SEC Form 4 · accession 0000723188-26-000098
COMMUNITY FINANCIAL SYSTEM, INC. · CBU
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Deresa Fischer Durkee
Officer — SVP, Chief Accounting Officer
Period of report
Jun 10, 2026
Accepted (ET)
Jun 11, 2026 · 4:21 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000723188
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 10, 2026 | M | 427 | $51.64 | A | 5,608 | D | |
| Common Stock | Jun 10, 2026 | M | 1,196 | $44.27 | A | 6,804 | D | |
| Common Stock | Jun 10, 2026 | F | 1,326 | $64.77 | D | 5,478 | D | |
| Common StockF1 | holding | — | — | — | 710 | I | By 401(k) | |
| Common Stock | holding | — | — | — | 218 | I | By spouse |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionF2 | $51.64 | Jun 10, 2026 | M | 427 | D | — | Mar 17, 2030 | Common Stock | 427 | 0 | D |
| Stock OptionF3 | $44.27 | Jun 10, 2026 | M | 1,196 | D | — | Mar 19, 2034 | Common Stock | 1,196 | 1,794 | D |
Explanation of responses
- F1The number of shares reported herein acquired pursuant to Community Financial System, Inc.'s 401(k) Plan and are based on a current plan statement.
- F2The option vested ratably on March 17, 2021, 2022, 2023, 2024, and 2025.
- F3The option vests ratably on March 19, 2025, 2026, 2027, 2028, and 2029.