<?xml version='1.0' encoding='UTF-8'?>

      <!-- iXBRL document created with: Toppan Merrill Bridge iXBRL 10.2.0.4 -->
      <!-- Based on: iXBRL 1.1 -->
      <!-- Created on: 2/8/2023 5:10:38 PM -->
      <!-- iXBRL Library version: 1.0.8405.27969 -->
      <!-- iXBRL Service Job ID: 14f5ee1f-3a3b-47d0-bbe6-2c7579036c2e -->

  <html xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns="http://www.w3.org/1999/xhtml" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sngx="http://www.soligenix.com/20230208" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrli="http://www.xbrl.org/2003/instance"><head><meta http-equiv="content-type" content="text/html" /><title></title></head><body><div style="margin-top:30pt;"></div><div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityCentralIndexKey" id="Tc_3yS5ios-GUyV6z5T-WqHcQ_2_1">0000812796</ix:nonNumeric><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:AmendmentFlag" id="Tc_t2P5GDQ8yUG6_8oUSPkOhA_3_1">false</ix:nonNumeric><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityIncorporationStateCountryCode" id="Hidden_66JuXDrMn0uIqqGpLaf6XA">DE</ix:nonNumeric><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:CurrentFiscalYearEndDate" id="Narr_YNhb0T3YoUS6SZDz9Plr2A">--12-31</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:href="tmb-20230208.xsd" xlink:type="simple"></link:schemaRef></ix:references><ix:resources><xbrli:context id="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000812796</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2023-02-08</xbrli:startDate><xbrli:endDate>2023-02-08</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-bottom:1pt;padding-top:1pt;text-align:center;border-bottom:1px solid #000000;border-top:3.0pt solid #000000;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="font-size:7pt;visibility:hidden;">&#8203;</span></p><a id="_f2673499_479e_4e99_8201_daaedf5bb52d"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">UNITED STATES</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">SECURITIES AND EXCHANGE COMMISSION</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Washington, D.C. 20549</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">FORM </b><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:DocumentType" id="Narr_HLLiKL_0F0aTNrUhEwJxbg"><b style="font-weight:bold;">8-K</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">CURRENT REPORT</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Pursuant to Section 13 or 15(d) of</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">The Securities Exchange Act of 1934</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Date of Report (Date of Earliest Event Reported): &#160;<ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt:datemonthdayyearen" name="dei:DocumentPeriodEndDate" id="Narr_USiovnVhXEiC2FAU9BxB-g"><b style="font-weight:bold;text-decoration-color:#000000;text-decoration-line:underline;text-decoration-style:solid;">February 8, 2023</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Commission File No. <ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityFileNumber" id="Narr_otc6MMGeOEaToWGWGjx6tw"><b style="font-weight:bold;">001-14778</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityRegistrantName" id="Narr_UM2pK-xgaUqdQ9wABuAs0g"><b style="font-weight:bold;">Soligenix, Inc.</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">(Exact name of small business issuer as specified in its charter)</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><a id="_9e4b4f1a_6f93_4005_8ec1_92dd43174c23"></a><a id="Tc_Nz8sQL7GwkeRyFcdp1zAvw_2_0"></a><a id="Tc_P0TWpR9YXk--kk0yioI6wg_2_2"></a><a id="Tc_zjQ80oo4_EyZW_eMzAjKOA_4_0"></a><a id="Tc_6xiXnd6TWU-OTSunIUtdug_5_0"></a><a id="Tc_p-74Kyv7tUaPzR1ys9CIdw_5_2"></a><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:1.99%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr><td style="vertical-align:top;width:49%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="-sec-ix-hidden:Hidden_66JuXDrMn0uIqqGpLaf6XA;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">DELAWARE</b></span></p></td><td style="vertical-align:top;width:1.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:49%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityTaxIdentificationNumber" id="Tc_Baw2LdMyYEKUAEZla9CCag_1_2"><b style="font-weight:bold;">41-1505029</b></ix:nonNumeric></p></td></tr><tr><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">(State or other jurisdiction of <br />incorporation or organization)</p></td><td style="vertical-align:top;width:1.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">(I.R.S. Employer <br />Identification Number)</p></td></tr><tr><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:1.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p></td></tr><tr><td style="vertical-align:bottom;width:49%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityAddressAddressLine1" id="Narr__EbVl8VHhUGdyDz9sbZZpQ"><b style="font-weight:bold;">29 Emmons Drive</b></ix:nonNumeric><b style="font-weight:bold;">,</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityAddressAddressLine2" id="Narr_JbEt7yFTVESm9dl5WIlSyA"><b style="font-weight:bold;">Suite B-10</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityAddressCityOrTown" id="Narr_LGUU5CLGQkuxEP500J7REg"><b style="font-weight:bold;">Princeton</b></ix:nonNumeric><b style="font-weight:bold;">, </b><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityAddressStateOrProvince" id="Narr_leBztCG5I0CUniveNjWcfA"><b style="font-weight:bold;">NJ</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:1.99%;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:49%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:EntityAddressPostalZipCode" id="Tc_PBJTCfHyEke2KkY3NZa0kA_4_2"><b style="font-weight:bold;">08540</b></ix:nonNumeric></p></td></tr><tr><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">(Address of principal executive offices)</p></td><td style="vertical-align:top;width:1.