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GREENE COUNTY BANCORP INC

GCBC Net buying
CIK 0001070524 #2964 in the set updated 19 Sep 2026
Bought (120 mo)
$2.55M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$2.18M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$2.18M
18 of 18 sales
Net
+$367.54K
+$367.54K against sales at will

By person

12 insiders · 167 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
PLUMMER MICHELLE M
Director
—
$946.91K (5)
−$946.91K
121,066
0.7111%
$3.48M
+8.7%
Hada Tejraj S
Director
$760.44K (20)
—
+$760.44K
35,427
0.2081%
$1.02M
+927.8%
Cahalan Jay P.
Director
$619.40K (37)
$223.47K (4)
+$395.93K
41,854
0.2458%
$1.20M
+62.8%
Hogan Peter W.
Director
$381.03K (13)
—
+$381.03K
144,000
0.8458%
$4.14M
+11.6%
Gibson Donald E
President and CEO
$350.41K (46)
$648.47K (7)
−$298.06K
58,972
0.3464%
$1.70M
+0.9%
NELSON STEPHEN E
Director
$22.82K (1)
$229.08K (1)
−$206.26K
17,000
0.0999%
$489.09K
−21.2%
Barzee Nick
SVP and CFO
$108.86K (4)
—
+$108.86K
4,520
0.0265%
$130.04K
+56,400%
Brust John
Director
$100.04K (3)
—
+$100.04K
6,221
0.0365%
$178.98K
+196.2%
Cannucciari Christopher
Director
$64.97K (8)
—
+$64.97K
4,416
0.0259%
$127.05K
+191.3%
SLUTZKY PAUL
Director
$78.07K (9)
$130.69K (1)
−$52.62K
187,442
1.10%
$5.39M
+0.5%
Antalek John
EVP and CLO
$33.00K (1)
—
+$33.00K
7,567
0.0444%
$217.70K
+24.7%
SCHAEFER CHARLES H
Director
$27.13K (2)
—
+$27.13K
159,523
0.9370%
$4.59M
+2.6%

Individual transactions

167
Insider
Date
Role
Action
Shares
Price
Amount
PLUMMER MICHELLE M
11 Jun 2026
Director
Sell
10,000
$28.77
$287.70K
Brust John
28 Apr 2026
Director
Buy indirect
2,041
$24.50
$50.00K
Brust John
27 Apr 2026
Director
Buy indirect
1,040
$24.06
$25.02K
Brust John
27 Apr 2026
Director
Buy indirect
1,040
$24.05
$25.01K
Hada Tejraj S
18 Mar 2026
Director
Buy
4,000
$21.95
$87.80K
Hogan Peter W.
18 Mar 2026
Director
Buy indirect
3,000
$22.10
$66.30K
Hada Tejraj S
17 Mar 2026
Director
Buy
2,000
$21.99
$43.98K
Barzee Nick
5 Mar 2026
SVP and CFO
Buy indirect
1,280
$22.55
$28.86K
Cannucciari Christopher
2 Mar 2026
Director
Buy
1,300
$22.05
$28.67K
Antalek John
18 Nov 2025
EVP and CLO
Buy indirect
1,500
$22.00
$33.00K
Hada Tejraj S
18 Nov 2025
Director
Buy
3,000
$21.96
$65.88K
Hada Tejraj S
14 Nov 2025
Director
Buy
366
$22.00
$8.05K
Hada Tejraj S
5 Nov 2025
Director
Buy
1,500
$22.52
$33.78K
Hada Tejraj S
4 Nov 2025
Director
Buy
45
$22.20
$999.00
Hada Tejraj S
3 Nov 2025
Director
Buy
235
$21.80
$5.12K
Cannucciari Christopher
29 Oct 2025
Director
Buy
423
$22.79
$9.64K
Gibson Donald E
29 Oct 2025
President and CEO
Buy indirect
500
$21.75
$10.88K
Gibson Donald E
29 Oct 2025
President and CEO
Buy indirect
500
$22.00
$11.00K
Cannucciari Christopher
28 Oct 2025
Director
Buy
706
$22.91
$16.17K
Cahalan Jay P.
