Joan H.  Gillman net worth and biography

Joan Gillman Biography and Net Worth

Director of InterDigital

JOAN H. GILLMAN has been a director of the company since April 2017. From 2006 to 2016, Ms. Gillman served as Executive Vice President of Time Warner Cable, Inc. (“Time Warner Cable”), as well as Chief Operating Officer of Time Warner Cable Media and President of Time Warner Cable Media, LLC. Ms. Gillman joined Time Warner Cable as Vice President of Interactive TV and Advanced Advertising in 2005. Prior to Time Warner Cable, among other roles, she served as the President of Static2358, the interactive TV, games and production subsidiary of OpenTV, and as Director, Business Development, of British Interactive Broadcasting, the digital and interactive TV joint venture between BSkyB, BT, HSBC and Matsushita. Ms. Gillman began her career working in public affairs, serving in various roles for a U.S. Senator, including as Legislative Director and State Director. From October 2016 to February 2021, Ms. Gillman has also been a member of the board of directors of Centrica plc, an international energy and services company based in the United Kingdom where she served on the safety, health, environment, security, remunerations and ethics and nominating committees. In addition, since November 2016, she has served on the board of directors of Airgain, Inc., a leading provider of embedded antenna technologies used to enable high performance wireless networking, and she is currently a member of such board’s audit committee, and chairs the nominating and corporate governance committee, as well as the board of directors of Cumulus Media, which she joined in June 2018 and where she is a member of the compensation and nominating committees of such board. Since May 2018, she has also chaired the Jesuit Volunteer Corps and is the Foundation Manager and Trustee of the David T. Langrock Foundation.

What is Joan H. Gillman's net worth?

The estimated net worth of Joan H. Gillman is at least $8.07 million as of February 11th, 2026. Ms. Gillman owns 22,036 shares of InterDigital stock worth more than $8,065,220 as of February 24th. This net worth approximation does not reflect any other investments that Ms. Gillman may own. Learn More about Joan H. Gillman's net worth.

How do I contact Joan H. Gillman?

The corporate mailing address for Ms. Gillman and other InterDigital executives is 200 BELLEVUE PARKWAY SUITE 300, WILMINGTON DE, 19809. InterDigital can also be reached via phone at (302) 281-3600 and via email at [email protected]. Learn More on Joan H. Gillman's contact information.

Has Joan H. Gillman been buying or selling shares of InterDigital?

Within the last three months, Joan H. Gillman has sold $114,478.00 in InterDigital stock. Most recently, Joan H. Gillman sold 325 shares of the business's stock in a transaction on Wednesday, February 11th. The shares were sold at an average price of $352.24, for a transaction totalling $114,478.00. Following the completion of the sale, the director now directly owns 22,036 shares of the company's stock, valued at $7,761,960.64. Learn More on Joan H. Gillman's trading history.

Who are InterDigital's active insiders?

InterDigital's insider roster includes Derek Aberle (Director), Samir Armaly (Director), Richard Brezski (CFO), Richard Brezski (CFO), Lawrence Chen (President, CEO & Director), Lawrence Chen (President & CEO), Joan Gillman (Director), Eeva Hakoranta (Insider), John Kritzmacher (Director), Pierre-Yves Lesaicherre (Director), John Markley, Jr. (Director), Rajesh Pankaj (EVP, Chief Technology Officer), Jean Rankin (Director), and Joshua Schmidt (Insider). Learn More on InterDigital's active insiders.

Are insiders buying or selling shares of InterDigital?

During the last year, insiders at the Wireless communications provider sold shares 33 times. They sold a total of 58,512 shares worth more than $18,644,210.25. The most recent insider tranaction occured on February, 11th when Director Joan H Gillman sold 325 shares worth more than $114,478.00. Insiders at InterDigital own 2.3% of the company. Learn More about insider trades at InterDigital.

Information on this page was last updated on 2/11/2026.

Joan H. Gillman Insider Trading History at InterDigital

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/11/2026Sell325$352.24$114,478.0022,036View SEC Filing Icon  
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Joan H. Gillman Buying and Selling Activity at InterDigital

This chart shows Joan H Gillman's buying and selling at InterDigital by year and by quarter.

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InterDigital Company Overview

InterDigital logo
InterDigital, Inc. operates as a global research and development company with focus primarily on wireless, visual, artificial intelligence (AI), and related technologies. The company engages in the design and development of technologies that enable connected in a range of communications and entertainment products and services, which are licensed to companies providing such products and services, including makers of wireless communications, consumer electronics, IoT devices, and cars and other motor vehicles, as well as providers of cloud-based services, such as video streaming. It designs and develops a range of innovations for use in digital cellular and wireless products and networks, including 2G, 3G, 4G, 5G, and IEEE 802-related products and networks. The company also develops cellular technologies, such as technologies related to CDMA, TDMA, OFDM/OFDMA, and MIMO for use in 2G, 3G, 4G, and 5G wireless networks, as well as mobile terminal devices; and 3GPP technology portfolio in 5G, 5G, advanced and 6G, as well as technologies for automobiles, wearables, smart homes, drones, and other connected consumer electronic products. In addition, it provides video coding and transmission technologies; and engages in the research and development of artificial intelligence and machine learning solutions. Further, the company's patented technologies are used in various products that include smartphones, tablets, consumer electronics, and base stations; televisions, laptops, gaming consoles, set-top boxes, streaming devices, and connected automobiles. InterDigital, Inc. was incorporated in 1972 and is headquartered in Wilmington, Delaware.
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Today's Range

Now: $362.96
Low: $352.71
High: $368.95

50 Day Range

MA: $333.46
Low: $306.69
High: $376.60

2 Week Range

Now: $362.96
Low: $180.60
High: $412.60

Volume

188,851 shs

Average Volume

292,648 shs

Market Capitalization

$9.32 billion

P/E Ratio

30.42

Dividend Yield

0.78%

Beta

1.58