ANTHROPIC WARNS OF EIGHT FAKE SHARE MARKETPLACES

The AI company named Open Doors Partners, Unicorns Exchange, Pachamama Capital, Lionheart Ventures, Hiive, Forge Global, Sydecar, and Upmarket as unauthorized sellers. Anthropic stated that none of these platforms have authorization to facilitate buying or selling of company shares. The warning comes as secondary markets for private company shares have proliferated, offering employees and investors liquidity before traditional IPOs. However, not all platforms operate legitimately or with company approval. Investors using these platforms risk purchasing shares that hold no legal validity. Anthropic did not specify how it discovered these unauthorized sellers or whether any fraudulent transactions had already occurred. Separately, Anthropic is expanding its legal AI presence by launching twelve new Claude plugins for law firms, covering contract law, employment law, and litigation. The company has integrated its AI assistant with Thomson Reuters' CoCounsel Legal and Harvey, capitalizing on strong adoption among legal professionals.