Durkee Matthew K (CIK 1707871) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-04). Recent activity: Sell CBU (399 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-04 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | SVP, Chief Banking Officer | Sell | 399 | $24,159 |
Source: SEC Form 4 filings · as of 2026-03-04