Greene County Bancorp Inc (GCBC)

Greene County Bancorp Inc. experienced recent insider trading activity characterized by a notable sale of 10,000 shares valued at $287,700 by Director Michelle M. Plummer. This transaction occurred amidst a 44.6% stock price increase over the last quarter, with shares currently trading near their 52-week high following the company's latest earnings report.
Ticker: GCBC Exchange: NAS


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Insider trades have triggered activity signals for Greene County Bancorp Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.6
PLUMMER MICHELLE M Non-Executive Director
Transaction date
Sale
Price
450.48
Quantity 48,626 -49.5%
Value US$3,033,339
2.6
Plummer, Michelle M. (GCBC) Director Non-Executive Director
Transaction date
Proposed sale
Price
381.80
Quantity 21,916
Value US$2,668,766
Brust John Non-Executive Director
Transaction date
Purchase
Price
433.16
Quantity 19,351 -4.0%
Value US$2,067,775
Brust John Non-Executive Director
Transaction date
Purchase
Price
24.06
Quantity 1,040 +33.1%
Value US$25,022
Brust John Non-Executive Director
Transaction date
Purchase
Price
24.05
Quantity 1,040 +49.5%
Value US$25,012
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
21.95
Quantity 4,000 +12.7%
Value US$87,800
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
21.99
Quantity 2,000 +6.8%
Value US$43,980
3.2
Barzee Nick SVP and CFO Officer
Transaction date
Purchase
Price
22.55
Quantity 1,280 +39.5%
Value US$28,864
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.05
Quantity 1,300 +42.2%
Value US$28,665
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
21.96
Quantity 3,000 +12.0%
Value US$65,880
2.4
Antalek John EVP and CLO Officer
Transaction date
Purchase
Price
22.00
Quantity 1,500 +24.7%
Value US$33,000
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
22.00
Quantity 366 +1.5%
Value US$8,052
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
22.52
Quantity 1,500 +6.5%
Value US$33,780
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
22.20
Quantity 45 +0.2%
Value US$999
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
21.80
Quantity 235 +1.0%
Value US$5,123
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Purchase
Price
21.75
Quantity 500 +100.0%
Value US$10,875
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Purchase
Price
22.00
Quantity 500 +inf%
Value US$11,000
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.79
Quantity 423 +15.9%
Value US$9,640
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.91
Quantity 706 +36.2%
Value US$16,174
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.58
Quantity 810 +2.3%
Value US$18,290
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.72
Quantity 402 +1.2%
Value US$9,133
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.67
Quantity 500 +1.5%
Value US$11,335
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.62
Quantity 10 +0.0%
Value US$226
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.60
Quantity 27 +0.1%
Value US$610
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.82
Quantity 1,700 +5.3%
Value US$38,794
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.78
Quantity 101 +0.3%
Value US$2,301
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.75
Quantity 600 +1.9%
Value US$13,650
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
22.69
Quantity 150 +0.5%
Value US$3,404
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
22.95
Quantity 388 +1.7%
Value US$8,905
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
22.95
Quantity 6,612 +42.1%
Value US$151,745
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.50
Quantity 38 +2.0%
Value US$855
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.50
Quantity 10 +35.7%
Value US$225
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.33
Quantity 28 +inf%
Value US$625
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.33
Quantity 105 +5.8%
Value US$2,345
3.2
Cannucciari Christopher Non-Executive Director
Transaction date
Purchase
Price
22.20
Quantity 290 +19.1%
Value US$6,438
3.2
Barzee Nick SVP and CFO Officer
Transaction date
Purchase
Price
21.50
Quantity 1,500 +86.2%
Value US$32,250
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
23.25
Quantity 2,000 +14.6%
Value US$46,500
