As data mining firm Palantir’s shares continue to climb, Thiel is cashing out. He’s not the only Palantir insider doing so.

Peter Thiel sold almost $600 million of Palantir Technologies Inc. stock this week, bringing his total disposals this year to more than $1 billion. He sold more than 16 million shares over three days this week, according to a regulatory filing, adding to the 20 million shares he sold in March and May.

Palantir Chairman Peter Thiel just sold big blocks of shares of the data-analytics firm, and he still has a substantial amount of stock to sell. Thiel sold 16,178,415 Palantir shares from Tuesday through Thursday for a total of $597 million,

Peter Thiel has sold nearly $600 million worth of Palantir Technologies Inc. (NYSE:PLTR) stock this week, according to the company’s regulatory filing with U.S. Securities and Exchange Commission. This brings his total stock sales for the year to over