SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Y-mAbs Therapeutics, Inc. – ‘10-Q’ for 6/30/20 – ‘EX-101.SCH’

On:  Thursday, 8/6/20, at 4:08pm ET   ·   For:  6/30/20   ·   Accession #:  1558370-20-9646   ·   File #:  1-38650

Previous ‘10-Q’:  ‘10-Q’ on 5/7/20 for 3/31/20   ·   Next:  ‘10-Q’ on 11/5/20 for 9/30/20   ·   Latest:  ‘10-Q’ on 5/7/24 for 3/31/24   ·   5 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/06/20  Y-mAbs Therapeutics, Inc.         10-Q        6/30/20   68:5.6M                                   Toppan Merrill Bridge/FA

Quarterly Report   —   Form 10-Q
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.04M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     26K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     26K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     22K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     22K 
12: R1          Document and Entity Information                     HTML     76K 
13: R2          Consolidated Balance Sheets                         HTML     80K 
14: R3          Consolidated Balance Sheets (Parenthetical)         HTML     32K 
15: R4          Consolidated Statements of Net Loss and             HTML     49K 
                Comprehensive Loss                                               
16: R5          Consolidated Statements of Changes in               HTML     70K 
                Stockholders' Equity                                             
17: R6          Consolidated Statements of Cash Flows               HTML     78K 
18: R7          Organization and Description of Business            HTML     23K 
19: R8          Basis of Presentation                               HTML     27K 
20: R9          Summary of Significant Accounting Policies          HTML     74K 
21: R10         Net Loss Per Share                                  HTML     44K 
22: R11         Accrued Liabilities                                 HTML     38K 
23: R12         License Agreements and Commitments                  HTML     71K 
24: R13         Stockholders' Equity                                HTML     27K 
25: R14         Share-Based Compensation                            HTML     72K 
26: R15         Related Party Transactions                          HTML     22K 
27: R16         Income Taxes                                        HTML     24K 
28: R17         Other Benefits                                      HTML     22K 
29: R18         Summary of Significant Accounting Policies          HTML     87K 
                (Policies)                                                       
30: R19         Summary of Significant Accounting Policies          HTML     57K 
                (Tables)                                                         
31: R20         Net Loss Per Share (Tables)                         HTML     43K 
32: R21         Accrued Liabilities (Tables)                        HTML     37K 
33: R22         License Agreements and Commitments (Tables)         HTML     44K 
34: R23         Share-Based Compensation (Tables)                   HTML     65K 
35: R24         Basis of Presentation (Details)                     HTML     25K 
36: R25         SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -        HTML     21K 
                Operating Leases (Details)                                       
37: R26         SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair   HTML     38K 
                Value Measurement (Details)                                      
38: R27         SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -        HTML     21K 
                Segment (Details)                                                
39: R28         SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -        HTML     45K 
                Recently issued accounting pronouncements                        
                (Details)                                                        
40: R29         NET LOSS PER SHARE - Basic and diluted (Details)    HTML     28K 
41: R30         NET LOSS PER SHARE - Anti-dilutive securities       HTML     22K 
                (Details)                                                        
42: R31         Accrued Liabilities (Details)                       HTML     32K 
43: R32         LICENSE AGREEMENTS AND COMMITMENTS - MSK License    HTML     50K 
                Agreement (Details)                                              
44: R33         LICENSE AGREEMENTS AND COMMITMENTS - CD33 License   HTML     41K 
                Agreement (Details)                                              
45: R34         LICENSE AGREEMENTS AND COMMITMENTS - MabVax         HTML     32K 
                Sublicense Agreement (Details)                                   
46: R35         LICENSE AGREEMENTS AND COMMITMENTS - SADA License   HTML     48K 
                Agreement (Details)                                              
47: R36         LICENSE AGREEMENTS AND COMMITMENTS - Other          HTML     44K 
                agreements (Details)                                             
48: R37         LICENSE AGREEMENTS AND COMMITMENTS - Lease          HTML     38K 
                agreements (Details)                                             
49: R38         LICENSE AGREEMENTS AND COMMITMENTS - Lease costs    HTML     29K 
                (Details)                                                        
50: R39         LICENSE AGREEMENTS AND COMMITMENTS - Lease          HTML     36K 
                maturities (Details)                                             
51: R40         LICENSE AGREEMENTS AND COMMITMENTS - Lease term     HTML     24K 
                and discount rate (Details)                                      
52: R41         STOCKHOLDERS' EQUITY - Authorized, Common and       HTML     38K 
                Preferred Stock (Details)                                        
53: R42         STOCKHOLDERS' EQUITY - Stock grant agreements with  HTML     70K 
                non-employees, Stock (Details)                                   
54: R43         STOCKHOLDERS' EQUITY - Issuance of common stock     HTML     74K 
                (Details)                                                        
55: R44         SHARE-BASED COMPENSATION - 2015 Plan (Details)      HTML     31K 
56: R45         SHARE-BASED COMPENSATION - 2018 Plan (Details)      HTML     40K 
57: R46         SHARE-BASED COMPENSATION - Stock option expense     HTML     30K 
                (Details)                                                        
58: R47         SHARE-BASED COMPENSATION - Stock option activity    HTML     62K 
                (Details)                                                        
59: R48         SHARE-BASED COMPENSATION - Stock option             HTML     27K 
                unrecognized compensation (Details)                              
60: R49         SHARE-BASED COMPENSATION - Restricted Stock Unit    HTML     49K 
                Activity (Details)                                               
61: R50         Related Party Transactions (Details)                HTML     27K 
62: R51         INCOME TAXES - Expense (Details)                    HTML     31K 
63: R52         INCOME TAXES - Uncertain tax positions (Details)    HTML     21K 
64: R53         Other Benefits (Details)                            HTML     23K 
66: XML         IDEA XML File -- Filing Summary                      XML    119K 
11: XML         XBRL Instance -- ymab-20200630x10q_htm               XML   1.11M 
65: EXCEL       IDEA Workbook of Financial Reports                  XLSX     75K 
 7: EX-101.CAL  XBRL Calculations -- ymab-20200630_cal               XML     95K 
 8: EX-101.DEF  XBRL Definitions -- ymab-20200630_def                XML    423K 
 9: EX-101.LAB  XBRL Labels -- ymab-20200630_lab                     XML    995K 
10: EX-101.PRE  XBRL Presentations -- ymab-20200630_pre              XML    759K 
 6: EX-101.SCH  XBRL Schema -- ymab-20200630                         XSD    144K 
67: JSON        XBRL Instance as JSON Data -- MetaLinks              243±   377K 
68: ZIP         XBRL Zipped Folder -- 0001558370-20-009646-xbrl      Zip    255K

