E236: Mercor $350M Series C quintuples valuation to $10B amid AI data pivot; OpenAI restructuring to PBC unlocks $40B fundraising at $500B valuation; SoftBank greenlights $22.5B final tranche to OpenAI contingent on PBC shift; OpenAI advances generative m

This Week in Pre-IPO Stocks - E236: Mercor $350M Series C quintuples valuation to $10B amid AI data pivot; OpenAI restructuring to PBC unlocks $40B fundraising at $500B valuation; SoftBank greenlights $22.5B final tranche to OpenAI contingent on PBC shift; OpenAI advances generative m