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
23.26
Quantity 1,000 +7.9%
Value US$23,260
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
23.50
Quantity 4,000 +45.9%
Value US$94,000
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
26.94
Quantity 1,800 +6.1%
Value US$48,492
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
26.45
Quantity 1,944 +7.1%
Value US$51,419
3.2
Barzee Nick SVP and CFO Officer
Transaction date
Purchase
Price
26.50
Quantity 840 +93.3%
Value US$22,260
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
28.00
Quantity 2,000 +30.1%
Value US$56,000
3.2
Barzee Nick SVP and CFO Officer
Transaction date
Purchase
Price
28.57
Quantity 892 +11150.0%
Value US$25,489
2.6
PLUMMER MICHELLE M SEVP, CFO & COO Executive Director
Transaction date
Sale
Price
30.56
Quantity 8,966 -7.6%
Value US$273,956
2.6
MICHELLE PLUMMER Officer Officer
Transaction date
Proposed sale
Price
30.56
Quantity 8,966
Value US$273,956
2.6
PLUMMER MICHELLE M SEVP, CFO & COO Executive Director
Transaction date
Sale
Price
30.40
Quantity 200 -0.2%
Value US$6,080
2.6
MICHELLE PLUMMER Officer Officer
Transaction date
Proposed sale
Price
30.40
Quantity 200
Value US$6,080
2.6
PLUMMER MICHELLE M SEVP, CFO & COO Executive Director
Transaction date
Sale
Price
30.32
Quantity 3,154 -2.6%
Value US$95,629
2.6
MICHELLE PLUMMER Officer Officer
Transaction date
Proposed sale
Price
30.32
Quantity 3,154
Value US$95,640
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Sale
Price
31.62
Quantity 1,745 -100.0%
Value US$55,177
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Sale
Price
31.64
Quantity 1,455 -45.5%
Value US$46,036
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Sale
Price
31.68
Quantity 1,515 -32.1%
Value US$47,995
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Sale
Price
31.67
Quantity 2,345 -33.2%
Value US$74,266
3.7
Cahalan Jay P. Director Non-Executive Director
Transaction date
Proposed sale
Price
31.32
Quantity 7,060
Value US$221,119
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
24.50
Quantity 1,000 +17.9%
Value US$24,500
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Sale
Price
35.70
Quantity 537 -100.0%
Value US$19,171
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Sale
Price
34.75
Quantity 1,764 -76.7%
Value US$61,299
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Sale
Price
34.50
Quantity 1,892 -45.1%
Value US$65,274
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Sale
Price
34.50
Quantity 18 -0.4%
Value US$621
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Sale
Price
34.50
Quantity 90 -2.1%
Value US$3,105
2.6
PLUMMER MICHELLE M SEVP, CFO & COO Executive Director
Transaction date
Sale
Price
28.35
Quantity 10,000 -7.6%
Value US$283,549
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
18.20
Quantity 2,000 +56.4%
Value US$36,400
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
56.95
Quantity 720 +5.6%
Value US$41,007
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
48.00
Quantity 566 +47.0%
Value US$27,168
1.3
NELSON STEPHEN E Non-Executive Director
Transaction date
Sale
Price
47.00
Quantity 4,874 -22.3%
Value US$229,078
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
46.30
Quantity 250 +26.2%
Value US$11,575
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
46.20
Quantity 250 +35.5%
Value US$11,550
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
46.40
Quantity 250 +55.1%
Value US$11,600
3.7
Hada Tejraj S Non-Executive Director
Transaction date
Purchase
Price
46.50
Quantity 250 +122.5%
Value US$11,625
1.3
NELSON STEPHEN E Non-Executive Director
Transaction date
Purchase
Price
73.84
Quantity 309 +1.4%
Value US$22,816
3.7
Cahalan Jay P. Non-Executive Director
Transaction date
Purchase
Price
45.00
Quantity 1,075 +9.0%
Value US$48,375
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Purchase
Price
45.00
Quantity 459 +6.9%
Value US$20,655
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Purchase
Price
44.00
Quantity 500 +8.1%
Value US$22,000
3.8
Gibson Donald E President and CEO Executive Director
Transaction date
Purchase
Price
45.00
Quantity 41 +0.7%
Value US$1,845
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-15 2026-06-11 S Sale Non-Executive Director
48,626 -49.5%
450.48
US$3,033,339
48,626 -49.5% 450.48 US$3,033,339
2026-06-11 2026-06-11 PrS Proposed sale

