Anthropic warns against unauthorized stock exposure as token markets imply trillion-dollar valuation

The AI firm says investors should assume indirect access to its private shares is invalid, and transfers of its stock or interests in its stock will not be recognized.

Anthropic, the AI company behind Claude, is warning investors that tokenized products claiming to offer access to its private shares may be invalid, escalating a fight over whether restricted pre-IPO stock can be repackaged for…