GCBC · Greene County Bancorp Inc · Insider Trading
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Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-11-09 | PLUMMER MICHELLE M |
Director, SEVP, CFO & COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price covered in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.50 - $35.92, inclusive. The reporting person undertakes to provide to Greene Bancorp, Inc., any security holder of Greene Bancorp, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the rate set forth in this footnote. |
Common Stock
|
10,000 |
| 2026-06-11 | PLUMMER MICHELLE M |
Director, SEVP, CFO & COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price covered in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.58-$29.34, inclusive. The reporting person undertakes to provide to Greene County Bancorp, Inc., any security holder of Greene County Bancorp, Inc., of the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the rate set forth in this footnote. |
Common Stock
|
10,000 |
| 2026-04-28 | Brust John |
Director |
Buy↑
|
Common Stock
(I)
|
2,041 |
| 2026-04-27 | Brust John |
Director |
Buy↑
|
Common Stock
(I)
|
1,040 |
| 2026-04-27 | Brust John |
Director |
Buy↑
|
Common Stock
(I)
|
1,040 |
| 2026-03-18 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
4,000 |
| 2026-03-18 | Hogan Peter W. |
Director |
Buy↑
|
Common Stock
(I)
|
3,000 |
| 2026-03-17 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
2,000 |
| 2026-03-05 | Barzee Nick |
SVP and CFO |
Buy↑
|
Common Stock
(I)
|
1,280 |
| 2026-03-02 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
|
1,300 |
| 2025-11-19 | Hada Tejraj S |
Director |
Other↑
|
Common Stock
|
268 |
| 2025-11-18 | Antalek John |
EVP and CLO |
Buy↑
|
Common Stock
(I)
|
1,500 |
| 2025-11-18 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
3,000 |
| 2025-11-14 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
366 |
| 2025-11-05 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
1,500 |
| 2025-11-04 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
45 |
| 2025-11-03 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
235 |
| 2025-10-29 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
|
423 |
| 2025-10-29 | Gibson Donald E |
Director, President and CEO |
Buy↑
|
Common Stock
(I)
|
500 |
| 2025-10-29 | Gibson Donald E |
Director, President and CEO |
Buy↑
|
Common Stock
(I)
|
500 |
| 2025-10-28 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
|
706 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
1,700 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
101 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
500 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
810 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
600 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
27 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
10 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
402 |
| 2025-10-24 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
150 |
| 2025-06-11 | Gibson Donald E |
Director, President and CEO |
Gift↓
|
Common Stock
|
125,100 |
| 2025-06-11 | Gibson Donald E |
Director, President and CEO |
Gift↑
|
Common Stock
(I)
|
125,100 |
| 2025-05-15 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
388 |
| 2025-05-14 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
6,612 |
| 2025-05-05 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
(I)
|
10 |
| 2025-05-05 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
|
38 |
| 2025-05-02 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
|
105 |
| 2025-05-02 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
(I)
|
28 |
| 2025-05-01 | Cannucciari Christopher |
Director |
Buy↑
|
Common Stock
|
290 |
| 2025-04-25 | Barzee Nick |
SVP and CFO |
Buy↑
|
Common Stock
(I)
|
1,500 |
| 2025-03-19 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
2,000 |
| 2025-03-19 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
4,000 |
| 2025-03-19 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
1,000 |
| 2025-02-28 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
1,800 |
| 2025-02-27 | Cahalan Jay P. |
Director |
Buy↑
|
Common Stock
|
1,944 |
| 2025-01-31 | Barzee Nick |
SVP and CFO |
Buy↑
|
Common Stock
(I)
|
840 |
| 2024-11-01 | Hada Tejraj S |
Director |
Buy↑
|
Common Stock
|
2,000 |
| 2024-10-25 | Barzee Nick |
SVP and CFO |
Buy↑
|
Common Stock
(I)
|
892 |
| 2024-06-18 | PLUMMER MICHELLE M |
Director, SEVP, CFO & COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price covered in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.25-$30.68, inclusive. The reporting person undertakes to provide to Greene County Bancorp, Inc., any security holder of Greene County Bancorp, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the rate set forth in this footnote. |
Common Stock
|
8,966 |
| 2024-06-17 | PLUMMER MICHELLE M |
Director, SEVP, CFO & COO |
Sell↓
|
Common Stock
|
200 |