Schedule 13D - Activist Investments
NYSE
SK Telecom's subsidiary, Astra AI Infra LLC, has entered into an agreement to sell its 200,000 convertible preferred shares in Penguin Solutions, Inc. to SHIFTIX1 LLC for $380.3 million.
Schedule 13G - Passive Investments
NYSE
Wellington Management Group LLP and its affiliates have reported beneficial ownership of 5.4% of SK Telecom Co., Ltd. common stock as of March 31, 2026.