Director

Non-Executive Director
21,916
381.80
US$2,668,766
21,916 381.80 US$2,668,766
2026-04-28 2026-04-28 B Purchase Non-Executive Director
19,351 -4.0%
433.16
US$2,067,775
19,351 -4.0% 433.16 US$2,067,775
2026-04-28 2026-04-27 B Purchase Non-Executive Director
1,040 +33.1%
24.06
US$25,022
1,040 +33.1% 24.06 US$25,022
2026-04-28 2026-04-27 B Purchase Non-Executive Director
1,040 +49.5%
24.05
US$25,012
1,040 +49.5% 24.05 US$25,012
2026-03-18 2026-03-18 B Purchase Non-Executive Director
4,000 +12.7%
21.95
US$87,800
4,000 +12.7% 21.95 US$87,800
2026-03-18 2026-03-17 B Purchase Non-Executive Director
2,000 +6.8%
21.99
US$43,980
2,000 +6.8% 21.99 US$43,980
2026-03-05 2026-03-05 B Purchase

SVP and CFO

Officer
1,280 +39.5%
22.55
US$28,864
1,280 +39.5% 22.55 US$28,864
2026-03-03 2026-03-02 B Purchase Non-Executive Director
1,300 +42.2%
22.05
US$28,665
1,300 +42.2% 22.05 US$28,665
2025-11-19 2025-11-18 B Purchase Non-Executive Director
3,000 +12.0%
21.96
US$65,880
3,000 +12.0% 21.96 US$65,880
2025-11-19 2025-11-18 B Purchase

EVP and CLO

Officer
1,500 +24.7%
22.00
US$33,000
1,500 +24.7% 22.00 US$33,000
2025-11-17 2025-11-14 B Purchase Non-Executive Director
366 +1.5%
22.00
US$8,052
366 +1.5% 22.00 US$8,052
2025-11-06 2025-11-05 B Purchase Non-Executive Director
1,500 +6.5%
22.52
US$33,780
1,500 +6.5% 22.52 US$33,780
2025-11-06 2025-11-04 B Purchase Non-Executive Director
45 +0.2%
22.20
US$999
45 +0.2% 22.20 US$999
2025-11-04 2025-11-03 B Purchase Non-Executive Director
235 +1.0%
21.80
US$5,123
235 +1.0% 21.80 US$5,123
2025-10-30 2025-10-29 B Purchase

President and CEO

Executive Director
500 +100.0%
21.75
US$10,875
500 +100.0% 21.75 US$10,875
2025-10-30 2025-10-29 B Purchase

President and CEO

Executive Director
500 +inf%
22.00
US$11,000
500 +inf% 22.00 US$11,000
2025-10-30 2025-10-29 B Purchase Non-Executive Director
423 +15.9%
22.79
US$9,640
423 +15.9% 22.79 US$9,640
2025-10-30 2025-10-28 B Purchase Non-Executive Director
706 +36.2%
22.91
US$16,174
706 +36.2% 22.91 US$16,174
2025-10-24 2025-10-24 B Purchase Non-Executive Director
810 +2.3%
22.58
US$18,290
810 +2.3% 22.58 US$18,290
2025-10-24 2025-10-24 B Purchase Non-Executive Director
402 +1.2%
22.72
US$9,133
402 +1.2% 22.72 US$9,133
2025-10-24 2025-10-24 B Purchase Non-Executive Director
500 +1.5%
22.67
US$11,335
500 +1.5% 22.67 US$11,335
2025-10-24 2025-10-24 B Purchase Non-Executive Director
10 +0.0%
22.62
US$226
10 +0.0% 22.62 US$226
2025-10-24 2025-10-24 B Purchase Non-Executive Director
27 +0.1%
22.60
US$610
27 +0.1% 22.60 US$610
2025-10-24 2025-10-24 B Purchase Non-Executive Director
1,700 +5.3%
22.82
US$38,794
1,700 +5.3% 22.82 US$38,794
2025-10-24 2025-10-24 B Purchase Non-Executive Director
101 +0.3%
22.78
US$2,301
101 +0.3% 22.78 US$2,301
2025-10-24 2025-10-24 B Purchase Non-Executive Director
600 +1.9%
22.75
US$13,650
600 +1.9% 22.75 US$13,650
2025-10-24 2025-10-24 B Purchase Non-Executive Director
150 +0.5%
22.69
US$3,404
150 +0.5% 22.69 US$3,404
2025-05-15 2025-05-15 B Purchase Non-Executive Director
388 +1.7%
22.95
US$8,905
388 +1.7% 22.95 US$8,905
2025-05-15 2025-05-14 B Purchase Non-Executive Director
6,612 +42.1%
22.95
US$151,745
6,612 +42.1% 22.95 US$151,745
2025-05-05 2025-05-05 B Purchase Non-Executive Director
38 +2.0%
22.50
US$855
38 +2.0% 22.50 US$855
2025-05-05 2025-05-02 B Purchase Non-Executive Director
10 +35.7%
22.50
US$225
10 +35.7% 22.50 US$225
2025-05-05 2025-05-02 B Purchase Non-Executive Director
28 +inf%
22.33
US$625
28 +inf% 22.33 US$625
2025-05-05 2025-05-02 B Purchase Non-Executive Director
105 +5.8%
22.33
US$2,345
105 +5.8% 22.33 US$2,345
2025-05-05 2025-05-01 B Purchase Non-Executive Director
290 +19.1%
22.20
US$6,438
290 +19.1% 22.20 US$6,438
2025-04-25 2025-04-25 B Purchase

