CBU (Community Financial System, Inc.)
Insider Trading Activity
Every open-market purchase and sale reported by CBU officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-28 | John A Vaccaro | Director | Buy | — | — |
| 2026-08-26 | Brenda M Hall | Director | Buy | — | — |
| 2026-06-29 | Mark J. Bolus | Director | Sell | — | — |
| 2026-06-18 | John A Vaccaro | Director | A | — | — |
| 2026-06-18 | Michele Sullivan | Director | A | — | — |
| 2026-06-11 | Deresa Fischer Durkee | SVP, Chief Accounting Officer | MIXED | — | — |
| 2026-06-10 | ERIC STICKELS | Director | Sell | — | — |
| 2026-05-05 | Marya Burgio Wlos | EVP & Chief Financial Officer | F | — | — |
| 2026-05-01 | Raymond C Pecor III | Director | M | — | — |
| 2026-05-01 | SALLY A STEELE | Director | M | — | — |
| 2026-05-01 | John Parente | Director | M | — | — |
| 2026-05-01 | Jeffery J Knauss | Director | M | — | — |
| 2026-03-23 | Jeffery J Knauss | Director | M | — | — |
| 2026-03-23 | SALLY A STEELE | Director | M | — | — |
| 2026-03-23 | Raymond C Pecor III | Director | M | — | — |
| 2026-03-23 | John Parente | Director | M | — | — |
| 2026-03-19 | Dimitar Karaivanov | President & CEO | A | — | — |
| 2026-03-19 | Marya Burgio Wlos | EVP & Chief Financial Officer | A | — | — |
| 2026-03-19 | Jeffery J Knauss | Director | A | — | — |
| 2026-03-19 | Maureen A Gillan-Myer | EVP, Chief Admin & HR Officer | A | — | — |
| 2026-03-19 | Deresa Fischer Durkee | SVP, Chief Accounting Officer | A | — | — |
| 2026-03-19 | John A Vaccaro | Director | A | — | — |
| 2026-03-19 | Raymond C Pecor III | Director | A | — | — |
| 2026-03-19 | Neil E. Fesette | Director | A | — | — |
| 2026-03-19 | Matthew K Durkee | SVP, Chief Banking Officer | A | — | — |
| 2026-03-19 | Michele Sullivan | Director | A | — | — |
| 2026-03-19 | Michael N Abdo | EVP and General Counsel | A | — | — |
| 2026-03-19 | Mark J. Bolus | Director | A | — | — |
| 2026-03-18 | SALLY A STEELE | Director | A | — | — |
| 2026-03-18 | John Parente | Director | A | — | — |
| 2026-03-18 | Michele Sullivan | Director | A | — | — |
| 2026-03-18 | Brenda M Hall | Director | A | — | — |
| 2026-03-18 | Savneet Singh | Director | A | — | — |
| 2026-03-18 | John A Vaccaro | Director | A | — | — |
| 2026-03-18 | ERIC STICKELS | Director | A | — | — |
| 2026-03-18 | Kerrie D. MacPherson | Director | A | — | — |
| 2026-03-18 | John F. Whipple | Director | A | — | — |
| 2026-03-17 | ERIC STICKELS | Director | M | — | — |
| 2026-03-06 | Michael N Abdo | EVP and General Counsel | MIXED | — | — |
| 2026-03-06 | Dimitar Karaivanov | President & CEO | MIXED | — | — |
| 2026-03-06 | Maureen A Gillan-Myer | EVP, Chief Admin & HR Officer | MIXED | — | — |
| 2026-03-04 | Maureen A Gillan-Myer | EVP, Chief Admin & HR Officer | F | — | — |
| 2026-03-04 | Dimitar Karaivanov | President & CEO | F | — | — |
| 2026-03-04 | Maureen A Gillan-Myer | EVP, Chief Admin & HR Officer | Sell | — | — |
| 2026-03-04 | Matthew K Durkee | SVP, Chief Banking Officer | F | — | — |
| 2026-03-04 | Deresa Fischer Durkee | SVP, Chief Accounting Officer | F | — | — |
| 2026-03-04 | Michael N Abdo | EVP and General Counsel | F | — | — |
| 2026-02-06 | John F. Whipple | Director | MIXED | — | — |
| 2026-02-05 | ERIC STICKELS | Director | Sell | — | — |
| 2026-02-05 | SALLY A STEELE | Director | MIXED | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | Director | 773,356 | — |
| — | Director | 182,371 | — |
| — | President & CEO | 157,574 | — |
| — | Director | 107,213 | — |
| — | Director | 99,998 | — |
| — | Director | 82,654 | — |
| — | Director | 77,579 | — |
| — | Director | 72,745 | — |
| — | Director | 59,118 | — |
| — | EVP, Chief Operating Officer | 57,704 | — |
| — | EVP & Chief Banking Officer | 52,984 | — |
| — | Director | 48,265 | — |
| — | Director | 47,105 | — |
| — | Director | 45,812 | — |
| — | Executive VP & General Counsel | 40,708 | — |
| — | EVP & Chief Financial Officer | 31,025 | — |
| — | Director | 29,357 | — |
| — | President & CEO | 26,960 | — |
| — | Director | 24,286 | — |
| — | Director | 22,726 | — |
| — | President, Retail Banking | 15,111 | — |
| — | Director | 14,800 | — |
| — | SVP, Chief Banking Officer | 12,746 | — |
| — | SVP & Chief Banking Officer | 12,716 | — |
| — | Director | 11,677 | — |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the CBU quote page; the site-wide leaderboard is on the insider transactions hub.