The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Gillan-myer Maureen A since 2026.
This trader's CIK number is 1670754.
At the time of last reporting, Gillan-myer Maureen A was the EVP, Chief Admin & HR Officer of Community Financial System, Inc.. (stock ticker symbol CBU).
Also see all insider trading activities at Community Financial System, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CBU | 0 | $0 | 3,450 | $203,032 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-12-29 | CBU | Sale | 3,450 | 58.85 | 203,032 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Gillan-myer Maureen A (EVP, Chief Admin & HR Officer of Community Financial System, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.