In the filing last week with the U.S. Securities and Exchange Commission, the Redmond, Wash.-based software company reported Mr. Nadella sold 838,584 shares over two days, down from close to 1.7 million shares.

The transaction yielded more than $285 million for Mr. Nadella. This is the single-largest stock sale for Mr. Nadella, according to InsiderScore.

Microsoft’s Satya Nadella Sells Half of His Shares in the Company – WSJ