Michael Dell Unloads $1.2 Billion in Second Big Dell Stock Sale

Dell Technologies Inc. founder and Chief Executive Officer Michael Dell on Thursday sold 10 million shares of his namesake company’s stock worth $1.22 billion, his second significant sale in September, according to regulatory filings.

Dell earlier sold 10 million shares, worth $1.17 billion, in a series of transactions from Sept. 19 to Sept. 23, according to a filing with the Securities and Exchange Commission.

The company has benefited from the wave of investor interest in artificial intelligence companies, particularly through increasing sales of its high—powered servers. The stock has jumped 55% this year, and Dell Technologies joined the S&P 500 ...