Active2 developments · 2 sources · over 1 daysAnthropic Warns Against Unauthorized Share SalesHow it developedMay 12, 2026TechCrunch AIWhere it startedAnthropic Warns Against Unauthorized Share SalesMay 13, 2026The AI Daily BriefAnthropic and OpenAI Warn on Secondary-Market TokensOpenAI joins Anthropic in warning against secondary-market tokens tied to private stock.