Nearly every day for the past few months, Huang has sold Nvidia stock. For example, on Sept. 12 and 13, he sold about 200,000 shares, worth more than $20 million.

Chief Executive Jensen Huang recently explained. On Sept. 11 Huang presented at Goldman Sachs’s Communacopia + Technology Conference. He discussed Nvidia’s competitiveness, the Blackwell platform, Taiwan Semiconductor,