| 2026-03-06 | Abdo Michael N | EVP and General Counsel | Buy | 1,948 | $0 |
| 2026-03-06 | Abdo Michael N | EVP and General Counsel | Sell | 707 | $42,342 |
| 2026-03-04 | Durkee Deresa Fischer | SVP, Chief Accounting Officer | Sell | 357 | $21,616 |
| 2026-03-04 | Karaivanov Dimitar | President & CEO | Sell | 2,501 | $151,436 |
| 2026-03-04 | Durkee Matthew K | SVP, Chief Banking Officer | Sell | 399 | $24,159 |
| 2026-03-04 | Gillan-Myer Maureen A | EVP, Chief Admin & HR Officer | Sell | 522 | $31,607 |
Source: SEC Form 4 filings · as of 2026-06-29