Nvidia logo on phone screen with stock chart by xalien via Shutterstock. Recent insider selling activity at Nvidia (NVDA) has reached unprecedented levels, with executives and boa

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.

Nvidia insiders have sold more than $1bn of the company’s stock over the past 12 months including a recent surge in trading as they cash in on investors’ enthusiasm for artificial intelligence. More than $500mn of the share sales took place this month as the California-based chips designer’s share price climbed to a record high.