Gillan-Myer Maureen A (CIK 1670754) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-06). Recent activity: Buy CBU (2,562 shares), Sell CBU (943 shares), Sell CBU (522 shares), Sell CBU (3,450 shares), Buy CBU (4,553 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Buy | 2,562 | $0 |
| 2026-03-06 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Sell | 943 | $56,461 |
| 2026-03-04 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Sell | 522 | $31,607 |
| 2026-03-04 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Sell | 3,450 | $203,054 |
| 2025-03-19 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Buy | 4,553 | $0 |
| 2025-03-19 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Buy | 1,233 | $0 |
| 2025-03-13 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Sell | 532 | $0 |
| 2025-03-11 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Buy | 1,472 | $0 |
| 2025-03-04 | COMMUNITY FINANCIAL SYSTEM, INC. (CBU) | EVP, Chief Admin & HR Officer | Sell | 444 | $28,101 |
Source: SEC Form 4 filings · as of 2026-03-06