Why Anthropicβs IPO Prospectus Is Missing So Many Key Figures Wired By: Lauren GoodeοΌ Caroline HaskinsοΌ Kate Taylor 26 October 2026 at 17:27 Anthropicβs S-1 filing is hundreds of pages longβand it leaves out quite a few financial details. βAnthropic owes investors more information,β one analyst tells WIRED.