Form4.ai tracks every SEC insider trade in real time. See every CBU insider filing with a free account — no card.
See every CBU insider filing — free account, no card.
Free accountCOMMUNITY FINANCIAL SYSTEM, INC. (CBU) has 5 SEC Form 4 insider filings on record in the last 90 days. That includes 3 insider purchases totalling $75K. Most recent filing: Sept. 18, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Sep 10, 2026 SEC filing | Singh Savneet Director | Bought | $24,988 | -5.4% 30D |
| Aug 28, 2026 SEC filing | Vaccaro John A Director | Bought | $20,006 | -4.2% 30D |
| Aug 26, 2026 SEC filing | Hall Brenda M Director | Bought | $30,271 | -4.6% 30D |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.