Jim Black is NextNav’s General Counsel and Corporate Secretary, where he leads the company’s legal, compliance, and corporate governance functions. He oversees all legal operations, contracts management, regulatory compliance, corporate governance, and intellectual property strategy while delivering expert counsel on securities law, risk mitigation strategies, and complex corporate transactions.
With 20 years of legal experience advising public company leadership teams and boards of directors, he is an experienced attorney with valuable in-house counsel expertise. Jim navigates complex legal landscapes while ensuring business decisions align with legal and regulatory requirements, providing clear guidance to executive leadership as NextNav evolves.
Before joining NextNav, Jim served as the general counsel of Terran Orbital Corporation, where he managed legal operations for the NYSE-listed satellite manufacturer and led the company through its recent sale to Lockheed Martin. His distinguished career also includes serving as the chief legal officer of Nasdaq-listed Osiris Therapeutics and senior legal positions at Ultra Electronics, Osiris Therapeutics, and Northrop Grumman.
Jim holds a Juris Doctor from the William and Mary School of Law, a Master of Arts in Anthropology from The George Washington University, and a Bachelor of Science in Anthropology from James Madison University.
What is James S. Black's net worth?
The estimated net worth of James S. Black is at least $1.67 million as of June 12th, 2026. Mr. Black owns 91,688 shares of NextNav stock worth more than $1,666,888 as of June 22nd. This net worth estimate does not reflect any other assets that Mr. Black may own. Learn More about James S. Black's net worth.
How do I contact James S. Black?
Has James S. Black been buying or selling shares of NextNav?
During the past quarter, James S. Black has sold $43,118.88 of NextNav stock. Most recently, James S. Black sold 1,878 shares of the business's stock in a transaction on Friday, June 12th. The shares were sold at an average price of $22.96, for a transaction totalling $43,118.88. Following the completion of the sale, the general counsel now directly owns 91,688 shares of the company's stock, valued at $2,105,156.48. Learn More on James S. Black's trading history.
Who are NextNav's active insiders?
Are insiders buying or selling shares of NextNav?
During the last year, NextNav insiders bought shares 1 times. They purchased a total of 58,457 shares worth more than $693,300.02. During the last year, insiders at the sold shares 16 times. They sold a total of 847,340 shares worth more than $11,624,734.27. The most recent insider tranaction occured on June, 16th when CEO Mariam Sorond sold 2,830 shares worth more than $51,873.90. Insiders at NextNav own 7.8% of the company.
Learn More about insider trades at NextNav. Information on this page was last updated on 6/16/2026.
