On October 7, during the third quarter, billionaires closely tied to the artificial intelligence industry emerged as the primary force behind stock reductions by corporate insiders. This period saw intense volatility in tech stocks and frequent warnings from the market about potential risks associated with AI. According to data from Washington Service, which tracks insider transactions, Mark Stevens, a billionaire venture capitalist and NVIDIA director, led the list of insider stock reductions in the third quarter, a time when NVIDIA's stock valuation briefly approached its lowest point in over a decade. Additionally, among the top ten AI-related billionaires reducing their holdings were Jayshree Ullal, CEO of Arista Networks, and Jeff Bezos, founder of Amazon. According to the Bloomberg Billionaires Index, the combined net worth of these three individuals is approximately $302 billion.