GCBC insider buying

4 cluster buys

GREENE COUNTY BANCORP INC · Financials

When two or more insiders at GREENE COUNTY BANCORP INC buy GCBC on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in GCBC plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters
4
Distinct insiders
8
Total bought
$1.1M
Market cap
$587.4M

Detected clusters

  • Mar 2 – Mar 18, 2026
    Detected Mar 18, 2026
    High conviction4 insiders
    Total bought
    $255.6K
    Market cap
    $587.4M
  • Oct 24 – Nov 18, 2025
    Detected Nov 18, 2025
    High conviction5 insiders
    Total bought
    $292.3K
    Market cap
    $587.4M
  • Jan 31 – May 14, 2025
    Detected May 14, 2025
    High conviction5 insiders
    Total bought
    $480.4K
    Market cap
    $587.4M

1 more cluster in GCBC

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All notable open-market buys in GCBC

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

DateInsiderSharesPriceValueFiling
Mar 18, 2026
Director
4,000$21.95$87.8KSEC ↗
Mar 18, 2026
Director
3,000$22.10$66.3KSEC ↗
Mar 17, 2026
Director
2,000$21.99$44.0KSEC ↗
Mar 5, 2026
SVP and CFO
1,280$22.55$28.9KSEC ↗
Mar 2, 2026
Director
1,300$22.05$28.7KSEC ↗
Nov 18, 2025
Director
3,000$21.96$65.9KSEC ↗
Nov 18, 2025
EVP and CLO
1,500$22.00$33.0KSEC ↗
Nov 14, 2025
Director
366$22.00$8.1KSEC ↗
Nov 5, 2025
Director
1,500$22.52$33.8KSEC ↗
Nov 4, 2025
Director
45$22.20$999.0SEC ↗
Nov 3, 2025
Director
235$21.80$5.1KSEC ↗
Oct 29, 2025
Director, President and CEO
500$22.00$11.0KSEC ↗
Oct 29, 2025
Director, President and CEO
500$21.75$10.9KSEC ↗
Oct 29, 2025
Director
423$22.79$9.6KSEC ↗
Oct 28, 2025
Director
706$22.91$16.2KSEC ↗
Oct 24, 2025
Director
1,700$22.82$38.8KSEC ↗
Oct 24, 2025
Director
810$22.58$18.3KSEC ↗
Oct 24, 2025
Director
600$22.75$13.7KSEC ↗
Oct 24, 2025
Director
500$22.67$11.3KSEC ↗
Oct 24, 2025
Director
402$22.72$9.1KSEC ↗
Oct 24, 2025
Director
150$22.69$3.4KSEC ↗
Oct 24, 2025
Director
101$22.78$2.3KSEC ↗
Oct 24, 2025
Director
27$22.60$610.2SEC ↗
Oct 24, 2025
Director
10$22.62$226.2SEC ↗
May 14, 2025
Director
6,612$22.95$151.7KSEC ↗
15 earlier buys hidden — sign in free to see the full history.

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GCBC insider buying — FAQ

Are insiders buying GCBC stock?
Yes — 8 distinct insiders have bought GCBC (GREENE COUNTY BANCORP INC) on the open market, including 4 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Mar 18, 2026.
How much GCBC stock have insiders bought?
Insiders have bought a combined $1.1M of GCBC across 40 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in GCBC?
A cluster buy is two or more distinct GREENE COUNTY BANCORP INC insiders — officers, directors, or 10% owners — each buying GCBC on the open market within a rolling window. GCBC has 4 detected cluster buys to date.
Where does this GCBC insider trading data come from?
Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in GCBC

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy GCBC within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding GCBC.