The investment objective of the FT Vest U. S. Equity Deep Buffer ETF - December (the "Fund") is to seek to provide investors with returns (before fees and expenses) that match the price return of the SPDR S&P 500 ETF Trust (the "Underlying ETF"), up to a predetermined upside cap of 11.96% while providing a buffer (before fees and expenses) against Underlying ETF losses between -5% and -30% over the period from December 22, 2025 to December 18, 2026.