BOSTON—A Russian national has been extradited to the United States from Switzerland to face charges relating to his alleged involvement in a global scheme to trade on non-public information stolen from U.S. computer networks that netted tens of millions of dollars in illegal profits. Four other Russian nationals were also charged as part of the scheme. Vladislav Klyushin, also known as “Vladislav Kliushin,” 41, of Moscow, Russia, was arrested in Sion, Switzerland on March 21, 2021 and was extradited to the United States on Dec. 18. Charges were unsealed this morning in U.S. District Court in Massachusetts. Klyushin is chargedBOSTON—A Russian national has been extradited to the United States from Switzerland to face charges relating to his alleged involvement in a global scheme to trade on non-public information stolen from U.S. computer networks that netted tens of millions of dollars in illegal profits. Four other Russian nationals were also charged as part of the ► The FINANCIAL America