OpenAI CEO Sam Altman walks between meetings on Capitol Hill, in Washington, U.S., July 29, 2026.Nathan Howard | ReutersOpenAI completed a secondary share sale totaling roughly $7 billion, allowing current and former employees to sell stock at the company's $852 billion valuation, CNBC confirmed on Monday.The tender offer has been in the works since OpenAI closed its record-breaking $122 billion funding round in March. The deal will help alleviate some near-term pressure for liquidity, allowing ...