SVP and CFO

Officer
1,500 +86.2%
21.50
US$32,250
1,500 +86.2% 21.50 US$32,250
2025-03-20 2025-03-19 B Purchase Non-Executive Director
2,000 +14.6%
23.25
US$46,500
2,000 +14.6% 23.25 US$46,500
2025-03-20 2025-03-19 B Purchase Non-Executive Director
1,000 +7.9%
23.26
US$23,260
1,000 +7.9% 23.26 US$23,260
2025-03-20 2025-03-19 B Purchase Non-Executive Director
4,000 +45.9%
23.50
US$94,000
4,000 +45.9% 23.50 US$94,000
2025-03-03 2025-02-28 B Purchase Non-Executive Director
1,800 +6.1%
26.94
US$48,492
1,800 +6.1% 26.94 US$48,492
2025-03-03 2025-02-27 B Purchase Non-Executive Director
1,944 +7.1%
26.45
US$51,419
1,944 +7.1% 26.45 US$51,419
2025-02-03 2025-01-31 B Purchase

SVP and CFO

Officer
840 +93.3%
26.50
US$22,260
840 +93.3% 26.50 US$22,260
2024-11-04 2024-11-01 B Purchase Non-Executive Director
2,000 +30.1%
28.00
US$56,000
2,000 +30.1% 28.00 US$56,000
2024-10-25 2024-10-25 B Purchase

SVP and CFO

Officer
892 +11150.0%
28.57
US$25,489
892 +11150.0% 28.57 US$25,489
2024-06-20 2024-06-18 S Sale

SEVP, CFO & COO

Executive Director
8,966 -7.6%
30.56
US$273,956
8,966 -7.6% 30.56 US$273,956
2024-06-18 2024-06-18 PrS Proposed sale

Officer

Officer
8,966
30.56
US$273,956
8,966 30.56 US$273,956
2024-06-20 2024-06-17 S Sale

SEVP, CFO & COO

Executive Director
200 -0.2%
30.40
US$6,080
200 -0.2% 30.40 US$6,080
2024-06-17 2024-06-17 PrS Proposed sale

Officer

Officer
200
30.40
US$6,080
200 30.40 US$6,080
2024-06-17 2024-06-13 S Sale

SEVP, CFO & COO

Executive Director
3,154 -2.6%
30.32
US$95,629
3,154 -2.6% 30.32 US$95,629
2024-06-13 2024-06-13 PrS Proposed sale