24 Oct 2025
Director
Buy
810
$22.58
$18.29K
Cahalan Jay P.
24 Oct 2025
Director
Buy
402
$22.72
$9.13K
Cahalan Jay P.
24 Oct 2025
Director
Buy
500
$22.67
$11.34K
Cahalan Jay P.
24 Oct 2025
Director
Buy
10
$22.62
$226.20
Cahalan Jay P.
24 Oct 2025
Director
Buy
27
$22.60
$610.20
Cahalan Jay P.
24 Oct 2025
Director
Buy
1,700
$22.82
$38.79K
Cahalan Jay P.
24 Oct 2025
Director
Buy
101
$22.78
$2.30K
Cahalan Jay P.
24 Oct 2025
Director
Buy
600
$22.75
$13.65K
Cahalan Jay P.
24 Oct 2025
Director
Buy
150
$22.69
$3.40K
Hada Tejraj S
15 May 2025
Director
Buy
388
$22.95
$8.90K
Hada Tejraj S
14 May 2025
Director
Buy
6,612
$22.95
$151.75K
Cannucciari Christopher
5 May 2025
Director
Buy
38
$22.50
$855.00
Cannucciari Christopher
2 May 2025
Director
Buy indirect
10
$22.50
$225.00
Cannucciari Christopher
2 May 2025
Director
Buy indirect
28
$22.33
$625.24
Cannucciari Christopher
2 May 2025
Director
Buy
105
$22.33
$2.34K
Cannucciari Christopher
1 May 2025
Director
Buy
290
$22.20
$6.44K
Barzee Nick
25 Apr 2025
SVP and CFO
Buy indirect
1,500
$21.50
$32.25K
Hada Tejraj S
19 Mar 2025
Director
Buy
2,000
$23.25
$46.50K
Hada Tejraj S
19 Mar 2025
Director
Buy
1,000
$23.26
$23.26K
Hada Tejraj S
19 Mar 2025
Director
Buy
4,000
$23.50
$94.00K
Cahalan Jay P.
28 Feb 2025
Director
Buy
1,800
$26.94
$48.49K
Cahalan Jay P.
27 Feb 2025
Director
Buy
1,944
$26.45
$51.42K
Barzee Nick
31 Jan 2025
SVP and CFO
Buy indirect
840
$26.50
$22.26K
Hada Tejraj S
1 Nov 2024
Director
Buy
2,000
$28.00
$56.00K
Barzee Nick
25 Oct 2024
SVP and CFO
Buy indirect
892
$28.57
$25.49K
PLUMMER MICHELLE M
18 Jun 2024
SEVP, CFO & COO
Sell
8,966
$30.56
$273.96K
PLUMMER MICHELLE M
17 Jun 2024
SEVP, CFO & COO
Sell
200
$30.40
$6.08K
PLUMMER MICHELLE M
13 Jun 2024
SEVP, CFO & COO
Sell
3,154
$30.32
$95.63K
Cahalan Jay P.
15 May 2024
Director
Sell indirect
1,745
$31.62
$55.18K
Cahalan Jay P.
15 May 2024
Director
Sell indirect
1,455
$31.64
$46.04K
Cahalan Jay P.
15 May 2024
Director
Sell indirect
1,515
$31.68
$48.00K
Cahalan Jay P.
15 May 2024
Director
Sell indirect
2,345
$31.67
$74.27K
Hada Tejraj S
18 Sep 2023
Director
Buy
1,000
$24.50
$24.50K
Gibson Donald E
14 Aug 2023
President and CEO
Sell indirect
537
$35.70
$19.17K
Gibson Donald E
4 Aug 2023
President and CEO
Sell indirect
1,764
$34.75
$61.30K
Gibson Donald E
4 Aug 2023
President and CEO
Sell indirect
1,892
$34.50
$65.27K
Gibson Donald E
31 Jul 2023
President and CEO
Sell indirect
18
$34.50
$621.00
Gibson Donald E
28 Jul 2023
President and CEO
Sell indirect
90
$34.50
$3.11K
PLUMMER MICHELLE M
7 Jun 2023
SEVP, CFO & COO
Sell
10,000
$28.35
$283.55K
Hada Tejraj S
8 May 2023
Director
Buy
2,000
$18.20
$36.40K
Cahalan Jay P.
