May 30, 2026

Anthropic named eight firms selling its shares illegally. After the backlash, it quietly removed four.

a circuit board with many small components
Anne Nygård / Unsplash

Anthropic updated its warning about unauthorized secondary market platforms selling its shares, cutting the list from eight firms to four. The revised version names only Open Door Partners, Unicorns Exchange, Pachamama, and Upmarket. Several of the m...