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">(Zip Code)</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">(</b><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:CityAreaCode" id="Narr_-pXU4-hqCE6ISK2xaMHwFg"><b style="font-weight:bold;">609</b></ix:nonNumeric><b style="font-weight:bold;">) </b><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:LocalPhoneNumber" id="Narr_dQnHSdC37k6_CVKQ5NLGLg"><b style="font-weight:bold;">538-8200</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">(Issuer&#8217;s telephone number, including area code)</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="Narr_DFOGZJWhqUG2d_V5kWwhYQ"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric> &#160;&#160;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="Narr_ufU6coUyTkuU3pkrBoNmgQ"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric> &#160;&#160;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="Narr_EmebTBs-7EyJMTLC3o7mww"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric> &#160;&#160;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="Narr_TkI8va1-OE2t3BrIhGPCeA"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric> &#160;&#160;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">Securities registered pursuant to Section 12(b) of the Act:</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:justify;text-indent:18pt;margin:0pt;">&#160;</p><a id="_b219e39c_3c5c_4170_a6fe_2ecee1fbe2fd"></a><a id="Tc_EFdPQStqJEWYdFo1pX9cKw_1_0"></a><a id="Tc_MIVU6g-SY0yiKGR0Gf_uMA_1_2"></a><a id="Tc_g-FDJz0kTEygrAHeCwSZOg_1_4"></a><a id="Tc_G5o8jV8_I06UshODpZxUrQ_2_4"></a><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:bottom;width:39.36%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td><td style="vertical-align:bottom;width:1.91%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td><td style="vertical-align:bottom;width:17.27%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td><td style="vertical-align:bottom;width:1.87%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td><td style="vertical-align:bottom;width:39.56%;margin:0pt;padding:0pt 0pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td></tr><tr><td style="vertical-align:bottom;width:39.36%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Title of each class</p></td><td style="vertical-align:bottom;width:1.91%;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:17.27%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Trading Symbol(s)</p></td><td style="vertical-align:bottom;width:1.87%;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:39.56%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt 0pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">Name of each exchange on which registered</p></td></tr><tr><td style="vertical-align:top;width:39.36%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:Security12bTitle" id="Tc_ziacmAvw2kGKUsymmXntng_2_0"><b style="font-weight:bold;">Common Stock, par value $.001 per share</b></ix:nonNumeric></p></td><td style="vertical-align:top;width:1.91%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:17.27%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" name="dei:TradingSymbol" id="Tc_sO1gLHT970qArfCdoyKURA_2_2"><b style="font-weight:bold;">SNGX</b></ix:nonNumeric></p></td><td style="vertical-align:top;width:1.87%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;">&#160;</p></td><td style="vertical-align:top;width:39.56%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">The </b><ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="Narr_6DI109XelE-BINEN4IONmA"><b style="font-weight:bold;">Nasdaq</b></ix:nonNumeric><b style="font-weight:bold;"> Capital Market</b></p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:justify;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">Emerging growth company <ix:nonNumeric contextRef="Duration_2_8_2023_To_2_8_2023_2cfKoUzmKUupXW5heQ1pVA" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="Narr_W8kBm_aUHEOY49ivogvOnQ"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:justify;margin:0pt;">&#160;</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. <span style="font-family:'Segoe UI Symbol';">&#9744;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="font-size:7pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:1pt;padding-bottom:1pt;padding-top:1pt;text-align:justify;border-bottom:3.0pt solid #000000;border-top:1.0pt solid #000000;margin:0pt;">w</p><p style="display:none;line-height:0pt;margin:0pt 0pt 10pt 0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:0pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:79.3%;border:0;margin:30pt 10.35% 30pt 10.35%;"></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><a id="_b97030c9_1b26_4c0d_b603_421dbe4729e1"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">Item 3.03</b></span><b style="font-weight:bold;">Material Modification to Rights of Security Holders.