28 Feb 2023
Director
Buy
720
$56.95
$41.01K
Hada Tejraj S
10 Feb 2023
Director
Buy
566
$48.00
$27.17K
NELSON STEPHEN E
27 Jan 2023
Director
Sell
4,874
$47.00
$229.08K
Hada Tejraj S
26 Jan 2023
Director
Buy
250
$46.30
$11.58K
Hada Tejraj S
26 Jan 2023
Director
Buy
250
$46.20
$11.55K
Hada Tejraj S
26 Jan 2023
Director
Buy
250
$46.40
$11.60K
Hada Tejraj S
26 Jan 2023
Director
Buy
250
$46.50
$11.63K
NELSON STEPHEN E
7 Dec 2022
Director
Buy
309
$73.84
$22.82K
Cahalan Jay P.
14 Jun 2022
Director
Buy
1,075
$45.00
$48.38K
Gibson Donald E
13 Jun 2022
President and CEO
Buy indirect
459
$45.00
$20.66K
Gibson Donald E
13 Jun 2022
President and CEO
Buy indirect
500
$44.00
$22.00K
Gibson Donald E
10 Jun 2022
President and CEO
Buy indirect
41
$45.00
$1.85K
SLUTZKY PAUL
1 Jun 2022
Director
Sell indirect
2,368
$55.19
$130.69K
Gibson Donald E
31 May 2022
President and CEO
Sell indirect
4,000
$56.00
$224.00K
Gibson Donald E
27 May 2022
President and CEO
Sell
5,000
$55.00
$275.00K
Cahalan Jay P.
17 Feb 2022
Director
Buy
770
$39.00
$30.03K
Gibson Donald E
26 Nov 2021
President and CEO
Buy
200
$33.01
$6.60K
Cahalan Jay P.
17 Feb 2021
Director
Buy
610
$24.25
$14.79K
Hogan Peter W.
29 Jan 2021
Director
Buy indirect
1,000
$23.97
$23.97K
Cahalan Jay P.
28 Jan 2021
Director
Buy
851
$24.45
$20.81K
Cahalan Jay P.
28 Jan 2021
Director
Buy
206
$24.49
$5.04K
Cahalan Jay P.
28 Jan 2021
Director
Buy
93
$24.52
$2.28K
Gibson Donald E
18 Sep 2020
President and CEO
Buy
1,000
$22.28
$22.28K
Cahalan Jay P.
25 Aug 2020
Director
Buy
1,038
$22.70
$23.56K
Cahalan Jay P.
19 Aug 2020
Director
Buy
1,447
$22.00
$31.83K
Gibson Donald E
11 Aug 2020
President and CEO
Buy indirect
485
$22.00
$10.67K
Gibson Donald E
11 Aug 2020
President and CEO
Buy indirect
15
$21.93
$328.95
Gibson Donald E
22 Jun 2020
President and CEO
Buy indirect
362
$22.05
$7.98K
Gibson Donald E
11 Jun 2020
President and CEO
Buy indirect
1,000
$22.01
$22.01K
SLUTZKY PAUL
11 Jun 2020
Director
Buy indirect
500
$21.05
$10.53K
SLUTZKY PAUL
20 May 2020
Director
Buy indirect
14
$21.05
$294.70
Gibson Donald E
14 May 2020
President and CEO
Buy indirect
300
$20.25
$6.08K
Gibson Donald E
13 May 2020
President and CEO
Buy indirect
300
$20.51
$6.15K
SLUTZKY PAUL
12 May 2020
Director
Buy indirect
250
$21.25
$5.31K
Hogan Peter W.
