GREENE COUNTY BANCORP INC (GCBC) has 195 open-market insider trades by 18 insiders since 2005. Over the last six months insiders net sold $188K. The most active filer is Donald E. Gibson, CEO & President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Michelle M. Plummer | Dir | — | 8 | $1.5M | 2026-06-11 |
| Donald E. Gibson | CEOPres | — | 52 | $1.1M | 2025-10-29 |
| Jay P. Cahalan | Dir | — | 24 | $1.0M | 2025-10-24 |
| Tejraj S. Hada | Dir | — | 13 | $934K | 2026-03-18 |
| Paul Slutzky | Dir | — | 23 | $742K | 2022-06-01 |
| Stephen E. Nelson | Dir | — | 17 | $730K | 2023-01-27 |
| Peter W. Hogan | Dir | — | 24 | $722K | 2026-03-18 |
| Arthur Place | Dir | — | 6 | $137K | 2012-08-31 |
| Nick Barzee | SVP and CFO | — | 4 | $109K | 2026-03-05 |
| J. Bruce Whittaker | Dir | — | 1 | $105K | 2012-02-15 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Michelle M. Plummer | Director | Sell | $288K | 2026-06-11 |
| John Brust | Director | Buy | $100K | 2026-04-27 |
| Peter W. Hogan | Director | Buy | $66K | 2026-03-18 |
| Tejraj S. Hada | Director | Buy | $132K | 2026-03-17 |
| Nick Barzee | SVP and CFO | Buy | $29K | 2026-03-05 |
| Christopher Cannucciari | Director | Buy | $29K | 2026-03-02 |
Companies that share insiders with GCBC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Tejraj S. Hada | Director | Buy | $66K | 2025-11-18 |
| John Antalek | EVP and CLO | Buy | $33K | 2025-11-18 |
| Tejraj S. Hada | Director | Buy | $8K | 2025-11-14 |
| Tejraj S. Hada | Director | Buy | $35K | 2025-11-04 |
| Tejraj S. Hada | Director | Buy | $5K | 2025-11-03 |
| Donald E. Gibson | President | Buy | $22K | 2025-10-29 |
| Christopher Cannucciari | Director | Buy | $26K | 2025-10-28 |
| Jay P. Cahalan | Director | Buy | $98K | 2025-10-24 |
| Tejraj S. Hada | Director | Buy | $312K | 2025-05-14 |