0
Insider buys, 6 months
0
Congress trades, 6 months
0
Signals, 6 months
Six months
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After each filing
16
Nov 10
Sale
PLUMMER MICHELLE M
Insider
1 week
Result in6 trading days
1 month
Result in22 trading days
3 months
Result in64 trading days
6 months
Result in127 trading days
Jun 15
Sale
PLUMMER MICHELLE M
Insider
1 week
−3.2%S&P −2.6%
1 month
+13.0%S&P −0.3%
3 months
+21.8%S&P +0.6%
6 months
Result in24 trading days
Apr 28
Buy
Brust John
Insider
1 week
−3.7%S&P +1.7%
1 month
+5.5%S&P +6.0%
3 months
+39.3%S&P +2.8%
6 months
+46.7%S&P +8.7%
Mar 19
Buy
Hogan Peter W.
Insider
1 week
+1.3%S&P −2.0%
1 month
+5.9%S&P +7.7%
3 months
+33.3%S&P +13.8%
6 months
+62.1%S&P +16.3%
Mar 19
Buy
Hada Tejraj S
Insider
1 week
+1.3%S&P −2.0%
1 month
+5.9%S&P +7.7%
3 months
+33.3%S&P +13.8%
6 months
+62.1%S&P +16.3%
Show all 16
Mar 6
Buy
Barzee Nick
Insider
1 week
−2.3%S&P −1.5%
1 month
+3.7%S&P −1.7%
3 months
+23.7%S&P +10.0%
6 months
+60.2%S&P +15.2%
Mar 3
Buy
Cannucciari Christopher
Insider
1 week
−1.2%S&P −0.5%
1 month
+0.1%S&P −3.4%
3 months
+15.5%S&P +12.0%
6 months
+53.3%S&P +12.6%
Nov 24, 2025
Buy
Hada Tejraj S
Insider
1 week
+0.7%S&P +1.9%
1 month
+3.6%S&P +3.5%
3 months
+4.8%S&P +3.4%
6 months
+18.2%S&P +13.5%
Nov 20, 2025
Buy
Hada Tejraj S
Insider
1 week
+5.5%S&P +4.7%
1 month
+8.6%S&P +5.3%
3 months
+4.5%S&P +5.6%
6 months
+17.8%S&P +15.7%
Nov 19, 2025
Buy
Antalek John
Insider
1 week
+2.3%S&P +2.6%
1 month
+10.4%S&P +3.0%
3 months
+0.5%S&P +3.3%
6 months
+14.5%S&P +13.2%
Nov 17, 2025
Buy
Hada Tejraj S
Insider
1 week
+1.7%S&P +0.5%
1 month
+14.3%S&P +0.9%
3 months
+6.5%S&P +3.1%
6 months
+16.6%S&P +12.0%
Nov 6, 2025
Buy
Hada Tejraj S
Insider
1 week
−0.9%S&P +0.3%
1 month
+4.3%S&P +2.0%
3 months
+8.7%S&P +3.8%
6 months
+6.3%S&P +10.9%
Nov 4, 2025
Buy
Hada Tejraj S
Insider
1 week
+3.0%S&P +1.1%
1 month
+4.7%S&P +1.4%
3 months
+11.5%S&P +0.6%
6 months
+9.0%S&P +9.0%
Oct 31, 2025
Buy
Gibson Donald E
Insider
1 week
+2.3%S&P −1.6%
1 month
+1.6%S&P −0.1%
3 months
+10.0%S&P +1.4%
6 months
+8.9%S&P +6.7%
Oct 31, 2025
Buy
Cannucciari Christopher
Insider
1 week
+2.3%S&P −1.6%
1 month
+1.6%S&P −0.1%
3 months
+10.0%S&P +1.4%
6 months
+8.9%S&P +6.7%
Oct 25, 2025
Buy
Cahalan Jay P.
Insider
1 week
−2.5%S&P −0.3%
1 month
+1.0%S&P −1.5%
3 months
−3.7%S&P +1.8%
6 months
+4.2%S&P +4.4%
Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.
Filings for GCBC
18 held · newest 518 held · newest 2Loading the filings.
Aeon news and offers by email
New sources, new features and offers like our founding price. A few times a month at most. Stop any time.
Government contracts, last 12 months
Awards of $10M and up, from USAspending · context, not a signalNo contracts of $10M or more in the last 12 months.
Lobbying
Last four quartersNo lobbying reports on file.