Donald E. Gibson is CEO & President at GREENE COUNTY BANCORP INC (GCBC). They have made 52 open-market trades across 1 company since 2007, most recently 2025-10-29.
CIK 0001405640
47 open-market purchases totalling $470K since 2007, against 5 sales. Across 47 scored buys the stock is up 8.1% at ninety days, and 3.9 points ahead of the S&P over the same stretch.
47 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| GCBC | 500 | $17K |
Shares reported on the most recent Form 4, priced at the 2025-10-30 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 53% | 45% | 55% |
| Avg Move | +0.8% | +2.5% | +8.1% |
| Alpha | +1.5% | +1.4% | +3.9% |
| Scored | 47 | 47 | 47 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GCBC | BUY | 2025-10-29 | 2025-10-30 | $21.88 | $22K | +3.8% | +3.0% | -0.6% |
| GCBC | SELL | 2023-08-14 | 2023-08-16 | $35.70 | $19K | -13.7% | -23.6% | -27.7% |
| GCBC | SELL | 2023-08-04 | 2023-08-07 | $34.62 | $127K | -0.1% | -16.1% | -25.9% |
| GCBC | SELL | 2023-07-28 | 2023-08-01 | $34.50 | $4K | +7.8% | -13.5% | -28.7% |
| GCBC | BUY | 2022-06-13 | 2022-06-14 | $44.48 | $43K | -3.1% | +0.0% | +27.7% |
| GCBC | BUY | 2022-06-10 | 2022-06-13 | $45.00 | $2K | -0.9% | +12.0% | +34.2% |
| GCBC | SELL | 2022-05-31 | 2022-06-01 | $56.00 | $224K | -19.7% | -14.5% | -3.3% |
| GCBC | SELL | 2022-05-27 | 2022-05-31 | $55.00 | $275K | -19.3% | -19.1% | -4.9% |
| GCBC | BUY | 2021-11-26 | 2021-11-29 | $33.01 | $7K | -0.6% | +7.8% | +21.5% |
| GCBC | BUY | 2020-09-18 | 2020-09-21 | $22.28 | $22K | -6.4% | +0.9% | +13.7% |
| GCBC | BUY | 2020-08-11 | 2020-08-12 | $22.00 | $11K | +0.3% | -2.6% | +19.8% |
| GCBC | BUY | 2020-06-22 | 2020-06-22 | $22.05 | $8K | +1.2% | -0.6% | -1.8% |
| GCBC | BUY | 2020-06-11 | 2020-06-12 | $22.01 | $22K | -1.2% | -4.3% | +3.2% |
| GCBC | BUY | 2020-05-13 | 2020-05-14 | $20.38 | $12K | +11.3% | +10.6% | +7.9% |
| GCBC | BUY | 2020-05-01 | 2020-05-04 | $20.51 | $6K | -10.0% | -3.1% | -4.2% |
| GCBC | BUY | 2020-03-12 | 2020-03-13 | $17.67 | $7K | +18.8% | +16.8% | -2.1% |
| GCBC | BUY | 2020-02-28 | 2020-03-03 | $27.96 | $10K | -24.1% | -14.9% | -18.4% |
| GCBC | BUY | 2020-02-06 | 2020-02-10 | $29.36 | $4K | -2.4% | -17.2% | -25.6% |
| GCBC | BUY | 2019-10-28 | 2019-10-28 | $27.00 | $27K | +1.9% | +4.5% | +8.8% |
| GCBC | BUY | 2019-09-06 | 2019-09-09 | $26.99 | $5K | +0.8% | +0.4% | +0.7% |
| GCBC | BUY | 2019-08-05 | 2019-08-07 | $26.63 | $2K | +0.2% | -0.8% | +0.0% |
| GCBC | BUY | 2019-05-29 | 2019-05-30 | $30.00 | $6K | -1.1% | -2.9% | -11.7% |
| GCBC | BUY | 2019-02-21 | 2019-02-22 | $31.99 | $6K | -3.1% | -1.8% | -5.5% |
| GCBC | BUY | 2019-01-28 | 2019-01-29 | $30.97 | $22K | +4.3% | +1.6% | -0.4% |
| GCBC | BUY | 2018-05-17 | 2018-05-21 | $30.78 | $10K | -0.5% | -3.2% | +14.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.