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Industry - Patent Owners & Lessors
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Finance, Insurance, Real Estate
Miscellaneous Investing
Include option trades
Include indirect trades
Latest data: 6/18/2026 10:01:40 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy
Sell
--
($2.17) M
0 Insiders
7 Insiders
0 Transactions
8 Transactions
5/18/2026 to 6/18/2026
3 Month
Buy/Sell Ratio 0.00
0%
100%
Buy
Sell
--
($3.35) M
0 Insiders
10 Insiders
0 Transactions
13 Transactions
3/18/2026 to 6/18/2026
6 Month
Buy/Sell Ratio 0.00
0%
100%
Buy
Sell
$111,800
($24.55) M
1 Insiders
17 Insiders
1 Transactions
38 Transactions
12/18/2025 to 6/18/2026
12 Month
Buy/Sell Ratio 0.03
2%
98%
Buy
Sell
$854,546
($30.05) M
5 Insiders
20 Insiders
9 Transactions
57 Transactions
6/18/2025 to 6/18/2026
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Grandpre Christopher M
Joint Corp
$367,591
3
D Loren Robert W
Xcel Brands, Inc.
$249,028
3
Deng Chiyuan
AI Era Corp.
$111,800
1
Disanto Mark
Xcel Brands, Inc.
$100,980
1
Zambito Michael Sikoryak
Acacia Research Corp
$25,147
1
Most Insider Selling
12 months
Name
Value
Transactions
Chen Lawrence Liren
Interdigital, Inc.
($9,548,372)
9
Brezski Richard
Interdigital, Inc.
($6,799,300)
4
Pankaj Rajesh
Interdigital, Inc.
($4,167,915)
13
Schmidt Joshua D.
Interdigital, Inc.
($2,831,628)
6
Kritzmacher John A
Interdigital, Inc.
($1,845,499)
5
Couling John D
Dolby Laboratories, Inc.
($1,340,171)
3
Revankar Shriram
Dolby Laboratories, Inc.
($1,084,210)
4
Pendleton Todd
Dolby Laboratories, Inc.
($647,857)
1
Mattis Julia C
Interdigital, Inc.
($412,240)
1
Park Robert J
Dolby Laboratories, Inc.
($277,425)
1
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Xcel Brands, Inc.
2
3
Joint Corp
1
3
AI Era Corp.
1
1
Acacia Research Corp
1
1
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Interdigital, Inc.
11
43
Dolby Laboratories, Inc.
6
11
Virnetx Holding Corp
1
1
Companies with activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Interdigital, Inc.
0.00
$0
($1,517,399)
0.00
$0
($22,767,049)
0.00
$0
($26,357,298)
Dolby Laboratories, Inc.
0.00
$0
($647,857)
0.00
$0
($1,781,070)
0.00
$0
($3,633,647)
Digital Turbine, Inc.
--
$0
$0
0.00
$0
($2,346)
0.00
$0
($2,346)
AI Era Corp.
--
$0
$0
--
$111,800
$0
--
$111,800
$0
Joint Corp
--
$0
$0
--
$0
$0
--
$367,591
$0
Acacia Research Corp
--
$0
$0
--
$0
$0
--
$25,147
$0
Xcel Brands, Inc.
--
$0
$0
--
$0
$0
--
$350,008
$0
Virnetx Holding Corp
--
$0
$0
--
$0
$0
0.00
$0
($55,618)