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Jonathan Zalevsky net worth and biography
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Jonathan Zalevsky Biography and Net Worth

Insider of Nektar Therapeutics
Jonathan Zalevsky was appointed Nektar’s Chief Research & Development Officer in October 2019 to lead all aspects of the R&D organization, including research, clinical development, regulatory affairs, and biologics process development. Dr. Zalevsky joined the Company in 2015 and has served as our Chief Scientific Officer since 2017. During his tenure at Nektar, Dr. Zalevsky’s expertise in immunology, and across biological modalities and therapeutic areas, has helped fuel the growth of the company’s immuno-oncology and immunology pipeline. Dr. Zalevsky led the early development for bempegaldeskleukin and NKTR-358.

Prior to joining Nektar, Dr. Zalevsky was Global Vice President and Head of the Inflammation Drug Discovery Unit at Takeda Pharmaceuticals. As the leading immunologist for Takeda, he was responsible for an immunology pipeline that spanned from early target discovery to late-stage development and marketed products. Prior to his work at Takeda, Dr. Zalevsky worked in research and development at Xencor, where he oversaw the discovery and development of Xencor's first four clinical-stage assets.

Dr. Zalevsky received his Ph.D. in Biochemistry from the Tetrad Program at the University of California, San Francisco. He received dual B.S. degrees in Biochemistry and Molecular, Cellular, and Developmental Biology from the University of Colorado at Boulder.

What is Jonathan Zalevsky's net worth?

The estimated net worth of Jonathan Zalevsky is at least $253,789.77 as of February 19th, 2025. Dr. Zalevsky owns 316,604 shares of Nektar Therapeutics stock worth more than $253,790 as of March 27th. This net worth evaluation does not reflect any other assets that Dr. Zalevsky may own. Additionally, Dr. Zalevsky receives an annual salary of $1,250,000.00 as Insider at Nektar Therapeutics. Learn More about Jonathan Zalevsky's net worth.

How old is Jonathan Zalevsky?

Dr. Zalevsky is currently 49 years old. There are 4 older executives and no younger executives at Nektar Therapeutics. The oldest executive at Nektar Therapeutics is Mr. Howard W. Robin, CEO, President & Director, who is 71 years old. Learn More on Jonathan Zalevsky's age.

What is Jonathan Zalevsky's salary?

As the Insider of Nektar Therapeutics, Dr. Zalevsky earns $1,250,000.00 per year. The highest earning executive at Nektar Therapeutics is Mr. Howard W. Robin, CEO, President & Director, who commands a salary of $1,830,000.00 per year. Learn More on Jonathan Zalevsky's salary.

How do I contact Jonathan Zalevsky?

The corporate mailing address for Dr. Zalevsky and other Nektar Therapeutics executives is 455 MISSION BAY BOULEVARD SOUTH, SAN FRANCISCO CA, 94158. Nektar Therapeutics can also be reached via phone at (415) 482-5300 and via email at investors@nektar.com. Learn More on Jonathan Zalevsky's contact information.

Has Jonathan Zalevsky been buying or selling shares of Nektar Therapeutics?

During the last ninety days, Jonathan Zalevsky has sold $10,403.00 in Nektar Therapeutics stock. Most recently, Jonathan Zalevsky sold 10,300 shares of the business's stock in a transaction on Wednesday, February 19th. The shares were sold at an average price of $1.01, for a transaction totalling $10,403.00. Following the completion of the sale, the insider now directly owns 316,604 shares of the company's stock, valued at $319,770.04. Learn More on Jonathan Zalevsky's trading history.

Who are Nektar Therapeutics' active insiders?

Nektar Therapeutics' insider roster includes Robert Chess (Director), Myriam Curet (Director), Gil Labrucherie (CFO), John Northcott (SVP), Howard Robin (CEO), Jillian Thomsen (CAO), Mark Wilson (SVP), and Jonathan Zalevsky (Insider). Learn More on Nektar Therapeutics' active insiders.

Are insiders buying or selling shares of Nektar Therapeutics?

During the last year, insiders at the biopharmaceutical company sold shares 13 times. They sold a total of 310,901 shares worth more than $377,218.13. The most recent insider tranaction occured on February, 19th when insider Jonathan Zalevsky sold 10,300 shares worth more than $10,403.00. Insiders at Nektar Therapeutics own 3.7% of the company. Learn More about insider trades at Nektar Therapeutics.

Information on this page was last updated on 2/19/2025.

Jonathan Zalevsky Insider Trading History at Nektar Therapeutics

Jonathan Zalevsky Buying and Selling Activity at Nektar Therapeutics

This chart shows Jonathan Zalevsky's buying and selling at Nektar Therapeutics by year and by quarter.

Skip ChartChart Data in Insider Trading History Table
2022202320242025$0bought$10ksoldQ1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1-$200k$0$200kTotal Insider BuyingTotal Insider Selling

Nektar Therapeutics Company Overview

Nektar Therapeutics logo
Nektar Therapeutics, a biopharmaceutical company, focuses on discovering and developing medicines in the field of immunotherapy in the United States and internationally. The company is developing rezpegaldesleukin, a cytokine Treg stimulant that is in phase 2 clinical trial for the treatment of systemic lupus erythematosus and ulcerative colitis, as well as phase 2b clinical trial to treat atopic dermatitis and psoriasis; and NKTR-255, an IL-15 receptor agonist, which is in phase 1 clinical trial to boost the immune system's natural ability to fight cancer. It has collaboration agreements with Takeda Pharmaceutical Company Ltd.; AstraZeneca AB; UCB Pharma S.A.; F. Hoffmann-La Roche Ltd; Bausch Health Companies Inc.; Pfizer Inc.; Amgen Inc.; UCB Pharma (Biogen); Bristol-Myers Squibb Company; Merck KGaA; and SFJ Pharmaceuticals, Inc. The company was incorporated in 1990 and is headquartered in San Francisco, California.
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Today's Range

Now: $0.80
Low: $0.75
High: $0.84

50 Day Range

MA: $0.85
Low: $0.66
High: $1.06

2 Week Range

Now: $0.80
Low: $0.65
High: $1.93

Volume

2,250,754 shs

Average Volume

1,872,865 shs

Market Capitalization

$149.18 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.65