U.S. Anthropic announced on November 10 (local time) that it had begun a roadshow for institutional investors ahead of its initial public offering (IPO). On the same day, it filed an amended registration statement (Form S-1/A) with the U.S. Securities and Exchange Commission (SEC), revealing the number of shares being offered and the expected price range (indicative terms), which had not previously been disclosed. Cover of the prospectus dated November 10