Officer

Officer
3,154
30.32
US$95,640
3,154 30.32 US$95,640
2024-05-17 2024-05-15 S Sale Non-Executive Director
1,745 -100.0%
31.62
US$55,177
1,745 -100.0% 31.62 US$55,177
2024-05-17 2024-05-15 S Sale Non-Executive Director
1,455 -45.5%
31.64
US$46,036
1,455 -45.5% 31.64 US$46,036
2024-05-17 2024-05-15 S Sale Non-Executive Director
1,515 -32.1%
31.68
US$47,995
1,515 -32.1% 31.68 US$47,995
2024-05-17 2024-05-15 S Sale Non-Executive Director
2,345 -33.2%
31.67
US$74,266
2,345 -33.2% 31.67 US$74,266
2024-05-15 2024-05-15 PrS Proposed sale

Director

Non-Executive Director
7,060
31.32
US$221,119
7,060 31.32 US$221,119
2023-09-19 2023-09-18 B Purchase Non-Executive Director
1,000 +17.9%
24.50
US$24,500
1,000 +17.9% 24.50 US$24,500
2023-08-16 2023-08-14 S Sale

President and CEO

Executive Director
537 -100.0%
35.70
US$19,171
537 -100.0% 35.70 US$19,171
2023-08-07 2023-08-04 S Sale

President and CEO

Executive Director
1,764 -76.7%
34.75
US$61,299
1,764 -76.7% 34.75 US$61,299
2023-08-07 2023-08-04 S Sale

President and CEO

Executive Director
1,892 -45.1%
34.50
US$65,274
1,892 -45.1% 34.50 US$65,274
2023-08-01 2023-07-31 S Sale

President and CEO

Executive Director
18 -0.4%
34.50
US$621
18 -0.4% 34.50 US$621
2023-08-01 2023-07-28 S Sale

President and CEO

Executive Director
90 -2.1%
34.50
US$3,105
90 -2.1% 34.50 US$3,105
2023-06-08 2023-06-07 S Sale

SEVP, CFO & COO

Executive Director
10,000 -7.6%
28.35
US$283,549
10,000 -7.6% 28.35 US$283,549
2023-05-09 2023-05-08 B Purchase Non-Executive Director
2,000 +56.4%
18.20
US$36,400
2,000 +56.4% 18.20 US$36,400
2023-03-01 2023-02-28 B Purchase Non-Executive Director
720 +5.6%
56.95
US$41,007
720 +5.6% 56.95 US$41,007
2023-02-13 2023-02-10 B Purchase Non-Executive Director
566 +47.0%
48.00
US$27,168
566 +47.0% 48.00 US$27,168
2023-01-30 2023-01-27 S Sale Non-Executive Director
4,874 -22.3%
47.00
US$229,078
4,874 -22.3% 47.00 US$229,078
2023-01-30 2023-01-26 B Purchase Non-Executive Director
250 +26.2%
46.30
US$11,575
250 +26.2% 46.30 US$11,575
2023-01-30 2023-01-26 B Purchase Non-Executive Director
250 +35.5%
46.20
US$11,550
250 +35.5% 46.20 US$11,550
2023-01-30 2023-01-26 B Purchase Non-Executive Director
250 +55.1%
46.40
US$11,600
250 +55.1% 46.40 US$11,600
2023-01-30 2023-01-26 B Purchase Non-Executive Director
250 +122.5%
46.50
US$11,625
250 +122.5% 46.50 US$11,625
2023-01-09 2022-12-07 B Purchase Non-Executive Director
309 +1.4%
73.84
US$22,816
309 +1.4% 73.84 US$22,816
2022-06-16 2022-06-14 B Purchase Non-Executive Director
1,075 +9.0%
45.00
US$48,375
1,075 +9.0% 45.00 US$48,375
2022-06-14 2022-06-13 B Purchase

President and CEO

Executive Director
459 +6.9%
45.00
US$20,655
459 +6.9% 45.00 US$20,655
2022-06-14 2022-06-13 B Purchase

President and CEO

Executive Director
500 +8.1%
44.00
US$22,000
500 +8.1% 44.00 US$22,000
2022-06-13 2022-06-10 B Purchase

President and CEO

Executive Director
41 +0.7%
45.00
US$1,845
41 +0.7% 45.00 US$1,845
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