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> <span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">To the extent required by Item 3.03 of Form 8-K, the information contained in Item 5.03 of this Current Report on Form 8-K (this &#8220;Current Report&#8221;) is incorporated herein by reference.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><a id="_3f9b844c_8156_4285_8808_1d768dd4b988"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">Item 5.02</b></span><b style="font-weight:bold;">Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain</b> <b style="font-weight:bold;">Officers; Compensatory Arrangements of Certain Officers.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">To the extent required by Item 5.02 of Form 8-K, the information contained in Item 5.03 of this Current Report is incorporated herein by reference.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><a id="_d9cf6c2f_eb2e_45b8_8550_37264236285f"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">Item 5.03</b></span><b style="font-weight:bold;">Amendment to Articles of Incorporation or Bylaws; Change in Fiscal Year.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">On February 8, 2023, Soligenix, Inc. (the &#8220;Company&#8221;) filed a Certificate of Amendment to Second Amended and Restated Certificate of Incorporation (the &#8220;Certificate of Amendment&#8221;) with the Secretary of State of Delaware to effect a 1-for-15 reverse stock split of the shares of the Company&#8217;s common stock, par value $0.001 per share (the &#8220;Common Stock&#8221;), issued and outstanding, effective as of 4:00 p.m. EST on February 9, 2023 (the &#8220;Reverse Stock Split&#8221;). As reported below under Item 5.07 of this Current Report, the Company held a special meeting of stockholders on February 8, 2023 (the &#8220;Special Meeting&#8221;), at which meeting the Company&#8217;s stockholders approved the amendment to the Company&#8217;s Second Amended and Restated Certificate of Incorporation, as amended (the &#8220;Certificate of Incorporation&#8221;), to effect a reverse stock split of the Company&#8217;s Common Stock at a ratio in the range of 1-for-2 to 1-for-20, with such ratio to be determined by the Company&#8217;s board of directors (the &#8220;Board&#8221;) and included in a public announcement. Following the Special Meeting, the Board determined to effect the Reverse Stock Split at a ratio of 1-for-15 and approved the corresponding final form of the Certificate of Amendment.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">As a result of the Reverse Stock Split, every 15 shares of issued and outstanding Common Stock will be automatically combined into one issued and outstanding share of Common Stock, without any change in the par value per share. No fractional shares will be issued as a result of the Reverse Stock Split. Any fractional shares that would otherwise have resulted from the Reverse Stock Split will be rounded up to the next whole number. The Reverse Stock Split will reduce the number of shares of Common Stock outstanding from 43,335,174 shares to approximately 2,889,012 shares, subject to adjustment for the rounding up of fractional shares. The number of authorized shares of Common Stock under the Certificate of Incorporation will remain unchanged at 75,000,000 shares.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">Proportionate adjustments will be made to the per share exercise price and the number of shares of Common Stock that may be purchased upon exercise of outstanding stock options and warrants issued by the Company. The maximum number of shares of Common Stock available for issuance under the Company&#8217;s 2015 Equity Incentive Plan will remain unchanged at 6,000,000 shares. &#160;Similarly, the maximum number of shares of Common Stock for which stock options may be granted to any person in any calendar&#160;year, the maximum benefit that may be paid to any person under performance awards in any calendar&#160;year, and the aggregate number of shares of unrestricted stock that may be granted or sold for a purchase price that is less than their fair market value (unless granted in lieu of cash compensation equal to such fair market value) will remain unchanged, in each case at 200,000. </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">The Common Stock will begin trading on a reverse stock split-adjusted basis on The Nasdaq Capital Market on February 10, 2023. The trading symbol for the Common Stock will remain &#8220;SNGX.&#8221; The new CUSIP number for the Common Stock following the Reverse Stock Split is 834223505.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">For more information about the Reverse Stock Split, see the Company&#8217;s definitive proxy statement filed with the U.S. Securities and Exchange Commission on January 6, 2023 (the &#8220;Proxy Statement&#8221;), the relevant portions of which are incorporated herein by reference. The information set forth herein is qualified in its entirety by reference to the complete text of the Certificate of Amendment, a copy of which is filed as Exhibit 3.1 to this Current Report and is incorporated by reference herein.