Simon Irish Biography and Net Worth

Chief Executive Officer & Director of Terrestrial Energy

Simon Irish has served as Terrestrial Energy’s Chief Executive Officer and a member of the board of directors of Terrestrial Energy and its predecessors since 2014. Mr. Irish brings more than 20 years of finance and investment management experience across a broad range of market sectors and industries, both domestically and internationally. Previously, Mr. Irish held senior positions for nearly 8 years at Man Global Strategies (“MGS”), including head of MGS in North America. MGS is the strategic investment division of Man Group Plc (“MAN”), a leading global investment management business. During his time at MGS, Mr. Irish was responsible for building and managing the largest and most active strategic investment and managed account business in North America at the time. Mr. Irish was also a member of MAN’s Investment Committee and responsible for corporate acquisition opportunities in North America. Prior to that, Mr. Irish was a derivatives structurer and trader at Credit Suisse Financial Products, a London-based investment firm and a leading global bank in the derivatives sector. Mr. Irish holds an MA in Natural Sciences from Cambridge University and an MSc in Finance from the London Business School.

What is Simon Irish's net worth?: The estimated net worth of Simon Irish is at least $6.77 million as of October 13th, 2026. Mr. Irish owns 2,312,834 shares of Terrestrial Energy stock worth more than $6,765,039 as of October 14th. This net worth approximation does not reflect any other investments that Mr. Irish may own. Learn More about Simon Irish's net worth.
How do I contact Simon Irish?: The corporate mailing address for Mr. Irish and other Terrestrial Energy executives is 2730 W. Tyvola Road, Suite 100, Charlotte, NC, 28217. Terrestrial Energy can also be reached via phone at (203) 930-2200. Learn More on Simon Irish's contact information.
Has Simon Irish been buying or selling shares of Terrestrial Energy?: Over the course of the past ninety days, Simon Irish has bought $50,869.00 in Terrestrial Energy stock. Most recently, on Tuesday, October 13th, Simon Irish bought 16,900 shares of Terrestrial Energy stock. The stock was acquired at an average cost of $3.01 per share, with a total value of $50,869.00. Following the completion of the transaction, the chief executive officer now directly owns 2,312,834 shares of the company's stock, valued at $6,961,630.34. Learn More on Simon Irish's trading history.
Are insiders buying or selling shares of Terrestrial Energy?: In the last year, Terrestrial Energy insiders bought shares 1 times. They purchased a total of 16,900 shares worth more than $50,869.00. The most recent insider tranaction occured on October, 13th when CEO Simon Irish bought 16,900 shares worth more than $50,869.00. Insiders at Terrestrial Energy own 28.6% of the company. Learn More about insider trades at Terrestrial Energy.
Information on this page was last updated on 10/13/2026.

Simon Irish Insider Trading History at Terrestrial Energy

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
10/13/2026	Buy	16,900	$3.01	$50,869.00	2,312,834

Simon Irish Buying and Selling Activity at Terrestrial Energy

Terrestrial Energy Company Overview

Terrestrial Energy Inc. produces carbon free nuclear energy in North Carolina and internationally. The company was founded in 2013 and is headquartered in Charlotte, North Carolina.

Today's Range

Now: $2.93

$2.89

$3.08

50 Day Range

MA: $4.78

$2.96

$6.06

2 Week Range

Now: $2.93

$2.79

$31.50

Volume

989,622 shs

Average Volume

2,404,368 shs

Market Capitalization

$309.85 million

P/E Ratio

N/A

Dividend Yield