Tomas Heyman Biography and Net Worth

Director of Exelixis


Tomas J. Heyman has been a director since May 2023. Since 2021, Mr. Heyman has served as a consultant to Interlaken Therapeutics, Inc., a biotechnology company, and as its interim Chief Executive Officer, and since 2020, he has served as Operating Partner at Bioqube Ventures, a life sciences investment firm. Previously, Mr. Heyman served as the President of Johnson & Johnson’s Corporate Venture Capital Group, the venture capital arm of Johnson & Johnson, a pharmaceutical and consumer packaged goods company, from 2015 to 2019, and as the Global Head of Business Development for Johnson & Johnson’s Pharmaceutical Group from 1992 to 2015. In addition, he served as Managing Director of Janssen Pharmaceutica, a pharmaceutical NV, a pharmaceutical company and an affiliate of Johnson & Johnson (now known as Johnson & Johnson Innovative Medicine), from 2008 to 2016. Mr. Heyman began his career as a member of the legal department of Janssen Pharmaceutica NV in 1982. Mr. Heyman has served as Non-executive Chairman of the board of directors of Venatorx Pharmaceuticals, Inc., a privately held pharmaceutical company, since 2023. He has also served as a member of the board of directors of: Legend Biotech Corporation, a publicly held biotechnology company, since 2022; OptiNose, Inc., a publicly held specialty pharmaceutical company, since 2020; and Akero Therapeutics, Inc., a publicly held biotechnology company, since 2020. Previously, Mr. Heyman served as a member of the Board of directors of Invivyd, Inc. (formerly Adagio Therapeutics), a publicly held biopharmaceutical company, from 2021 to 2024, Xilio Therapeutics, Inc., a publicly held biotechnology company, from 2022 to 2024, and as a member of the Supervisory Board of Crucell NV, a biotechnology company. In addition to his private and public company experience, Mr. Heyman has served on the board of directors of the International Biomedical Research Alliance, a non-profit organization focused on biomedical research, since 2018, and as a member of the board of directors of Interuniversitair Micro-Electronica Centrum VZW, a Belgian non-profit organization specializing in micro- and nano-electronic research, since 2012. Mr. Heyman holds a Master of Laws from Katholieke Universiteit Leuven. He continued with post-graduate studies in International Law in Geneva, Switzerland, and post-graduate studies in Business Management at the University of Antwerp in Belgium.

What is Tomas J. Heyman's net worth?

The estimated net worth of Tomas J. Heyman is at least $1.44 million as of May 21st, 2025. Mr. Heyman owns 32,470 shares of Exelixis stock worth more than $1,440,694 as of December 4th. This net worth approximation does not reflect any other investments that Mr. Heyman may own. Learn More about Tomas J. Heyman's net worth.

How do I contact Tomas J. Heyman?

The corporate mailing address for Mr. Heyman and other Exelixis executives is 1851 Harbor Bay Parkway, Alameda CA, 94502. Exelixis can also be reached via phone at (650) 837-7000 and via email at [email protected]. Learn More on Tomas J. Heyman's contact information.

Has Tomas J. Heyman been buying or selling shares of Exelixis?

Tomas J. Heyman has not been actively trading shares of Exelixis within the last three months. Most recently, Tomas J. Heyman sold 4,544 shares of the business's stock in a transaction on Wednesday, May 21st. The shares were sold at an average price of $44.29, for a transaction totalling $201,253.76. Following the completion of the sale, the director now directly owns 32,470 shares of the company's stock, valued at $1,438,096.30. Learn More on Tomas J. Heyman's trading history.

Who are Exelixis' active insiders?

Exelixis' insider roster includes Dana Aftab (EVP), Mary Beckerle (Director), Charles Cohen (Director), Sue Eckhardt (Director), Carl Feldbaum (Director), Maria Freire (Director), Maria Freire (Director), Alan Garber (Director), Patrick Haley (EVP), Jeffrey Hessekiel (EVP), Tomas Heyman (Director), David Johnson (Director), Peter Lamb (EVP), Vincent Marchesi (Director), Michael Morrissey (CEO), Bob Oliver (Director), Stelios Papadopoulos (Director), Amy Peterson (CMO), George Poste (Director), Gisela Schwab (CMO), Christopher Senner (CFO), Lance Willsey (Director), and Jack Wyszomierski (Director). Learn More on Exelixis' active insiders.

Are insiders buying or selling shares of Exelixis?

In the last year, insiders at the biotechnology company sold shares 25 times. They sold a total of 843,691 shares worth more than $36,692,651.16. The most recent insider tranaction occured on November, 21st when EVP Patrick J Haley sold 28,043 shares worth more than $1,194,070.94. Insiders at Exelixis own 2.8% of the company. Learn More about insider trades at Exelixis.

Information on this page was last updated on 11/21/2025.

Tomas J. Heyman Insider Trading History at Exelixis

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
5/21/2025Sell4,544$44.29$201,253.7632,470View SEC Filing Icon  
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Tomas J. Heyman Buying and Selling Activity at Exelixis

This chart shows Tomas J Heyman's buying and selling at Exelixis by year and by quarter.

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Exelixis Company Overview

Exelixis logo
Exelixis, Inc., an oncology company, focuses on the discovery, development, and commercialization of new medicines for difficult-to-treat cancers in the United States. The company offers CABOMETYX tablets for the treatment of patients with advanced renal cell carcinoma who received prior anti-angiogenic therapy; and COMETRIQ capsules for the treatment of progressive and metastatic medullary thyroid cancer. Its CABOMETYX and COMETRIQ are derived from cabozantinib, an inhibitor of multiple tyrosine kinases, including MET, AXL, RET, and VEGF receptors. The company also offers COTELLIC, an inhibitor of MEK as a combination regimen to treat specific forms of advanced melanoma; and MINNEBRO, an oral non-steroidal selective blocker of the mineralocorticoid receptor for the treatment of hypertension in Japan. It develops zanzalintinib, a novel, potent, next-generation oral tyrosine kinase inhibitor (TKI) that targets VEGF receptors, MET and the TAM kinases (TYRO3, AXL and MER); and XB002, a next-generation tissue factor (TF)-targeting ADC, administered via intravenous infusion and composed of a human monoclonal antibody (mAb) against TF that is conjugated to an auristatin-based microtubulin inhibitor (MTI) payload. It has research collaborations and license agreements with Ipsen Pharma SAS; Takeda Pharmaceutical Company Ltd.; F. Hoffmann-La Roche Ltd.; Redwood Bioscience, Inc.; R.P. Scherer Technologies, LLC; Catalent Pharma Solutions, Inc.; NBE Therapeutics AG; Aurigene Discovery Technologies Limited; Iconic Therapeutics, Inc.; Invenra, Inc.; StemSynergy Therapeutics, Inc.; Genentech, Inc.; Bristol-Myers Squibb Company; and Daiichi Sankyo Company, Limited, as well as clinical development agreement with Sairopa B.V. for ADU-1805. The company was formerly known as Exelixis Pharmaceuticals, Inc. and changed its name to Exelixis, Inc. in February 2000. Exelixis, Inc. was incorporated in 1994 and is headquartered in Alameda, California.
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Today's Range

Now: $44.37
Low: $43.95
High: $44.79

50 Day Range

MA: $40.60
Low: $34.54
High: $44.37

2 Week Range

Now: $44.37
Low: $31.90
High: $49.62

Volume

2,055,152 shs

Average Volume

2,450,766 shs

Market Capitalization

$11.90 billion

P/E Ratio

18.72

Dividend Yield

N/A

Beta

0.4