First Trust Exchange-Traded Fund VIII

03/12/2026 | Press release | Distributed by Public on 03/12/2026 10:53

Prospectus by Investment Company (Form 497)

Rule 497(e)

Registration Nos. 333-210186 and 811-23147

First Trust Exchange-Traded Fund VIII

(the "Trust")

FT Vest U.S. Equity Buffer ETF - March

FT Vest U.S. Equity Deep Buffer ETF - March

FT Vest Nasdaq-100® Buffer ETF - March

FT Vest Emerging Markets Buffer ETF - March

FT Vest International Equity Moderate Buffer ETF - March

FT Vest U.S. Equity Enhance & Moderate Buffer ETF - March

FT Vest U.S. Equity Moderate Buffer ETF - March

FT Vest U.S. Equity Equal Weight Buffer ETF - March

(each a "Fund")

Supplement To each Fund's Prospectus

Dated March 12, 2026

As described in each Fund's prospectus, Fund shareholders are subject to an upside return cap that represents the maximum percentage return an investor can achieve from an investment in a Fund for a given Target Outcome Period. On March 20, 2026, each Fund's current Target Outcome Period will end, and a new Target Outcome Period will begin as of March 23, 2026. The new Target Outcome Period will end on March 19, 2027. While the actual caps will not be determined until the first day of the new Target Outcome Period, set forth below are the anticipated cap ranges for each Fund for the Target Outcome Period beginning on March 23, 2026. A supplement to each Fund's prospectus will be filed on March 23, 2026 that will include the actual cap for the new Target Outcome Period, which may be higher or lower than the anticipated cap ranges set forth below.

Fund

Anticipated cap range

(before fees and expenses)

Anticipated cap range

(after fees and expenses, excluding brokerage commissions, trading fees, taxes and extraordinary expenses not included in the Fund's management fee)

FT Vest U.S. Equity Buffer ETF - March (FMAR) 13.50%-16.20% 12.65%-15.35%
FT Vest U.S. Equity Deep Buffer ETF - March (DMAR) 10.60%-12.70% 9.75%-11.85%
FT Vest Nasdaq-100® Buffer ETF - March (QMAR) 17.10%-20.40% 16.20%-19.50%
FT Vest Emerging Markets Buffer ETF - March (TMAR) 17.80%-23.00% 16.85%-22.05%
FT Vest International Equity Moderate Buffer ETF - March (YMAR) 12.50%-17.60% 11.60%-16.70%
FT Vest U.S. Equity Enhance & Moderate Buffer ETF - March (XMAR)  9.30%-11.70%  8.45%-10.85%
FT Vest U.S. Equity Moderate Buffer ETF - March (GMAR) 10.90%-13.30% 10.05%-12.45%
FT Vest U.S. Equity Equal Weight Buffer ETF - March (RSMR) 13.10%-17.00% 12.25%-16.15%

Please Keep this Supplement with your Fund Prospectus for Future Reference

First Trust Exchange-Traded Fund VIII published this content on March 12, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on March 12, 2026 at 16:54 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]