1 May 2020
Director
Buy indirect
2,000
$21.00
$42.00K
Gibson Donald E
1 May 2020
President and CEO
Buy indirect
161
$20.51
$3.30K
Gibson Donald E
1 May 2020
President and CEO
Buy
139
$20.50
$2.85K
SLUTZKY PAUL
1 May 2020
Director
Buy indirect
500
$20.75
$10.38K
SLUTZKY PAUL
29 Apr 2020
Director
Buy indirect
238
$20.85
$4.96K
SLUTZKY PAUL
13 Mar 2020
Director
Buy
500
$21.00
$10.50K
Cahalan Jay P.
13 Mar 2020
Director
Buy
438
$21.00
$9.20K
Cahalan Jay P.
13 Mar 2020
Director
Buy
312
$20.51
$6.40K
Gibson Donald E
12 Mar 2020
President and CEO
Buy
200
$19.51
$3.90K
Gibson Donald E
12 Mar 2020
President and CEO
Buy
200
$15.83
$3.17K
Hogan Peter W.
12 Mar 2020
Director
Buy indirect
1,000
$21.51
$21.51K
Gibson Donald E
28 Feb 2020
President and CEO
Buy indirect
350
$27.96
$9.79K
Hogan Peter W.
28 Feb 2020
Director
Buy indirect
2,000
$27.99
$55.98K
Gibson Donald E
6 Feb 2020
President and CEO
Buy indirect
137
$29.36
$4.02K
Gibson Donald E
6 Feb 2020
President and CEO
Buy indirect
3
$29.37
$88.11
Cahalan Jay P.
30 Jan 2020
Director
Buy indirect
130
$29.63
$3.85K
Cahalan Jay P.
30 Jan 2020
Director
Buy
325
$29.63
$9.63K
Cahalan Jay P.
26 Nov 2019
Director
Buy
525
$27.76
$14.57K
Cahalan Jay P.
26 Nov 2019
Director
Buy
100
$28.00
$2.80K
Gibson Donald E
28 Oct 2019
President and CEO
Buy
1,000
$27.00
$27.00K
Gibson Donald E
6 Sep 2019
Director
Buy indirect
200
$26.99
$5.40K
SCHAEFER CHARLES H
26 Aug 2019
Director
Buy indirect
500
$26.50
$13.25K
SLUTZKY PAUL
6 Aug 2019
Director
Buy
500
$26.87
$13.44K
Gibson Donald E
5 Aug 2019
President and CEO
Buy indirect
15
$27.01
$405.15
Gibson Donald E
5 Aug 2019
President and CEO
Buy indirect
42
$26.50
$1.11K
SCHAEFER CHARLES H
1 Aug 2019
Director
Buy indirect
500
$27.75
$13.88K
Cahalan Jay P.
26 Jul 2019
Director
Buy
400
$26.70
$10.68K
Hogan Peter W.
4 Jun 2019
Director
Buy indirect
1,000
$29.35
$29.35K
Hogan Peter W.
4 Jun 2019
Director
Buy indirect
1,000
$29.27
$29.27K
Gibson Donald E
29 May 2019
President and CEO
Buy indirect
200
$30.00
$6.00K
SLUTZKY PAUL
13 May 2019
Director
Buy
500
$30.50
$15.25K
Cahalan Jay P.
2 May 2019
Director
Buy
415
$30.81
$12.79K
Gibson Donald E
21 Feb 2019
President and CEO
Buy indirect
187
$32.00
$5.98K
Gibson Donald E
21 Feb 2019
President and CEO
Buy indirect
3
$31.51
$94.53
Gibson Donald E
28 Jan 2019
President and CEO
Buy indirect
639
$30.99
$19.80K
Gibson Donald E
28 Jan 2019
President and CEO
Buy indirect
61
$30.75
$1.88K
Gibson Donald E
28 Jan 2019
President and CEO
Buy indirect
3
$30.51
$91.53
Cahalan Jay P.
25 Jan 2019
Director
Buy
900
$30.99
$27.89K
Hogan Peter W.
