1-Z LIVE 0001976016 XXXXXXXX N true Masterworks 278, LLC 1 World Trade Center 57th Floor New York NY 10007 203-518-5172 024-12263 Class A Ordinary Shares 024-12263 0 0001976016 Masterworks 278, LLC Masterworks 278, LLC /s/ Josh Goldstein 06-29-2026 General Counsel, Secretary and Member of the Board of Managers