0001041357 2026-07-10 2026-07-10 0001041357 nationwide:C000211469Member nationwide:VanguardVariableInsuranceFundMorningstarMidCapIndexPortfolioMember 2026-07-10 2026-07-10 0001041357 nationwide:C000211469Member 2026-07-10 2026-07-10 NATIONWIDE VLI SEPARATE ACCOUNT 4 0001041357 false N-6 N-6 2026-07-10 <span style="color:#000000;font-family:Arial;font-size:10pt;">The following underlying mutual fund is offered as an investment option under the contract or policy. </span><span style="color:#000000;font-family:Arial;font-size:10pt;">Effective July 29, 2026, the name of the investment option is updated as indicated below:</span><span style="color:#000000;font-family:Arial;font-size:1pt;line-height:1pt;"> </span> <table cellpadding="0" cellspacing="0" style="border-bottom:0.5pt solid #000000;border-left:0.5pt solid #000000;border-right:0.5pt solid #000000;border-top:0.5pt solid #000000;empty-cells:show;width:541pt;"> <tr style="height:17.5pt;"> <td style="border-bottom:0.5pt solid #000000;border-right:0.5pt solid #000000;padding-bottom:3.125pt;padding-top:3.125pt;vertical-align:Bottom;width:270.5pt;"> <div style="line-height:11.0pt;text-align:left;"> <div style="margin-left:3pt;margin-right:5.75pt;text-align:Center;white-space:nowrap;"><span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;">CURRENT NAME</span></div></div></td> <td style="border-bottom:0.5pt solid #000000;padding-bottom:3.125pt;padding-top:3.125pt;vertical-align:Bottom;width:270.5pt;"> <div style="line-height:11.0pt;text-align:left;"> <div style="margin-left:5.75pt;margin-right:3pt;text-align:Center;white-space:nowrap;"><span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;">UPDATED NAME</span></div></div></td></tr> <tr style="height:25.5pt;"> <td style="border-right:0.5pt solid #000000;padding-bottom:1.5pt;padding-top:3.125pt;vertical-align:Top;width:270.5pt;"> <div style="line-height:11pt;text-align:left;"> <div style="margin-left:3pt;margin-right:5.75pt;text-align:Left;white-space:nowrap;"><span style="color:#000000;font-family:Arial;font-size:9pt;margin-left:0.0pt;">Vanguard Variable Insurance Fund - Mid-Cap Index Portfolio</span></div></div></td> <td style="padding-bottom:1.5pt;padding-top:3.125pt;vertical-align:Top;width:270.5pt;"> <div style="line-height:11pt;text-align:left;"> <div style="margin-left:5.75pt;margin-right:3pt;text-align:Left;white-space:nowrap;"><span style="color:#000000;font-family:Arial;font-size:9pt;margin-left:0.0pt;">Vanguard Variable Insurance Fund - Morningstar Mid-Cap Index </span></div> <div style="margin-left:5.75pt;margin-right:3pt;text-align:Left;white-space:nowrap;"><span style="color:#000000;font-family:Arial;font-size:9pt;margin-left:0.0pt;">Portfolio</span></div></div></td></tr></table> <span style="color:#000000;font-family:Arial;font-size:9pt;margin-left:0.0pt;">Vanguard Variable Insurance Fund - Morningstar Mid-Cap Index </span><span style="color:#000000;font-family:Arial;font-size:9pt;margin-left:0.0pt;">Portfolio</span>