0001719812 2026-06-24 2026-06-24 0001719812 plgi:S000096064Member 2026-06-24 2026-06-24 false N-1A 497 0001719812 Collaborative Investment Series Trust <p id="xdx_A80_eoef--SupplementToProspectusTextBlock_zsOeI2AyBF8g" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: -0.25in"><b> </b></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: -0.25in"><b>Supplement dated <span class="xdx_phnt_RGlzY2xvc3VyZSAtIEZvcm0gTi0xQSBDb3ZlcgA_" id="xdx_904_edei--DocumentPeriodEndDate_c20260624__20260624_zo2sV794M1le">June 24, 2026</span> to the Prospectus and</b></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: -0.25in"><b>Summary Prospectus dated <span id="xdx_903_eoef--ProspectusDate_c20260624__20260624_zOVIRx0pqu3h">October 22, 2025</span></b></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: -0.25in"> </p> <div style="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><div style="border-top: black 1pt solid; font-size: 1pt"> </div></div> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"> </p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Effective immediately, the Prospectus and Summary Prospectus of the Fund are hereby revised as described below.</p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><b> </b></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The first paragraph under the “PRINCIPAL INVESTMENT STRATEGIES” heading on pages 2 and 8 of the Prospectus and on page 2 of the Summary Prospectus is replaced with the following:</p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"> </p> 2026-06-24 2025-10-22 <p id="xdx_A89_eoef--StrategyNarrativeTextBlock_zSGifHENf129" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.5in; text-align: justify">The Fund is an actively managed exchange traded fund (“ETF”) that seeks long-term growth and income through a focused portfolio individual common stocks of any market capitalization. The securities will predominantly be of U.S.-based issuers traded on U.S. exchanges and may also include American Depositary Receipts (ADRs) traded on U.S. exchanges. The Fund’s adviser may also utilize targeted ETFs to gain exposure to specific asset classes, market indexes, segments or sectors.</p>