Nvidia insiders sold over $1 billion worth of company stock in the past year, with a notable uptick in recent trading activity as executives capitalize on surging investor interest in artificial intelligence,

Insiders at artificial intelligence chipmaker Nvidia have dumped more than $1 billion in stock over the last year, according to a Financial Times report. About half of those sales occurred during the last month as the market notched new highs and shook off geopolitical tensions.

Executives and board members at Nvidia (NASDAQ:NVDA) sold more than $1 billion of company shares in the past year, the Financial Times reported Sunday, citing company filings. A significant portion of those sales occurring in recent weeks as investor excitement over artificial intelligence drives the stock to record highs.