NASDAQ:GCBC

Greene County Bancorp Stock Insider Trading

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*Your capital is at risk
$25.56
-0.340 (-1.31%)
At Close: Jun 03, 2026

Greene County Bancorp Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 97.66. In total, the insiders bought 329.14K and sold 293.69K GCBC shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
97.66
Buy 329.14K shares
Sell 293.69K shares
80% Buy Activity
Strong Negative Correlation
Buy Signal High Confidence
Apr 27, 2026

Analysis Breakdown:

  • Strongly supported by a very high Insider Power Score of 97.66.
  • Confidence increased due to high data reliability score of 100.
  • Supported by overwhelming buy-side pressure (80% buys).

Historical Insider Trades

Date Type Person Role Amount
Jun 17, 2024
Sell
Common Stock
S-Sale
Plummer Michelle M
Sevp, CFO & COO
C-Suite Officer 200
Value: $6K
Jun 17, 2024
Sell
Common Stock
S-Sale
Plummer Michelle M
Sevp, CFO & COO
C-Suite Officer 200
Value: $6K
Jun 13, 2024
Sell
Common Stock
S-Sale
Plummer Michelle M
Sevp, CFO & COO
C-Suite Officer 3 154
Value: $95.6K
Jun 13, 2024
Sell
Common Stock
S-Sale
Plummer Michelle M
Sevp, CFO & COO
C-Suite Officer 3 154
Value: $95.6K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 2 345
Value: $74.3K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 1 515
Value: $48.0K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 1 455
Value: $46.0K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 1 745
Value: $55.2K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 1 745
Value: $55.2K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 1 455
Value: $46.0K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 2 345
Value: $74.3K
May 15, 2024
Sell
Common Stock
S-Sale
Cahalan Jay P.
Director
Director 1 515
Value: $48.0K
Nov 21, 2023
Buy
Common Stock
Antalek John
EVP And Clo
Officer 0
Value: $0
Nov 21, 2023
Buy
Common Stock
Antalek John
EVP And Clo
Officer 0
Value: $0
Nov 21, 2023
Buy
Common Stock
Antalek John
EVP And Clo
Officer 0
Value: $0
Nov 21, 2023
Buy
Common Stock
Antalek John
EVP And Clo
Officer 0
Value: $0
Nov 21, 2023
Buy
Common Stock
Antalek John
EVP And Clo
Officer 0
Value: $0
Nov 21, 2023
Buy
Common Stock
Antalek John
EVP And Clo
Officer 0
Value: $0
Sep 18, 2023
Buy
Common Stock
P-Purchase
Hada Tejraj S
Director
Director 1 000
Value: $24.5K
Sep 18, 2023
Buy
Common Stock
P-Purchase
Hada Tejraj S
Director
Director 1 000
Value: $24.5K
Aug 14, 2023
Sell
Common Stock
S-Sale
Gibson Donald E
President And CEO
CEO / President 537
Value: $19.2K
Aug 14, 2023
Sell
Common Stock
S-Sale
Gibson Donald E
President And CEO
CEO / President 537
Value: $19.2K
Aug 04, 2023
Sell
Common Stock
S-Sale
Gibson Donald E
President And CEO
CEO / President 1 892
Value: $65.3K
Aug 04, 2023
Sell
Common Stock
S-Sale
Gibson Donald E
President And CEO
CEO / President 1 764
Value: $61.3K
Nov 20, 2005
Buy
Common Stock
P-Purchase
Hada Tejraj S
Director
Director 1 000
Value: $22.0K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT GREENE COUNTY BANCORP
Greene County Bancorp
Greene County Bancorp, Inc. operates as a holding company for The Bank of Greene County that provides various financial services in the United States. Its deposit products include savings, NOW accounts, money market accounts, certificates of deposit, non-interest bearing checking accounts, and individual retirement accounts. The company's loan portfolio consists of residential, construction and land, and multifamily mortgage loans; commercial rea...
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