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:24pt 0pt 0pt 0pt;">2</p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:79.3%;border:0;margin:30pt 10.35% 30pt 10.35%;"></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><a id="_9115c9ac_51fc_48c3_a37d_31ca3dce3c1a"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">Item 5.07</b></span><b style="font-weight:bold;">Submission of Matters to a Vote of Security Holders.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> <span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">The Company held the Special Meeting on February 8, 2023. As of the close of business on January 5, 2023, the record date for the Special Meeting, there were 43,335,174 shares of Common Stock and 43,335.174 shares of Series D Preferred Stock, par value $0.001 (&#8220;Series D Preferred Stock&#8221;) outstanding and entitled to vote on the proposals described below. The matters described below were submitted to a vote of the Company&#8217;s stockholders at the Special Meeting. Each proposal, the voting power of the shares, the required voted for each proposal, and the quorum requirement are described in detail in the Proxy Statement.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">At the Special Meeting, the proposals set forth below were submitted to a vote of the Company&#8217;s stockholders. The final voting results are as follows:</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="display:inline-block;text-align:left;text-indent:0pt;width:36pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;white-space:pre-wrap;"> </span><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;">1.</span></span>To approve an amendment to the Company&#8217;s Second Amended and Restated Certificate of Incorporation, as amended, in substantially the form attached to the Proxy Statement as&#160;Annex A, to, at the discretion of the Board of Directors, effect a reverse stock split with respect to the issued and outstanding common stock at a ratio of 1-for-2 to 1-for-20, with the ratio to be determined at the discretion of the Board of Directors and included in a public announcement (the &#8220;Reverse Stock Split Proposal&#8221;). &#160;The Reverse Stock Split Proposal was approved by votes as follows:</p><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:96.88%;background:#ffffff;"><tr style="height:1pt;"><td style="vertical-align:bottom;width:31.39%;background:#ffffff;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:2.91%;background:#ffffff;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:31.39%;background:#ffffff;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:2.91%;background:#ffffff;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:31.39%;background:#ffffff;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:31.39%;background:#ffffff;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;">For</b></p></td><td style="vertical-align:bottom;width:2.91%;background:#ffffff;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;&#160;&#160;&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#ffffff;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;">Against</b></p></td><td style="vertical-align:bottom;width:2.91%;background:#ffffff;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;&#160;&#160;&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#ffffff;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;">Abstain</b></p></td></tr><tr><td style="vertical-align:bottom;width:31.39%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;">18,575,861,304</p></td><td style="vertical-align:bottom;width:2.91%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;">2,957,497,543</p></td><td style="vertical-align:bottom;width:2.91%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;">591,043,453</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="background:#ffffff;">There were no broker non-votes on the </span>Reverse Stock Split Proposal<span style="background:#ffffff;">.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;background:#ffffff;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="display:inline-block;text-align:left;text-indent:0pt;width:36pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;">2.</span></span>To approve an adjournment of the Special Meeting to a later date or dates, if necessary, to permit further solicitation of proxies in the event there are not sufficient votes in favor of the Reverse Stock Split Proposal.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:96.88%;background:#ffffff;"><tr><td style="vertical-align:bottom;width:31.39%;background:#ffffff;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;">For</b></p></td><td style="vertical-align:bottom;width:2.91%;background:#ffffff;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;&#160;&#160;&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#ffffff;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;">Against</b></p></td><td style="vertical-align:bottom;width:2.91%;background:#ffffff;border-bottom:1.5pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;&#160;&#160;&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#ffffff;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;">Abstain</b></p></td></tr><tr><td style="vertical-align:bottom;width:31.39%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;">19,309,509,219</p></td><td style="vertical-align:bottom;width:2.91%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;">2,733,710,980</p></td><td style="vertical-align:bottom;width:2.91%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt;">&#160;</p></td><td style="vertical-align:bottom;width:31.39%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;text-align:center;margin:0pt;">81,182,101</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="background:#ffffff;">There were no broker non-votes on this proposal.