Rule 497(e)

File No. 333-146827

Innovator ETFs^Ò Trust

(the “Trust”)

Innovator Uncapped Bitcoin 20 Floor ETF^Ò – Quarterly

(the “Fund”)

Supplement To the Fund’s Prospectus
Dated February 27, 2026, As Supplemented To Date

June 24, 2026

As described in detail in the Fund’s prospectus, the Fund participates in a percentage of gains of the Bitcoin Price (the “Participation Rate”) over an approximately three-month period (the “Outcome Period”). The current Outcome Period will end on June 30, 2026, and the Fund will commence a new Outcome Period that will begin on July 1, 2026 and end on September 30, 2026. The Fund’s new Participation Rate will not be determined until the start of the new Outcome Period. At the commencement of the new Outcome Period, the Fund will file a supplement to its prospectus that will include the actual Participation Rate for the new Outcome Period, which may be higher or lower than the estimated Participation Rate range set forth below. As of June 23, 2026, the expected range of the Fund’s Participation Rate is set forth below.

* Prior to taking into account management fees and other fees.

Please Keep This Supplement With Your Prospectus For Future Reference

INVETFQBFSTK 06-26