0000756913 2024-04-29 2024-04-29 0000756913 jhvit:S000008340Member 2024-04-29 2024-04-29 0000756913 jhvit:S000008340Member rr:RiskNondiversifiedStatusMember 2024-04-29 2024-04-29 iso4217:USD pure false 2024-10-01 2023-12-31 497 0000756913 N-1A 2024-04-29 <div style="margin-top:9pt;"><span style="color:#000000;font-family:arial narrow;font-size:18pt">Prospectus Supplement</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">John Hancock Variable Insurance Trust (the Trust)</span> <br/><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Science &amp; Technology Trust (the fund)</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Supplement dated October 1, 2024 to the current Prospectus, as may be supplemented (the Prospectus)</span><span style="color:#000000;font-family:arial narrow;font-size:10pt;font-weight:bold;line-height:11pt"> </span></div><div style="margin-top:14pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">The following information supplements and supersedes any information to the contrary relating to the fund contained in the Prospectus.</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">At a special meeting of shareholders of the fund held on October 1, 2024, the fund’s shareholders approved a proposal to change the fund’s </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">diversification status from diversified to non-diversified effective on October 1, 2024 (the Effective Date).</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">Accordingly, as of the Effective Date, the following disclosure is added as the final paragraph of the fund’s “Principal investment strategies” in the “Fund </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">summary” section:</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">The fund is a non-diversified fund, which means that it may invest in a smaller number of issuers than a diversified fund and may invest more of its assets </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">in the securities of a single issuer.</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">Additionally, as of the Effective Date, the following risk is added to the fund’s “Principal risks” in the “Fund summary” section:</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Non-diversified risk.</span><span style="color:#000000;font-family:arial narrow;font-size:9pt"> Adverse events affecting a particular issuer or group of issuers may magnify losses for non-diversified funds, which may invest a </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">large portion of assets in any one issuer or a small number of issuers.</span></div> <div style="margin-top:9pt;"><span style="color:#000000;font-family:arial narrow;font-size:18pt">Prospectus Supplement</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">John Hancock Variable Insurance Trust (the Trust)</span> <br/><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Science &amp; Technology Trust (the fund)</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Supplement dated October 1, 2024 to the current Prospectus, as may be supplemented (the Prospectus)</span><span style="color:#000000;font-family:arial narrow;font-size:10pt;font-weight:bold;line-height:11pt"> </span></div><div style="margin-top:14pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">The following information supplements and supersedes any information to the contrary relating to the fund contained in the Prospectus.</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">At a special meeting of shareholders of the fund held on October 1, 2024, the fund’s shareholders approved a proposal to change the fund’s </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">diversification status from diversified to non-diversified effective on October 1, 2024 (the Effective Date).</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">Accordingly, as of the Effective Date, the following disclosure is added as the final paragraph of the fund’s “Principal investment strategies” in the “Fund </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">summary” section:</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">The fund is a non-diversified fund, which means that it may invest in a smaller number of issuers than a diversified fund and may invest more of its assets </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">in the securities of a single issuer.</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt">Additionally, as of the Effective Date, the following risk is added to the fund’s “Principal risks” in the “Fund summary” section:</span></div><div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Non-diversified risk.</span><span style="color:#000000;font-family:arial narrow;font-size:9pt"> Adverse events affecting a particular issuer or group of issuers may magnify losses for non-diversified funds, which may invest a </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">large portion of assets in any one issuer or a small number of issuers.</span></div> John Hancock Variable Insurance Trust 2024-10-01 <div style="margin-top:6pt;"><span style="color:#000000;font-family:arial narrow;font-size:9pt;font-weight:bold">Non-diversified risk.</span><span style="color:#000000;font-family:arial narrow;font-size:9pt"> Adverse events affecting a particular issuer or group of issuers may magnify losses for non-diversified funds, which may invest a </span><span style="color:#000000;font-family:arial narrow;font-size:9pt">large portion of assets in any one issuer or a small number of issuers.</span></div>