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      <Form990PartVIISectionAGrp>
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          <AddressLine2>RESTRICTED</AddressLine2>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTS BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND THEREFORE DID NOT IDENTIFY ANY MATERIAL UNCERTAIN TAX POSITIONS.</ExplanationTxt>
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        <USAddress>
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          <CityNm>AURORA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80045</ZIPCd>
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        <RecipientEIN>846000555</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <PurposeOfGrantTxt>SCIENTIFIC RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>REGENTS OF UNIVERSITY OF CA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1855 FOLSOM STREET MCB BOX 0897</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94143</ZIPCd>
        </USAddress>
        <RecipientEIN>941539563</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <PurposeOfGrantTxt>SCIENTIFIC RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>EMORY UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1762 CLIFTON ROAD NE</AddressLine1Txt>
          <CityNm>ATLANTA</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30322</ZIPCd>
        </USAddress>
        <RecipientEIN>580566256</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>85000</CashGrantAmt>
        <PurposeOfGrantTxt>SCIENTIFIC RESEARCH</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF MD BALTIMORE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 41428</AddressLine1Txt>
          <CityNm>BALTIMORE</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>212036428</ZIPCd>
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        <RecipientEIN>526002033</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>83500</CashGrantAmt>
        <PurposeOfGrantTxt>SCIENTIFIC RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF IOWA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>5 WEST JEFFERSON STREET</AddressLine1Txt>
          <CityNm>IOWA CITY</CityNm>
          <StateAbbreviationCd>IA</StateAbbreviationCd>
          <ZIPCd>52242</ZIPCd>
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        <RecipientEIN>426004813</RecipientEIN>
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        <PurposeOfGrantTxt>SCIENTIFIC RESEARCH</PurposeOfGrantTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTS ARE AWARDED BASED ON A COMPETITIVE REVIEW BY ASTS LEADERSHIP, GRANTS REVIEW COMMITTEE MEMBERS AND MEMBERS-AT-LARGE. A BUDGET IS REQUIRED FOR EACH GRANT APPLICATION AND ANY VARIANCE FROM THE SUBMITTED BUDGET REQUIRES APPROVAL OF THE GRANTS REVIEW COMMITTEE. FOR GRANTS OVER $10,000, CHECKS ARE ISSUED TO THE INSTITUTION, OFTEN IN TWO INSTALLMENTS. PRIOR TO DISPERSING THE SECOND INSTALLMENT, A PROGRESS REPORT IS DUE TO THE ASTS OFFICE. ANY CONCERNS ARE ADDRESSED PRIOR TO ISSUING THE REMAINING FUNDS. GRANTS OF LESS THAN $10,000 ARE TYPICALLY PAID AS A SINGLE PAYMENT.</ExplanationTxt>
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        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>356</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>9394</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>374</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>9882</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>7899</TotalCompensationFilingOrgAmt>
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        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASTS FOUNDATION DOES NOT DIRECTLY HIRE OR COMPENSATE EMPLOYEES. ALL EMPLOYEES ARE EMPLOYEES OF THE AMERICAN SOCIETY OF TRANSPLANT SURGEONS (ASTS), A RELATED ORGANIZATION. THE COST OF ASTS'S OFFICER AND HIGHLY COMPENSATED EMPLOYEES ARE ALLOCATED UNDER THE TERMS OF A COST SHARING AGREEMENT.</ExplanationTxt>
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    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AFFILIATED ORGANIZATION, ASTS, HAS MEMBERS THAT ELECT THE GOVERNING BODY WHICH SERVES BOTH THE SOCIETY AND THE FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERAL FORM 990 IS PREPARED BY AN INDEPENDENT ACCOUNTANT AND A DRAFT OF THE RETURN IS REVIEWED BY THE SECRETARY/TREASURER AND EXECUTIVE DIRECTOR. THE FEDERAL FORM 990 IS PRESENTED TO THE BOARD OF DIRECTORS FOR REVIEW AND DISCUSSION PRIOR TO FINALIZING. FORMAL APPROVAL IS RECORDED IN THE MINUTES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ENSURE ACCURATE, UP TO DATE INFORMATION, EACH ASTS COUNCIL/BOARD MEMBER SHALL REVIEW HIS OR HER DISCLOSURE STATEMENT DURING FACE-TO-FACE MEETINGS AND UPDATE AS NECESSARY BETWEEN MEETINGS. EACH ASTS COUNCIL/BOARD MEMBER SHALL DESCRIBE CLEARLY HIS OR HER INTEREST IN EACH SUCH ISSUE, SUBJECT, PERSON OR ENTITY ON THIS FORM AND RETURN TO THE ASTS EXECUTIVE DIRECTOR. THE INFORMATION ON THIS FORM SHALL BE REVIEWED BY THE PRESIDENT AND EXECUTIVE DIRECTOR, AND SHARED WITH THE ASTS COUNCIL/BOARD IF RELEVANT TO THE DISCUSSION AT HAND. THE ASTS COUNCIL/BOARD MEMBER MAY VOLUNTARILY RECUSE HIM/HERSELF FROM DISCUSSION AND/OR VOTING ON THE BASIS OF A CONFLICT OF INTEREST. IN ADDITION, THE ASTS COUNCIL/BOARD MAY REQUIRE THAT AN ASTS COUNCIL/BOARD MEMBER: (A) REFRAIN FROM VOTING ON THE ISSUE, (B) NOT PARTICIPATE IN EITHER THE DISCUSSION OR THE VOTE ON THE ISSUE, (C) LEAVE THE ROOM DURING DISCUSSION AND VOTING ON THE ISSUE, OR (D) EXPLAIN HIS OR HER INTEREST IN THE MATTER FULLY SO THE ASTS COUNCIL/BOARD MAY WEIGH THE ASTS COUNCIL/BOARD MEMBERS FURTHER PARTICIPATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE ON THE PUBLIC PORTION OF THE WEBSITE. FINANCIAL STATEMENTS ARE PROVIDED UPON REQUEST.</ExplanationTxt>
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