First Trust Exchange-Traded Fund VIII

07/07/2026 | Press release | Distributed by Public on 07/07/2026 12:57

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 - July

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

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

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

FT Vest Nasdaq-100® Conservative Buffer ETF - July

(each a "Fund")

Supplement To each Fund's Prospectus

Dated July 7, 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 July 17, 2026, each Fund's current Target Outcome Period will end, and a new Target Outcome Period will begin as of July 20, 2026. The new Target Outcome Period will end on July 16, 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 July 20, 2026. A supplement to each Fund's prospectus will be filed on July 20, 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 - July (FJUL) 13.70% - 16.00% 12.85% - 15.15%
FT Vest U.S. Equity Deep Buffer ETF - July (DJUL) 11.30% - 13.10% 10.45% - 12.25%
FT Vest U.S. Equity Moderate Buffer ETF - July (GJUL) 11.30% - 13.20% 10.45% - 12.35%
FT Vest U.S. Equity Enhance & Moderate Buffer ETF - July (XJUL)  9.50% - 11.40%  8.65% - 10.55%
FT Vest Nasdaq-100® Conservative Buffer ETF - July (QCJL) 14.20% - 16.80% 13.30% - 15.90%

Please Keep this Supplement with your Fund Prospectus for Future Reference

First Trust Exchange-Traded Fund VIII published this content on July 07, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on July 07, 2026 at 18:57 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 If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]