20 Jun 2018
Director
Buy indirect
1,000
$29.40
$29.40K
Hogan Peter W.
20 Jun 2018
Director
Buy indirect
1,000
$29.30
$29.30K
PLUMMER MICHELLE M
8 Jun 2018
EVP, COO & CFO
Exercised, kept
12,570
$6.25
$78.56K
PLUMMER MICHELLE M
8 Jun 2018
EVP, COO & CFO
Exercised, kept
12,570
$6.25
$78.56K
Hogan Peter W.
5 Jun 2018
Director
Buy indirect
500
$29.90
$14.95K
Hogan Peter W.
22 May 2018
Director
Buy indirect
500
$30.50
$15.25K
Cahalan Jay P.
21 May 2018
Director
Buy indirect
500
$30.57
$15.29K
Gibson Donald E
18 May 2018
President and CEO
Buy
31
$30.55
$947.05
Gibson Donald E
17 May 2018
President and CEO
Buy
300
$30.80
$9.24K
Cahalan Jay P.
16 May 2018
Director
Buy
209
$31.50
$6.58K
Cahalan Jay P.
16 May 2018
Director
Buy
100
$31.35
$3.14K
Cahalan Jay P.
16 May 2018
Director
Buy
31
$31.30
$970.30
SLUTZKY PAUL
14 May 2018
Director
Buy
237
$31.30
$7.42K
Gibson Donald E
9 May 2018
President and CEO
Buy
500
$31.05
$15.53K
PLUMMER MICHELLE M
22 Feb 2018
EVP, COO & CFO
Exercised, kept
12,000
$6.25
$75.00K
Gibson Donald E
7 Dec 2017
President and CEO
Buy indirect
31
$32.25
$999.75
Gibson Donald E
25 Aug 2017
Director
Buy
200
$23.00
$4.60K
Gibson Donald E
23 Aug 2017
Director
Buy
500
$23.25
$11.63K
Gibson Donald E
11 Aug 2017
President and CEO
Buy indirect
446
$24.45
$10.90K
Gibson Donald E
8 Aug 2017
President and CEO
Buy indirect
22
$24.55
$540.10
Gibson Donald E
4 Aug 2017
Director
Buy indirect
32
$24.55
$785.60
Gibson Donald E
30 May 2017
President and CEO
Buy
982
$24.38
$23.94K
Hogan Peter W.
24 May 2017
Director
Buy indirect
971
$23.75
$23.06K
Hogan Peter W.
24 May 2017
Director
Buy indirect
29
$23.70
$687.30
Cahalan Jay P.
12 May 2017
Director
Buy
475
$23.74
$11.28K
Gibson Donald E
12 May 2017
President and CEO
Buy indirect
330
$24.60
$8.12K
Gibson Donald E
12 May 2017
President and CEO
Buy indirect
6
$23.25
$139.50
Gibson Donald E
10 May 2017
President and CEO
Buy indirect
16
$22.90
$366.40
Gibson Donald E
1 May 2017
President and CEO
Buy indirect
566
$24.40
$13.81K
Gibson Donald E
28 Apr 2017
President and CEO
Buy indirect
19
$24.30
$461.70
Cahalan Jay P.
1 Feb 2017
Director
Buy indirect
400
$22.17
$8.87K
Cahalan Jay P.
31 Jan 2017
Director
Buy indirect
2,500
$21.98
$54.95K
PLUMMER MICHELLE M
20 Dec 2016
EVP, COO & CFO
Exercised, kept
10,000
$6.25
$62.50K
SCHAEFER CHARLES H
4 Nov 2016
Director
Exercised, kept
3,000
$6.25
$18.75K
Cahalan Jay P.
31 Oct 2016
Director
Buy
300
$17.11
$5.13K
Gibson Donald E
22 Sep 2016
President and CEO
Buy
300
$16.84
$5.05K

What was left out

Form 4 filings counted 115
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 18
Transactions with no price 0
Shares from compensation/vesting 306,400
Sales filed before the plan box existed 4
History held since 2 Sep 2016