James John  Walker net worth and biography

James Walker Biography and Net Worth

Mr. Walker is a Nuclear Physicist and Nuclear Engineer, with experience in reactor core manufacturing facilities, primary and secondary reactor systems, and nuclear fuel reclamation plants.  He has worked as a nuclear physicist and thermal-hydraulicist on the U.K. successor class of submarines, and was the U.K. Ministry of Defence subject matter expert for nuclear fuel reclamation.

Mr. Walker has extensive experience in engineering and project management across domains, such as mining engineering, mechanical engineering, construction, manufacturing,  and infrastructure. Mr. Walker has executive experience with several public companies as well as financing, company structuring and organization.

Mr. Walker holds degrees in Mechanical Engineering, Mining Engineering, and Nuclear Physics and Engineering, as well as qualifications in Project Management and Accountancy. He is a Chartered Physicist with the Institute of Physics, a Charted Engineer with the IMechE, a Project Manager Professional with the APM, and a Professional Engineer in North America. 

What is James John Walker's net worth?

The estimated net worth of James John Walker is at least $8.83 million as of December 24th, 2025. Walker owns 275,000 shares of Nano Nuclear Energy stock worth more than $8,830,250 as of January 29th. This net worth approximation does not reflect any other assets that Walker may own. Additionally, Walker receives a salary of $90,000.00 as CEO at Nano Nuclear Energy. Learn More about James John Walker's net worth.

How old is James John Walker?

Walker is currently 41 years old. There are 3 older executives and no younger executives at Nano Nuclear Energy. The oldest executive at Nano Nuclear Energy is Mr. David Huckeba, Chairman of the Executive Advisory Board for USA, who is 68 years old. Learn More on James John Walker's age.

What is James John Walker's salary?

As the CEO of Nano Nuclear Energy Inc., Walker earns $90,000.00 per year. The highest earning executive at Nano Nuclear Energy is Mr. Jiang Yu, Founder, Executive Chairman, President, Secretary & Treasurer, who commands a salary of $225,000.00 per year. Learn More on James John Walker's salary.

How do I contact James John Walker?

The corporate mailing address for Walker and other Nano Nuclear Energy executives is , , . Nano Nuclear Energy can also be reached via phone at 604-687-5792 and via email at [email protected]. Learn More on James John Walker's contact information.

Has James John Walker been buying or selling shares of Nano Nuclear Energy?

James John Walker has not been actively trading shares of Nano Nuclear Energy during the past quarter. Most recently, James John Walker sold 25,000 shares of the business's stock in a transaction on Wednesday, December 24th. The shares were sold at an average price of $30.12, for a transaction totalling $753,000.00. Following the completion of the sale, the chief executive officer now directly owns 275,000 shares of the company's stock, valued at $8,283,000. Learn More on James John Walker's trading history.

Who are Nano Nuclear Energy's active insiders?

Nano Nuclear Energy's insider roster includes Diane Hare (Director), James Walker (CEO), and Joe Yu (Director). Learn More on Nano Nuclear Energy's active insiders.

Are insiders buying or selling shares of Nano Nuclear Energy?

During the last twelve months, insiders at the sold shares 11 times. They sold a total of 1,936,000 shares worth more than $56,375,077.00. The most recent insider tranaction occured on January, 5th when Director Diane Elizabeth Hare sold 20,000 shares worth more than $574,000.00. Insiders at Nano Nuclear Energy own 32.8% of the company. Learn More about insider trades at Nano Nuclear Energy.

Information on this page was last updated on 1/5/2026.

James John Walker Insider Trading History at Nano Nuclear Energy

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/24/2025Sell25,000$30.12$753,000.00275,000View SEC Filing Icon  
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James John Walker Buying and Selling Activity at Nano Nuclear Energy

This chart shows James John Walker's buying and selling at Nano Nuclear Energy by year and by quarter.

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Nano Nuclear Energy Company Overview

Nano Nuclear Energy logo
NANO Nuclear Energy, Inc. is a microreactor and nuclear technology company, which provides supply energy services. Its products in technical development are ZEUS, a solid core battery reactor, and ODIN, a low-pressure coolant reactor. The company is founded by Jiang Yu in February, 2022 and is headquartered in New York, NY.
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Today's Range

Now: $32.11
Low: $30.15
High: $34.11

50 Day Range

MA: $32.28
Low: $24.01
High: $38.86

2 Week Range

Now: $32.11
Low: $17.26
High: $60.87

Volume

2,546,913 shs

Average Volume

1,970,243 shs

Market Capitalization

$1.62 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

7.48