Industry - Patent Owners & Lessors

Include option trades

Include indirect trades

Latest data: 3/20/2026 10:04:43 PM

1 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($2.63) M
0 Insiders	3 Insiders
0 Transactions	4 Transactions

2/20/2026 to 3/20/2026

3 Month

Buy/Sell Ratio 0.01

0%

100%

Buy	Sell
$111,800	($21.20) M
1 Insiders	10 Insiders
1 Transactions	25 Transactions

12/20/2025 to 3/20/2026

6 Month

Buy/Sell Ratio 0.01

0%

100%

Buy	Sell
$224,208	($25.17) M
2 Insiders	13 Insiders
3 Transactions	38 Transactions

9/20/2025 to 3/20/2026

12 Month

Buy/Sell Ratio 0.03

3%

97%

Buy	Sell
$901,050	($28.01) M
7 Insiders	18 Insiders
11 Transactions	55 Transactions

3/20/2025 to 3/20/2026

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
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.	($3,133,610)	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	1

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Interdigital, Inc.	10	42
Dolby Laboratories, Inc.	4	9
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	($2,628,217)	0.00	$0	($23,150,519)	0.00	$0	($25,328,679)
Digital Turbine, Inc.	0.00	$0	($2,346)	0.00	$0	($2,346)	0.00	$0	($2,346)
Dolby Laboratories, Inc.	--	$0	$0	0.00	$0	($1,959,146)	0.00	$0	($2,560,477)
AI Era Corp.	--	$0	$0	--	$111,800	$0	--	$111,800	$0
Xcel Brands, Inc.	--	$0	$0	--	$112,408	$0	--	$350,008	$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)