GREENE COUNTY BANCORP (GCBC) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
GREENE COUNTY BANCORP insider trading at a glance (Oct 9, 2026): in the past 12 months, 8 insiders bought $630K and 1 sold $288K of GCBC stock on the open market, including a cluster buy that began Mar 5, 2026.
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GCBC insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | $100K | 3 | $288K | 1 |
| Q1 2026 | $256K | 5 | — | 0 |
| Q4 2025 | $292K | 19 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 8 GREENE COUNTY BANCORP INC insiders reported open-market purchases totaling $630K, while 1 insider reported sales totaling $288K. The most recent cluster buy began on Mar 5, 2026, when 3 insiders bought a combined $227K. Among insiders with enough purchase history to measure, Tejraj S Hada (Director) has the highest Insider Score at 67. 0 of 1 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Jun 15SEC | Michelle M PlummerDirector | Sell | 10,00099,560 held (−9%) | $28.77 | $288K | +17.0% | — |
| Apr 28SEC | John BrustDirector | Buy | 2,0416,221 held (+49%) | $24.50 | $50K | +37.3% | — |
| Apr 28SEC | John BrustDirector | Buy | 1,0404,180 held (+33%) | $24.06 | $25K | +39.9% | — |
| Apr 28SEC | John BrustDirector | Buy | 1,0403,140 held (+50%) | $24.05 | $25K | +39.9% | — |
| Mar 18SEC | Tejraj S HadaDirector | Buy | 4,00035,427 held (+13%) | $21.95 | $88K | +53.3% | 67 |
| Mar 18SEC | Peter W. HoganDirector | Buy | 3,00075,000 held (+4%) | $22.10 | $66K | +52.3% | — |
| Mar 18SEC | Tejraj S HadaDirector | Buy | 2,00031,427 held (+7%) | $21.99 | $44K | +53.0% | 67 |
| Mar 5SEC | Nick BarzeeCFO | Buy | 1,2804,520 held (+40%) | $22.55 | $29K | +49.2% | — |
| Mar 3SEC | Christopher CannucciariDirector | Buy | 1,3004,378 held (+42%) | $22.05 | $29K | +52.6% | 52 |
| Nov 24SEC | Tejraj S HadaDirector | Buy | 1,00029,191 held (+4%) | $21.95 | $22K | +53.3% | 67 |
| Nov 19SEC | Tejraj S HadaDirector | Buy | 3,00027,923 held (+12%) | $21.96 | $66K | +53.2% | 67 |
| Nov 19SEC | John AntalekGeneral Counsel | Buy | 1,5007,567 held (+25%) | $22.00 | $33K | +53.0% | — |
| Nov 17SEC | Tejraj S HadaDirector | Buy | 36624,923 held (+1%) | $22.00 | $8K | +53.0% | 67 |
| Nov 6SEC | Tejraj S HadaDirector | Buy | 1,50024,557 held (+7%) | $22.52 | $34K | +49.4% | 67 |
| Nov 6SEC | Tejraj S HadaDirector | Buy | 4523,057 held (+0%) | $22.20 | $999 | +51.6% | 67 |
| Nov 4SEC | Tejraj S HadaDirector | Buy | 23523,012 held (+1%) | $21.80 | $5K | +54.4% | 67 |
| Oct 30SEC | Christopher CannucciariDirector | Buy | 7062,655 held (+36%) | $22.91 | $16K | +46.9% | 52 |
| Oct 30SEC | Donald E GibsonCEO, President | Buy | 500new position | $22.00 | $11K | +53.0% | — |
| Oct 30SEC | Donald E GibsonCEO, President | Buy | 5001,000 held (+100%) | $21.75 | $11K | +54.7% | — |
| Oct 30SEC | Christopher CannucciariDirector | Buy | 4233,078 held (+16%) | $22.79 | $10K | +47.7% | 52 |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 1,70033,675 held (+5%) | $22.82 | $39K | +47.5% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 81035,424 held (+2%) | $22.58 | $18K | +49.0% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 60031,874 held (+2%) | $22.75 | $14K | +47.9% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 50034,212 held (+1%) | $22.67 | $11K | +48.4% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 40234,614 held (+1%) | $22.72 | $9K | +48.1% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 15031,274 held (+0%) | $22.69 | $3K | +48.3% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 10131,975 held (+0%) | $22.78 | $2K | +47.7% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 2733,702 held (+0%) | $22.60 | $610 | +48.9% | — |
| Oct 24SEC | Jay P. CahalanDirector | Buy | 1033,712 held (+0%) | $22.62 | $226 | +48.8% | — |
Insiders at GREENE COUNTY BANCORP INC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Tejraj S HadaDirector | $268K | — | Mar 18, 2026 | 67 |
| John BrustDirector | $100K | — | Apr 28, 2026 | — |
| Jay P. CahalanDirector | $98K | — | Oct 24, 2025 | — |
| Michelle M PlummerDirector | — | $288K | Jun 15, 2026 | — |
| Peter W. HoganDirector | $66K | — | Mar 18, 2026 | — |
| Christopher CannucciariDirector | $54K | — | Mar 3, 2026 | 52 |
| John AntalekGeneral Counsel | $33K | — | Nov 19, 2025 | — |
| Nick BarzeeCFO | $29K | — | Mar 5, 2026 | — |
| Donald E GibsonCEO, President | $22K | — | Oct 30, 2025 | — |
GCBC stock: common questions
Are GREENE COUNTY BANCORP INC insiders buying GCBC stock?
In the past 12 months, 8 insiders reported open-market purchases of GCBC worth $630K. The latest was Director John Brust bought $50K of GCBC at $24.50 — largest purchase by this insider in our records; raises the stake by 49%.
Are GREENE COUNTY BANCORP INC insiders selling GCBC stock?
1 insiders reported sales worth $288K over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is GCBC's 52-week range?
Over the past year GCBC has traded between $21.16 and $36.02. It last closed at $33.65 on Oct 9, 2026.