INSIDER
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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: 5/4/2026 10:05:48 PM
1 Month
Buy/Sell Ratio 0.24
19%
81%
Buy
Sell
$111,100
($469,950)
1 Insiders
1 Insiders
1 Transactions
1 Transactions
4/4/2026 to 5/4/2026
3 Month
Buy/Sell Ratio 0.02
1%
99%
Buy
Sell
$111,100
($6.93) M
1 Insiders
8 Insiders
1 Transactions
12 Transactions
2/4/2026 to 5/4/2026
6 Month
Buy/Sell Ratio 0.01
1%
99%
Buy
Sell
$352,808
($25.18) M
3 Insiders
14 Insiders
5 Transactions
38 Transactions
11/4/2025 to 5/4/2026
12 Month
Buy/Sell Ratio 0.04
3%
97%
Buy
Sell
$1.03 M
($28.41) M
7 Insiders
19 Insiders
13 Transactions
56 Transactions
5/4/2025 to 5/4/2026
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.
$222,900
2
Disanto Mark
Xcel Brands, Inc.
$118,480
2
Soncini Jason W.
Acacia Research Corp
$26,523
1
Zambito Michael Sikoryak
Acacia Research Corp
$25,147
1
Mcnulty Martin D. Jr.
Acacia Research Corp
$19,981
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.
($3,476,839)
11
Schmidt Joshua D.
Interdigital, Inc.
($2,831,628)
6
Kritzmacher John A
Interdigital, Inc.
($1,862,157)
5
Couling John D
Dolby Laboratories, Inc.
($1,390,823)
4
Revankar Shriram
Dolby Laboratories, Inc.
($919,510)
3
Markley John D. Jr.
Interdigital, Inc.
($568,758)
3
Prophet Tony A
Dolby Laboratories, Inc.
($223,905)
1
Armaly Samir
Interdigital, Inc.
($176,456)
1
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Xcel Brands, Inc.
2
3
Acacia Research Corp
2
2
Joint Corp
1
3
AI Era Corp.
1
2
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Interdigital, Inc.
10
42
Dolby Laboratories, Inc.
5
10
Acacia Research Corp
1
1
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
($469,950)
0.00
$0
($23,098,025)
0.00
$0
($25,671,908)
AI Era Corp.
--
$111,100
$0
--
$222,900
$0
--
$222,900
$0
Dolby Laboratories, Inc.
--
$0
$0
0.00
$0
($2,019,226)
0.00
$0
($2,620,557)
Digital Turbine, Inc.
--
$0
$0
0.00
$0
($2,346)
0.00
$0
($2,346)
Xcel Brands, Inc.
--
$0
$0
--
$129,908
$0
--
$367,508
$0
Virnetx Holding Corp
--
$0
$0
0.00
$0
($55,618)
0.00
$0
($55,618)
Joint Corp
--
$0
$0
--
$0
$0
--
$367,591
$0
Acacia Research Corp
--
$0
$0
--
$0
$0
1.17
$71,651
($61,440)