http://archive.fast-edgar.com/20260817/A82LB62FZZ2RMZZ222JN2ZYLWORMZZ22X282
Filed on: August 17, 2026
http://archive.fast-edgar.com/20260817/ARZZQ22CZZ22A2N2229M2MZ2TM8LZ72SA482
Filed on: August 17, 2026
http://archive.fast-edgar.com/20260817/AV22J22MZ222H2M2222J2242JWACCN223282
Filed on: August 17, 2026
http://archive.fast-edgar.com/20260817/AQZT8G2CJM22QZZ8222L2ZZIACF8Z22IZ282
Filed on: August 17, 2026
Rule 497(e)
File No. 333-191151
CALAMOS ETF TRUST
(the “Trust”)
Calamos Nasdaq-100® Structured Alt Protection ETF® – September
(the “Fund”)
Supplement dated August 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... (continue reading...)
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