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">For more information about the foregoing proposals, see the Proxy Statement, the relevant portions of which are incorporated herein by reference. The results reported above are final voting results. No other matters were considered or voted upon at the Special Meeting.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><a id="_cd4cf9eb_9b4e_44b1_9b05_83eef0010b61"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">Item 7.01</b></span><b style="font-weight:bold;">Regulation FD Disclosure.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">On February 9, 2023, the Company issued a press release announcing the Reverse Stock Split. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report, including Exhibit 99.1, shall not be deemed &#8220;filed&#8221; for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by reference in such a filing. Furthermore, the furnishing of information under Item 7.01 of this Current Report is not intended to constitute a determination by the Company that the information contained herein, including the exhibits hereto, is material or that the dissemination of such information is required by Regulation FD.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:24pt 0pt 0pt 0pt;">3</p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:79.3%;border:0;margin:30pt 10.35% 30pt 10.35%;"></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><a id="_0c439fc9_d653_4b34_91dd_b5d865672678"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:bold;">Item 9.01</b></span><b style="font-weight:bold;">Financial Statements and Exhibits.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:36pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;">(d) </span></span>Exhibits.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;width:96.38%;"><tr><td style="vertical-align:top;width:15.33%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">Exhibit No.</p></td><td style="vertical-align:top;width:2.52%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:82.13%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">Description</p></td></tr><tr><td style="vertical-align:top;width:15.33%;background:#ccecff;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">3.1</p></td><td style="vertical-align:top;width:2.52%;background:#ccecff;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:82.13%;background:#ccecff;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><a style="-sec-extract:exhibit;font-family:&quot;'Times New Roman','Times','serif'&quot;;" href="tmb-20230208xex3d1.htm"><span style="font-family:'Times New Roman','Times','serif';font-style:normal;font-weight:normal;">Certificate of Amendment to Second Amended and Restated Certificate of Incorporation of Soligenix, Inc</span></a></p></td></tr><tr><td style="vertical-align:top;width:15.33%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">99.1</p></td><td style="vertical-align:top;width:2.52%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:82.13%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><a style="-sec-extract:exhibit;font-family:&quot;'Times New Roman','Times','serif'&quot;;" href="tmb-20230208xex99d1.htm"><span style="font-family:'Times New Roman','Times','serif';font-style:normal;font-weight:normal;">Press release dated February 9, 2023</span></a></p></td></tr><tr><td style="vertical-align:top;width:15.33%;background:#ccecff;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">104</p></td><td style="vertical-align:top;width:2.52%;background:#ccecff;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:82.13%;background:#ccecff;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">Cover Page Interactive Data File (embedded within the Inline XBRL document)</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:24pt 0pt 0pt 0pt;">4</p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:79.3%;border:0;margin:30pt 10.35% 30pt 10.35%;"></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><a id="_c0cfd546_78a2_4689_a9b5_dbf15e4fd855"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">SIGNATURE</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:100%;"><tr><td style="vertical-align:middle;width:50.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">&#160;</p></td><td colspan="2" style="vertical-align:middle;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">Soligenix, Inc.</b>&#160;</p></td></tr><tr style="height:20.8pt;"><td style="vertical-align:middle;width:50.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td colspan="2" style="vertical-align:middle;width:49%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-weight:bold;visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="vertical-align:middle;width:50.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">February 9, 2023&#160;</p></td><td style="vertical-align:middle;width:3.69%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">By:</p></td><td style="vertical-align:middle;width:45.3%;border-bottom:1.5pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">/s/ Christopher J. Schaber&#160;</b></p></td></tr><tr><td style="vertical-align:middle;width:50.