http://archive.fast-edgar.com/20260717/AKBZG22C6222M2P2222Q22Z2HBWDZ2225P82
Filed on: July 17, 2026
http://archive.fast-edgar.com/20260717/A52ZE22FZ22RR2ZZ272A2CYKF4Q8ZZ22ZS82
Filed on: July 17, 2026
http://archive.fast-edgar.com/20260717/AM22GG2CZM22MZCZ2H2K2Z42GVLMIC22Z282
Filed on: July 17, 2026
http://archive.fast-edgar.com/20260717/ANBZ822CI222JTZZ2I2R2ZZZP3CLZ2V2ZL82
Filed on: July 17, 2026
Rule 497(e)
File No. 333-191151
CALAMOS ETF TRUST
(the “Trust”)
Calamos S&P 500® Structured Alt Protection ETF® – August
(the “Fund”)
Supplement dated July 17, 2026
to the Fund’s Prospectus dated November 28, 2025, as amended
This supplement updates certain information contained in the Fund’s prospectus and should be attached to the prospectus and retained for future reference.
Capitalized terms not defined herein have the same meaning as... (continue reading...)
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