0
Insider buys, 6 months
1
Congress trades, 6 months
0
Signals, 6 months
Six months
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After each filing
20
Aug 21
Sale
Wang Cheng-Wei
Insider
1 week
−3.3%S&P +0.5%
1 month
−3.1%S&P +1.3%
3 months
Result in19 trading days
6 months
Result in82 trading days
Aug 5
Sale
Sen. Thomas H Tuberville
Senate
1 week
+3.3%S&P +1.2%
1 month
−8.2%S&P +0.2%
3 months
Result in8 trading days
6 months
Result in71 trading days
Aug 1
Sale
MAXFIELD JOSHUA H
Insider
1 week
+2.8%S&P +2.0%
1 month
−9.7%S&P +0.5%
3 months
Result in5 trading days
6 months
Result in68 trading days
Aug 1
Sale
Biddlecombe Sean
Insider
1 week
+2.8%S&P +2.0%
1 month
−9.7%S&P +0.5%
3 months
Result in5 trading days
6 months
Result in68 trading days
Aug 1
Sale
PEMBLE CLIFTON A
Insider
1 week
+2.8%S&P +2.0%
1 month
−9.7%S&P +0.5%
3 months
Result in5 trading days
6 months
Result in68 trading days
Show all 20
Jun 9
Sale
Hartnett Joseph J
Insider
1 week
−0.8%S&P +1.8%
1 month
+2.7%S&P +2.7%
3 months
+14.9%S&P +3.7%
6 months
Result in31 trading days
Jun 9
Sale
Boessen Douglas G.
Insider
1 week
−0.8%S&P +1.8%
1 month
+2.7%S&P +2.7%
3 months
+14.9%S&P +3.7%
6 months
Result in31 trading days
May 9
Sale
MINARD LAURIE A
Insider
1 week
−6.4%S&P −0.1%
1 month
−4.4%S&P −1.9%
3 months
+28.3%S&P +4.5%
6 months
Result in11 trading days
Mar 11
Sale
LINK EDWARD J.
Insider
1 week
−1.5%S&P −2.2%
1 month
+9.2%S&P +0.7%
3 months
−1.5%S&P +7.6%
6 months
+16.2%S&P +12.6%
Feb 28
Sale
LYMAN SUSAN
Insider
1 week
−4.9%S&P −1.2%
1 month
−8.7%S&P −5.0%
3 months
−6.8%S&P +10.8%
6 months
+12.3%S&P +12.3%
Feb 28
Sale
Munn Matthew
Insider
1 week
−4.9%S&P −1.2%
1 month
−8.7%S&P −5.0%
3 months
−6.8%S&P +10.8%
6 months
+12.3%S&P +12.3%
Feb 28
Sale
Boessen Douglas G.
Insider
1 week
−4.9%S&P −1.2%
1 month
−8.7%S&P −5.0%
3 months
−6.8%S&P +10.8%
6 months
+12.3%S&P +12.3%
Feb 28
Sale
Desbois Patrick
Insider
1 week
−4.9%S&P −1.2%
1 month
−8.7%S&P −5.0%
3 months
−6.8%S&P +10.8%
6 months
+12.3%S&P +12.3%
Feb 28
Sale
PEMBLE CLIFTON A
Insider
1 week
−4.9%S&P −1.2%
1 month
−8.7%S&P −5.0%
3 months
−6.8%S&P +10.8%
6 months
+12.3%S&P +12.3%
Feb 24
Sale
MINARD LAURIE A
Insider
1 week
−0.3%S&P −1.0%
1 month
−2.3%S&P −4.2%
3 months
−4.8%S&P +9.5%
6 months
+15.6%S&P +12.0%
Feb 21
Sale
Biddlecombe Sean
Insider
1 week
+3.3%S&P +0.6%
1 month
−2.0%S&P −4.0%
3 months
−2.2%S&P +9.6%
6 months
+18.8%S&P +12.5%
Feb 17
Sale
Boessen Douglas G.
Insider
1 week
+15.9%S&P +0.7%
1 month
+7.1%S&P −3.1%
3 months
+5.0%S&P +8.5%
6 months
+38.2%S&P +13.0%
Jan 10
Sale
Desbois Patrick
Insider
1 week
−5.1%S&P −2.5%
1 month
−2.3%S&P −0.5%
3 months
+25.5%S&P +0.2%
6 months
+15.3%S&P +9.2%
Dec 18, 2025
Sale
Boessen Douglas G.
Insider
1 week
+1.6%S&P +2.3%
1 month
+1.2%S&P +1.6%
3 months
+18.5%S&P −2.6%
6 months
+17.9%S&P +9.3%
Dec 18, 2025
Sale
PEMBLE CLIFTON A
Insider
1 week
+1.6%S&P +2.3%
1 month
+1.2%S&P +1.6%
3 months
+18.5%S&P −2.6%
6 months
+17.9%S&P +9.3%
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 GRMN
108 held · newest 5108 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.