"It will definitely spook some retail traders," said Oriano Lizza premium sales trader at brokerage CMC Markets in Singapore.
"Some people will be tightening stops or looking to close out," he said. "Though (Musk) will want to protect the stock to some extent and won't want people running for the door." Four former and current Tesla board members, including Musk's brother Kimbal Musk, have filed to sell nearly $1 billion worth of shares since Tesla's market value surpassed $1 trillion late last month, according to filings and market data.
The company's share price has made staggering gains over recent years and has epitomised the ebullient mood in U.S.