<SEC-DOCUMENT>0001013594-25-001502.txt : 20251210
<SEC-HEADER>0001013594-25-001502.hdr.sgml : 20251210
<ACCEPTANCE-DATETIME>20251210205309
ACCESSION NUMBER:		0001013594-25-001502
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251210
DATE AS OF CHANGE:		20251210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXICURE, INC.
		CENTRAL INDEX KEY:			0001698530
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				815333008
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90023
		FILM NUMBER:		251563300

	BUSINESS ADDRESS:	
		STREET 1:		2430 N. HALSTED ST.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60614
		BUSINESS PHONE:		847-673-1707

	MAIL ADDRESS:	
		STREET 1:		2430 N. HALSTED ST.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60614

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Max-1 Acquisition Corp
		DATE OF NAME CHANGE:	20170221

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANGSANGIN INVESTMENT & SECURITIES CO., LTD.
		CENTRAL INDEX KEY:			0002049712
		ORGANIZATION NAME:           	
		EIN:				980243728
		STATE OF INCORPORATION:			M5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		22F, PARC.1, 108, YEOUI-DAERO
		STREET 2:		YEONGDEUNGPO-GU
		CITY:			SEOUL
		PROVINCE COUNTRY:   	M5
		BUSINESS PHONE:		82-2-1566-0900

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		22F, PARC.1, 108, YEOUI-DAERO
		STREET 2:		YEONGDEUNGPO-GU
		CITY:			SEOUL
		PROVINCE COUNTRY:   	M5
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com --><!-- Created: Thu Dec 11 01:53:07 UTC 2025 --><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:common="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0002049712</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Common Stock, par value $0.0001 per share (the "Common Stock")</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/08/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001698530</issuerCik>
        <issuerName>Exicure, Inc.</issuerName>
        <issuerCusip>30205M309</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <common:street1>2430 N. HALSTED ST.</common:street1>
          <common:city>CHICAGO</common:city>
          <common:stateOrCountry>IL</common:stateOrCountry>
          <common:zipCode>60614</common:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Sangsangin Investment &amp; Securities Co., Ltd.</reportingPersonName>
      <citizenshipOrOrganization>M5</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>0.0</classPercent>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Sangsangin Co., Ltd.</reportingPersonName>
      <citizenshipOrOrganization>M5</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>0.0</classPercent>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Jun Won Yoo</reportingPersonName>
      <citizenshipOrOrganization>M5</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>0.0</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Exicure, Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>400 Seaport Court, Suite 102, Redwood City, CA 94063</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>The names of the persons filing this statement on Schedule 13G are (collectively, the "Reporting Persons"):

Sangsangin Investment &amp; Securities Co., Ltd., a corporation formed under the laws of the Republic of Korea ("Sangsangin");

Sangsangin Co., Ltd., a corporation formed under the laws of the Republic of Korea ("Sangsangin Ltd."); and

Jun Won Yoo, a citizen of the Republic of Korea ("Mr. Yoo").</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>The principal business address of each of the Reporting Persons is 22F, parc.1, 108, Yeoui-daero, Yeongdeungpo-gu, Seoul, Republic of Korea.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Please see disclosure in Item 2(a).</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>As of December 8, 2025, Sangsangin beneficially owned 0 shares of Common Stock.

Sangsangin Ltd., as the majority shareholder of Sangsangin, may be deemed to have beneficially owned the 0 shares of Common Stock beneficially owned by Sangsangin.

Mr. Yoo, as the chief executive officer of Sangsangin Ltd., may be deemed to have beneficially owned the 0 shares of Common Stock beneficially owned by Sangsangin Ltd.</amountBeneficiallyOwned>
        <classPercent>The following percentage is based on 6,373,869 shares of Common Stock outstanding as of November 3, 2025, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on November 7, 2025.

As of December 8, 2025, the Reporting Persons may be deemed to have beneficially owned approximately 0% of the outstanding Common Stock.</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>See Cover Pages Items 5-8.</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>See Cover Pages Items 5-8.</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>See Cover Pages Items 5-8.</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>See Cover Pages Items 5-8.</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>N</notApplicableFlag>
        <classOwnership5PercentOrLess>Y</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>N</notApplicableFlag>
        <identificationAndClassificationOfGroupMembers>See Exhibit A of the Reporting Persons' 13G filed with the Securities and Exchange Commission on December 23, 2024.</identificationAndClassificationOfGroupMembers>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Sangsangin Investment &amp; Securities Co., Ltd.</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Won Ju</signature>
        <title>Won Ju, Chief Executive Officer</title>
        <date>12/10/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Sangsangin Co., Ltd.</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Jun Won Yoo*</signature>
        <title>Jun Won Yoo, Chief Executive Officer</title>
        <date>12/10/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Jun Won Yoo</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Jun Won Yoo</signature>
        <title>JUN WON YOO*</title>
        <date>12/10/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureComments>*The Reporting Persons disclaim beneficial ownership in the shares of Common Stock reported herein except to the extent of their pecuniary interest therein.
The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative.  If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative's authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference.  The name and any title of each person who signs the statement shall be typed or printed beneath his signature.
Note.  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See s.240.13d-7 for other parties for whom copies are to be sent.
Attention.  Intentional misstatements or omissions of fact constitute Federal criminal violations (see 18 U.S.C. 1001).
See Exhibit A of the Reporting Persons' 13G filed with the Securities and Exchange Commission on December 23, 2024.</signatureComments>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