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">&#160;</p></td><td style="vertical-align:middle;width:3.69%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">&#160;</p></td><td style="vertical-align:middle;width:45.3%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">Christopher J. Schaber, Ph.D.</p></td></tr><tr><td style="vertical-align:middle;width:50.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:middle;width:3.69%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:middle;width:45.3%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">President and Chief Executive Officer</p></td></tr><tr><td style="vertical-align:middle;width:50.99%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:middle;width:3.69%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:middle;width:45.3%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">(Principal Executive Officer)</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:24pt 0pt 0pt 0pt;">5</p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;margin-left:10.35%;margin-right:10.35%;margin-top:30pt;page-break-after:avoid;width:79.3%;border:0;"></div></body></html>
[{"type": "8-K", "sequence": "1", "filename": "tmb-20230208x8k.htm", "description": "8-K", "secsgml_size_bytes": 55334}]
{"company-data": {"conformed-name": "SOLIGENIX, INC.", "cik": "0000812796", "assigned-sic": "2834", "irs-number": "411505029", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-14778", "film-number": "23601127"}, "business-address": {"street1": "29 EMMONS DRIVE", "street2": "SUITE B-10", "city": "PRINCETON", "state": "NJ", "zip": "08540", "phone": "609-538-8200"}, "mail-address": {"street1": "29 EMMONS DRIVE", "street2": "SUITE B-10", "city": "PRINCETON", "state": "NJ", "zip": "08540"}, "former-company": [{"former-conformed-name": "DOR BIOPHARMA INC", "date-changed": "20020329"}, {"former-conformed-name": "ENDOREX CORP", "date-changed": "19960916"}, {"former-conformed-name": "IMMUNOTHERAPEUTICS INC", "date-changed": "19920703"}]}
​
​
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934
Date of Report (Date of Earliest Event Reported):
February 8, 2023
Commission File No.
001-14778
Soligenix, Inc.
(Exact name of small business issuer as specified in its charter)
DELAWARE
41-1505029
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification Number)
29 Emmons Drive
,
Suite B-10
Princeton
,
NJ
08540
(Address of principal executive offices)
(Zip Code)
​
(
609
)
538-8200
(Issuer's telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock, par value $.001 per share
SNGX
The
Nasdaq
Capital Market
​
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐
​
w
​
​
Item 3.03
Material Modification to Rights of Security Holders.
​
To the extent required by Item 3.03 of Form 8-K, the information contained in Item 5.03 of this Current Report on Form 8-K (this "Current Report") is incorporated herein by reference.
​
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain
Officers; Compensatory Arrangements of Certain Officers.
​
To the extent required by Item 5.02 of Form 8-K, the information contained in Item 5.03 of this Current Report is incorporated herein by reference.
​
Item 5.03
Amendment to Articles of Incorporation or Bylaws; Change in Fiscal Year.
​
On February 8, 2023, Soligenix, Inc. (the "Company") filed a Certificate of Amendment to Second Amended and Restated Certificate of Incorporation (the "Certificate of Amendment") with the Secretary of State of Delaware to effect a 1-for-15 reverse stock split of the shares of the Company's common stock, par value $0.001 per share (the "Common Stock"), issued and outstanding, effective as of 4:00 p.m. EST on February 9, 2023 (the "Reverse Stock Split"). As reported below under Item 5.07 of this Current Report, the Company held a special meeting of stockholders on February 8, 2023 (the "Special Meeting"), at which meeting the Company's stockholders approved the amendment to the Company's Second Amended and Restated Certificate of Incorporation, as amended (the "Certificate of Incorporation"), to effect a reverse stock split of the Company's Common Stock at a ratio in the range of 1-for-2 to 1-for-20, with such ratio to be determined by the Company's board of directors (the "Board") and included in a public announcement. Following the Special Meeting, the Board determined to effect the Reverse Stock Split at a ratio of 1-for-15 and approved the corresponding final form of the Certificate of Amendment.
​
As a result of the Reverse Stock Split, every 15 shares of issued and outstanding Common Stock will be automatically combined into one issued and outstanding share of Common Stock, without any change in the par value per share. No fractional shares will be issued as a result of the Reverse Stock Split. Any fractional shares that would otherwise have resulted from the Reverse Stock Split will be rounded up to the next whole number. The Reverse Stock Split will reduce the number of shares of Common Stock outstanding from 43,335,174 shares to approximately 2,889,012 shares, subject to adjustment for the rounding up of fractional shares. The number of authorized shares of Common Stock under the Certificate of Incorporation will remain unchanged at 75,000,000 shares.
