Anthropic S1
S-1 1 anthropicpbc-sx1.htm S-1 As filed with the Securities and Exchange Commission on October 26, 2026. Registration No. 333- UNITED STATES SE CURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Anthropic, PBC (Exact name of registrant as specified in its charter) Delaware 7372 86-1696045 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) 548 Market Street PMB 90375 San Francisco, California 94104 (415) 326-6303 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices) Dario Amodei, Chief Executive Officer and Co-Founder Daniela Amodei, President and Co-Founder Anthropic, PBC 548 Market Street PMB 90375 San Francisco, California 94104 (415) 326-6303 (Name, address, including zip code, and telephone num