Anthropic Voids Unauthorized Stock Transfers

Anthropic, the artificial intelligence company behind the Claude model, declared on May 11, 2026, that any unauthorized sales or transfers of its private stock are void and will not be recognized on its official records, triggering sharp declines in Solana-based tokens claiming exposure to the firm's shares.

The company updated its investor warning page to state that transfers of preferred or common stock, or any interest in that stock, require board approval. "Any sale or transfer of Anthropic stock, or any interest in Anthropic stock, that has not been approved by our Board of Directors is void and will not be recognized on our books and records," Anthropic said. It specified that special purpose vehicles are not permitted to acquire its stock without approval, and any such transfers are invalid. The policy also targets direct sales, forward contracts, tokenized securities, and similar mechanisms offered by third parties.

Anthropic named several entities as unauthorized channels for buying or selling its shares, including Open Door Partners, Unicorns Exchange, Pachamama, Lionheart Ventures, Sydecar, Upmarket, and new offerings on Hiive and Forge Global. Token holders in these...