According to Axios, Anthropic has issued restrictions on unauthorized secondary market trading of its stock, prohibiting any sales or transfers without board approval. The company named eight secondary trading platforms including Hiive and Forge as prohibited venues. Anthropic also stated it does not allow special purpose vehicles (SPVs) to purchase its shares.
The restrictions are not uncommon among private companies, but enforcement remains challenging due to the use of derivative structures and SPV arrangements that operate outside direct company oversight. Anthropic issued strong warnings to potential buyers and sellers, though enforcement actions are unlikely to be extensive.
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