​
Proportionate adjustments will be made to the per share exercise price and the number of shares of Common Stock that may be purchased upon exercise of outstanding stock options and warrants issued by the Company. The maximum number of shares of Common Stock available for issuance under the Company's 2015 Equity Incentive Plan will remain unchanged at 6,000,000 shares.  Similarly, the maximum number of shares of Common Stock for which stock options may be granted to any person in any calendar year, the maximum benefit that may be paid to any person under performance awards in any calendar year, and the aggregate number of shares of unrestricted stock that may be granted or sold for a purchase price that is less than their fair market value (unless granted in lieu of cash compensation equal to such fair market value) will remain unchanged, in each case at 200,000.
​
The Common Stock will begin trading on a reverse stock split-adjusted basis on The Nasdaq Capital Market on February 10, 2023. The trading symbol for the Common Stock will remain "SNGX." The new CUSIP number for the Common Stock following the Reverse Stock Split is 834223505.
​
For more information about the Reverse Stock Split, see the Company's definitive proxy statement filed with the U.S. Securities and Exchange Commission on January 6, 2023 (the "Proxy Statement"), the relevant portions of which are incorporated herein by reference. The information set forth herein is qualified in its entirety by reference to the complete text of the Certificate of Amendment, a copy of which is filed as Exhibit 3.1 to this Current Report and is incorporated by reference herein.
​
2
Item 5.07
Submission of Matters to a Vote of Security Holders.
​
The Company held the Special Meeting on February 8, 2023. As of the close of business on January 5, 2023, the record date for the Special Meeting, there were 43,335,174 shares of Common Stock and 43,335.174 shares of Series D Preferred Stock, par value $0.001 ("Series D Preferred Stock") outstanding and entitled to vote on the proposals described below. The matters described below were submitted to a vote of the Company's stockholders at the Special Meeting. Each proposal, the voting power of the shares, the required voted for each proposal, and the quorum requirement are described in detail in the Proxy Statement.
​
At the Special Meeting, the proposals set forth below were submitted to a vote of the Company's stockholders. The final voting results are as follows:
​
1.
To approve an amendment to the Company's Second Amended and Restated Certificate of Incorporation, as amended, in substantially the form attached to the Proxy Statement as Annex A, to, at the discretion of the Board of Directors, effect a reverse stock split with respect to the issued and outstanding common stock at a ratio of 1-for-2 to 1-for-20, with the ratio to be determined at the discretion of the Board of Directors and included in a public announcement (the "Reverse Stock Split Proposal").  The Reverse Stock Split Proposal was approved by votes as follows:
For
Against
Abstain
18,575,861,304
2,957,497,543
591,043,453
​
There were no broker non-votes on the
Reverse Stock Split Proposal
.
​
2.
To approve an adjournment of the Special Meeting to a later date or dates, if necessary, to permit further solicitation of proxies in the event there are not sufficient votes in favor of the Reverse Stock Split Proposal.
​
For
Against
Abstain
19,309,509,219
2,733,710,980
81,182,101
​
There were no broker non-votes on this proposal.
​
For more information about the foregoing proposals, see the Proxy Statement, the relevant portions of which are incorporated herein by reference. The results reported above are final voting results. No other matters were considered or voted upon at the Special Meeting.
​
Item 7.01
Regulation FD Disclosure.
​
On February 9, 2023, the Company issued a press release announcing the Reverse Stock Split. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
​
In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report, including Exhibit 99.1, shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by reference in such a filing. Furthermore, the furnishing of information under Item 7.01 of this Current Report is not intended to constitute a determination by the Company that the information contained herein, including the exhibits hereto, is material or that the dissemination of such information is required by Regulation FD.
​
3
​
Item 9.01
Financial Statements and Exhibits.
​
(d)
Exhibits.
​
Exhibit No.
​
Description
3.1
​
Certificate of Amendment to Second Amended and Restated Certificate of Incorporation of Soligenix, Inc
99.1
​
Press release dated February 9, 2023
104
​
Cover Page Interactive Data File (embedded within the Inline XBRL document)
​
​
​
​
4
SIGNATURE
​
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
​
Soligenix, Inc.
​
​
February 9, 2023
By:
/s/ Christopher J. Schaber
Christopher J. Schaber, Ph.D.
​
​
President and Chief Executive Officer
​
​
(Principal Executive Officer)
​
​
​
5