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        <ManagementAndGeneral>172262</ManagementAndGeneral>
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        <ManagementAndGeneral>5536</ManagementAndGeneral>
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      <Insurance>
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        <ManagementAndGeneral>5873</ManagementAndGeneral>
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        <ProgramServices>1311946</ProgramServices>
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      <OtherExpenses>
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        <ProgramServices>38263</ProgramServices>
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      <OtherExpenses>
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      <OtherExpenses>
        <Description>Allocation of G&amp;A</Description>
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      <CashNonInterestBearing>
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        <EOY>593106</EOY>
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      <InventoriesForSaleOrUse>
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        <EOY>18245</EOY>
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      <FollowSFAS117>X</FollowSFAS117>
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      <ReconcilationRevenueExpenses>-114244</ReconcilationRevenueExpenses>
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        <CurrentTaxYearMinus1Year>1556648</CurrentTaxYearMinus1Year>
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        <CurrentTaxYearMinus1Year>1556648</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>2097379</CurrentTaxYear>
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      <AmountsSubstContributorsTotal>3116068</AmountsSubstContributorsTotal>
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        <CurrentTaxYear>391279</CurrentTaxYear>
        <Total>2115315</Total>
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      <OtherIncome170>
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        <CurrentTaxYearMinus3Years>56820</CurrentTaxYearMinus3Years>
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        <CurrentTaxYearMinus1Year>30796</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>36068</CurrentTaxYear>
        <Total>175421</Total>
      </OtherIncome170>
      <TotalSupport>11912034</TotalSupport>
      <GrossReceiptsFromAdmissionsEtc>6601221</GrossReceiptsFromAdmissionsEtc>
      <PublicSupportPertcentage170>0.54610</PublicSupportPertcentage170>
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        </ContributorNameBusiness>
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      <PublicationsOrBroadcast>0</PublicationsOrBroadcast>
      <GrantsOtherOrganizations>0</GrantsOtherOrganizations>
      <DirectContactLegislators>1</DirectContactLegislators>
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      <OtherActivities>0</OtherActivities>
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        <BookValue>24331</BookValue>
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      <OtherLandBuildings>
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        <BookValue>5346</BookValue>
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      <TotalOfBookValueLandBuildings>29677</TotalOfBookValueLandBuildings>
      <OtherSecurities>
        <Description>Equity in joint council</Description>
        <BookValue>693805</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
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      <TotalOfBookValueSecurities>693805</TotalOfBookValueSecurities>
      <Form990ScheduleDPartXIV>
        <Identifier>Description of Uncertain Tax Positions Under FIN 48:</Identifier>
        <ReturnReference>Part X:</ReturnReference>
        <Explanation>The Organization had no significant uncertain tax positions for the year ended December 31, 2011.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <RecordsMaintained>1</RecordsMaintained>
      <RecipientTable>
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          <BusinessNameLine1>ASTS Foundation</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>2461 South Clark Street Suite 640</AddressLine1>
          <City>Arlington</City>
          <State>VA</State>
          <ZIPCode>22202</ZIPCode>
        </AddressUS>
        <EINOfRecipient>320020119</EINOfRecipient>
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        <AmountOfCashGrant>94298</AmountOfCashGrant>
        <DescriptionOfNonCashAssistance>N/A</DescriptionOfNonCashAssistance>
        <PurposeOfGrant>Support grant</PurposeOfGrant>
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      <TotalNbrOf501C3AndGovtGrants>1</TotalNbrOf501C3AndGovtGrants>
      <Form990ScheduleIPartIV>
        <Identifier>Procedure for Monitoring Grants in the U.S.:</Identifier>
        <ReturnReference>Part I, Line 2:</ReturnReference>
        <Explanation>Schedule I, Part I, Line 2: Grant fund was given to ASTS Foundation for use in its research grants program, in accordance with ASTS' grant guidelines.</Explanation>
      </Form990ScheduleIPartIV>
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      <InitialContractException>0</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>Katrina Crist MBA</NamePerson>
        <BaseCompensationFilingOrg>165375</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>4731</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
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        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
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        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Kim Gifford</NamePerson>
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        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
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        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section A, line 6</ReturnReference>
        <Explanation>ASTS has six categories of membership: regular, international, consolidated, senior, honorary, and Associate members (members who have voting rights).</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section A, line 7a</ReturnReference>
        <Explanation>Each year the Nominating Committee issues a "call for nominations" for upcoming officer vacancies. After a review of the nominations, the committee prepares a slate for presentation at the annual membership meeting. Nominations are also accepted from the floor at this meeting. New officers are elected by a membership vote of those present at the meeting.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section A, line 7b</ReturnReference>
        <Explanation>All bylaws amendments require approval by the membership. New member approval is subject to membership vote.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section B, line 11</ReturnReference>
        <Explanation>The 990 is prepared by an independent accountant and is reviewed by the Executive Committee and Executive Director. Upon review, it is formally approved by the Executive Committee.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section B, line 12c</ReturnReference>
        <Explanation>Information suggesting an actual or potential conflict of interest shall be communicated to the President, the ASTS Council/Board, and/or the ASTS Executive Director. For each issue raised on an updated annual disclosure form or on an ad hoc basis, a determination shall be made regarding the need for an ASTS Council/Board member's participation to be altered. 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 member's further participation.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section B, line 15</ReturnReference>
        <Explanation>Compensation Committee consisting of officers conducts and annual review with input from committee chairs and council members. The Compensation Committee analyzes relevant benchmark data, reviews the evaluations and makes recommendations to the council for level of compensation.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section C, line 18</ReturnReference>
        <Explanation>ASTS makes available a public disclosure copy of its Federal form 990 upon request.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section C, line 19</ReturnReference>
        <Explanation>Governing Documents and COI policy is available on the public portion of the website. Financial Statements are provided upon request.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part XII, Line 2c</ReturnReference>
        <Explanation>ASTS's Board of Directors is responsible for the oversigh of the audit, including the selection of the independent accountant. The process is consistent with previous years.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>ASTS Foundation</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>2461 South Clark Street Suite 640</AddressLine1>
          <City>Arlington</City>
          <State>VA</State>
          <ZIPCode>22202</ZIPCode>
        </AddressUS>
        <EIN>320020119</EIN>
        <PrimaryActivities>Conducts educational research programs relating to organ transplantation.</PrimaryActivities>
        <LegalDomicileState>VA</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>11a</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>American Society of Transplant Surgeons</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>1</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>1</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>0</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>ASTS Foundation</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>B</TransactionType>
        <AmountInvolved>94298</AmountInvolved>
        <MethodOfAmtDetermination>Cash</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
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