Mach Industries, which makes unmanned military vehicles and weapons, raised $600M in an extension to its $300M Series C, doubling its valuation to $3.7B (Julie Bort/TechCrunch)

Mach Industries raised an extra $600 million in a Series C extension, bringing its valuation to $3.7 billion. AI researcher Jacob Coxon departed Anthropic two months before his equity vested, citing safety concerns. Paul Christiano joined the OpenAI Foundation board and its Safety and Security Committee. Apple unveiled its first foldable phone, the iPhone Duo, with a 5.4-inch outer and 7.6-inch inner display powered by an A20 Pro chip.