1-Z LIVE 0001971650 XXXXXXXX N true Masterworks 266, LLC 1 World Trade Center 57th Floor New York NY 10007 203-518-5172 024-12225 Class A Ordinary Shares 024-12225 0 0001971650 Masterworks 266, LLC Masterworks 266, LLC /s/ Josh Goldstein 06-29-2026 General Counsel, Secretary and Member of the Board of Managers