Sen. Elizabeth Warren sent a letter to Anthropic CEO Dario Amodei. She asked how Anthropic plans to mitigate AI risks before its IPO. The risks include losing control of systems and misuse for cyberattacks. She cited Anthropic’s own warnings of catastrophic risks. Warren also asked about safeguards against autonomous cyberattacks and bioterrorism. She warned that Anthropic’s size could affect broader markets. She requested answers by Nov 3. Anthropic filed for an IPO on Nasdaq under the ticker ANT. The company reported $16.3B revenue and $81B net loss for H1 2026. It warned revenue growth may not continue at the same rate.

• $16.3B revenue in H1 2026
• $81B net loss in H1 2026
• 1,300% YoY revenue growth
• Nov 3 response deadline