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            <identifier scheme="http://www.sec.gov/CIK">0001721484</identifier>
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            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
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            <startDate>2025-01-01</startDate>
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    <dei:EntityRegistrantName contextRef="c0" id="ixv-80">Longeveron Inc.</dei:EntityRegistrantName>
    <ecd:InsiderTrdPoliciesProcAdoptedFlag contextRef="c0" id="ixv-4359">true</ecd:InsiderTrdPoliciesProcAdoptedFlag>
    <ecd:AwardTmgMnpiDiscTextBlock contextRef="c0" id="ixv-3123">&lt;p class="Text_ind" style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt;Our policies and practices regarding the grant of equity awards are designed to comply with applicable securities laws to and reflect the integrity of our executive compensation program. The Compensation Committee is responsible for determining the timing and terms of equity awards to eligible personnel. The timing of equity award grants is determined with consideration to a variety of factors, including ensuring that the Company is not in possession of material nonpublic information at the time of grant. While the Company&#x2019;s equity compensation program seeks alignment with the Company&#x2019;s strategic objectives, competitive aims, and the attraction and retention of qualified &lt;/p&gt;&lt;p class="Text_ind" style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;text-indent:0;margin-top:8pt;"&gt;personnel, the equity compensation of each individual is generally considered on a case&lt;span class="nobreak"&gt;-by-case&lt;/span&gt; basis. The Company does not follow a predetermined schedule for the granting of all equity awards. Nevertheless, certain of the Company&#x2019;s equity awards adhere to standard award timelines and vesting schedules.&lt;/p&gt;&lt;p class="Text_ind" style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt;We do not grant equity awards in anticipation of the release of material nonpublic information and do not time the public release of such information based on equity award grant dates for the purpose of affecting the value of executive compensation. However, the Compensation Committee may consider material nonpublic information to ensure that grants of equity awards comply with applicable laws and regulations as well as Company policy. The Company&#x2019;s procedures to prevent the improper use of material nonpublic information in connection with the granting of equity awards include oversight by internal and external legal counsel. We are committed to maintaining equity compensation practices that comply with evolving corporate governance standards, foster a competitive workforce, and serve the best interests of the Company and its stockholders.&lt;/p&gt;</ecd:AwardTmgMnpiDiscTextBlock>
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    <ecd:AwardTmgMethodTextBlock contextRef="c0" id="ixv-4361">The timing of equity award grants is determined with consideration to a variety of factors, including ensuring that the Company is not in possession of material nonpublic information at the time of grant.</ecd:AwardTmgMethodTextBlock>
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    <ecd:AwardTmgHowMnpiCnsdrdTextBlock contextRef="c0" id="ixv-4363">We do not grant equity awards in anticipation of the release of material nonpublic information and do not time the public release of such information based on equity award grant dates for the purpose of affecting the value of executive compensation. However, the Compensation Committee may consider material nonpublic information to ensure that grants of equity awards comply with applicable laws and regulations as well as Company policy.</ecd:AwardTmgHowMnpiCnsdrdTextBlock>
    <ecd:MnpiDiscTimedForCompValFlag contextRef="c0" id="ixv-4364">false</ecd:MnpiDiscTimedForCompValFlag>
    <ecd:ErrCompAnalysisTextBlock contextRef="c1" id="ixv-4365">All Awards (including, without limitation, any proceeds, gains or other economic benefit actually or constructively received by Participant upon any receipt, exercise or settlement of any Award or upon the receipt or resale of any shares of Common Stock underlying the Award) shall be subject to the provisions of any claw-back policy implemented by the Company, including, without limitation, any claw-back policy adopted to comply with Applicable Laws (including the Dodd-Frank Wall Street Reform and Consumer Protection Act and any rules or regulations promulgated thereunder) and any amendments thereto (&#x201c;&lt;span class="CharOverride-6" style="font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Claw-Back Policy&lt;/span&gt;&lt;span class="CharOverride-3" style="font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-weight:normal;"&gt;&#x201d;). By accepting an Award, each Participant acknowledges and agrees to abide by the terms the Claw-Back Policy.&lt;/span&gt;</ecd:ErrCompAnalysisTextBlock>
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    <dei:AmendmentFlag contextRef="c0" id="ixv-4370">false</dei:AmendmentFlag>
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