Industry - Patent Owners & Lessors

Include option trades

Include indirect trades

Latest data: 9/14/2026 10:02:20 PM

1 Month

Buy/Sell Ratio 0.03

2%

98%

Buy	Sell
$33,980	($1.26) M
1 Insiders	5 Insiders
5 Transactions	13 Transactions

8/14/2026 to 9/14/2026

3 Month

Buy/Sell Ratio 0.01

1%

99%

Buy	Sell
$33,980	($2.84) M
1 Insiders	9 Insiders
5 Transactions	21 Transactions

6/14/2026 to 9/14/2026

6 Month

Buy/Sell Ratio 0.02

1%

99%

Buy	Sell
$145,080	($8.28) M
2 Insiders	18 Insiders
6 Transactions	35 Transactions

3/14/2026 to 9/14/2026

12 Month

Buy/Sell Ratio 0.01

1%

99%

Buy	Sell
$386,788	($31.35) M
3 Insiders	24 Insiders
10 Transactions	72 Transactions

9/14/2025 to 9/14/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Deng Chiyuan AI Era Corp.	$222,900	2
D Loren Robert W Xcel Brands, Inc.	$146,388	7
Disanto Mark Xcel Brands, Inc.	$17,500	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.	($4,815,845)	13
Schmidt Joshua D. Interdigital, Inc.	($2,596,089)	4
Kritzmacher John A Interdigital, Inc.	($1,845,499)	5
Couling John D Dolby Laboratories, Inc.	($1,340,171)	3
Revankar Shriram Dolby Laboratories, Inc.	($747,900)	4
Pendleton Todd Dolby Laboratories, Inc.	($647,857)	1
Mattis Julia C Interdigital, Inc.	($412,240)	1
Larsen Kendall Virnetx Holding Corp	($395,778)	6

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
AI Era Corp.	1	2
Xcel Brands, Inc.	1	1

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Interdigital, Inc.	11	43
Dolby Laboratories, Inc.	7	13
Virnetx Holding Corp	2	9
Acacia Research Corp	2	4

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Interdigital, Inc.	0.00	$0	($507,000)	0.00	$0	($5,927,747)	0.00	$0	($26,989,006)
Virnetx Holding Corp	0.00	$0	($478,927)	0.00	$0	($478,927)	0.00	$0	($534,545)
Acacia Research Corp	0.00	$0	($198,042)	0.00	$0	($348,360)	0.00	$0	($348,360)
Dolby Laboratories, Inc.	0.00	$0	($77,223)	0.00	$0	($1,520,690)	0.00	$0	($3,479,835)
Xcel Brands, Inc.	--	$33,980	$0	--	$33,980	$0	--	$163,888	$0
AI Era Corp.	--	$0	$0	--	$111,100	$0	--	$222,900	$0
Digital Turbine, Inc.	--	$0	$0	--	$0	$0	0.00	$0	($2,346)