Nvidia fell 1.6% in premarket trading on Friday. Tesla dropped 1.4% after rising 5% in previous trading day.

NVIDIA Corp Chief Executive Jensen Huang has sold more than 5 million shares of the chip maker in recent months, totaling about $633.1 million, according to a new filing.

According to a filing Thursday with the Securities and Exchange Commission, Huang sold nearly 5.3 million shares, in tranches of 120,000 shares each, in a series of transactions between June 13 and Sept. 4.

Those were part of a Rule 10b5-1 trading plan set up earlier this year, to sell up to 6 million shares by March 31, 2025.