‘EX-101.SCH’   —   XBRL Schema — ymab-20200630

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL document created with Toppan Merrill Bridge 9.6.7401.38943 -->
<!-- Based on XBRL 2.1 -->
<!-- Created on: 8/6/2020 8:07:22 PM -->
<!-- Modified on: 8/6/2020 8:07:22 PM -->
<xsd:schema targetNamespace="http://www.ymabs.com/20200630" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ymab="http://www.ymabs.com/20200630" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:currency="http://xbrl.sec.gov/currency/2019-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2019-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2017-01-31" xmlns:country="http://xbrl.sec.gov/country/2017-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:us-types="http://fasb.org/us-types/2019-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:srt-types="http://fasb.org/srt-types/2019-01-31">
<xsd:annotation>
<xsd:appinfo>
<link:roleType roleURI="http://www.ymabs.com/role/StatementConsolidatedBalanceSheets" id="StatementConsolidatedBalanceSheets">
<link:definition> 00100 - Statement - Consolidated Balance Sheets </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/StatementConsolidatedStatementsOfNetLossAndComprehensiveLoss" id="StatementConsolidatedStatementsOfNetLossAndComprehensiveLoss">
<link:definition> 00200 - Statement - Consolidated Statements of Net Loss and Comprehensive Loss </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/StatementConsolidatedStatementsOfCashFlows" id="StatementConsolidatedStatementsOfCashFlows">
<link:definition> 00400 - Statement - Consolidated Statements of Cash Flows </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureAccruedLiabilitiesDetails" id="DisclosureAccruedLiabilitiesDetails">
<link:definition> 40501 - Disclosure - ACCRUED LIABILITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsLeaseMaturitiesDetails" id="DisclosureLicenseAgreementsAndCommitmentsLeaseMaturitiesDetails">
<link:definition> 40608 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease maturities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsLeaseMaturitiesDetailsCalc2" id="DisclosureLicenseAgreementsAndCommitmentsLeaseMaturitiesDetailsCalc2">
<link:definition> 40608 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease maturities (Details) (calc 2) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/StatementConsolidatedStatementsOfChangesInStockholdersEquity" id="StatementConsolidatedStatementsOfChangesInStockholdersEquity">
<link:definition> 00300 - Statement - Consolidated Statements of Changes in Stockholders' Equity </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensationTables" id="DisclosureShareBasedCompensationTables">
<link:definition> 30803 - Disclosure - SHARE-BASED COMPENSATION (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureBasisOfPresentationDetails" id="DisclosureBasisOfPresentationDetails">
<link:definition> 40201 - Disclosure - BASIS OF PRESENTATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPoliciesFairValueMeasurementDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesFairValueMeasurementDetails">
<link:definition> 40302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value Measurement (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPoliciesRecentlyIssuedAccountingPronouncementsDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesRecentlyIssuedAccountingPronouncementsDetails">
<link:definition> 40304 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently issued accounting pronouncements (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureNetLossPerShareAntiDilutiveSecuritiesDetails" id="DisclosureNetLossPerShareAntiDilutiveSecuritiesDetails">
<link:definition> 40402 - Disclosure - NET LOSS PER SHARE - Anti-dilutive securities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsMskLicenseAgreementDetails" id="DisclosureLicenseAgreementsAndCommitmentsMskLicenseAgreementDetails">
<link:definition> 40601 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - MSK License Agreement (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsCd33LicenseAgreementDetails" id="DisclosureLicenseAgreementsAndCommitmentsCd33LicenseAgreementDetails">
<link:definition> 40602 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - CD33 License Agreement (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsMabvaxSublicenseAgreementDetails" id="DisclosureLicenseAgreementsAndCommitmentsMabvaxSublicenseAgreementDetails">
<link:definition> 40603 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - MabVax Sublicense Agreement (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsSadaLicenseAgreementDetails" id="DisclosureLicenseAgreementsAndCommitmentsSadaLicenseAgreementDetails">
<link:definition> 40604 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - SADA License Agreement (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsOtherAgreementsDetails" id="DisclosureLicenseAgreementsAndCommitmentsOtherAgreementsDetails">
<link:definition> 40605 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Other agreements (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsLeaseAgreementsDetails" id="DisclosureLicenseAgreementsAndCommitmentsLeaseAgreementsDetails">
<link:definition> 40606 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease agreements (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsLeaseCostsDetails" id="DisclosureLicenseAgreementsAndCommitmentsLeaseCostsDetails">
<link:definition> 40607 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease costs (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsLeaseTermAndDiscountRateDetails" id="DisclosureLicenseAgreementsAndCommitmentsLeaseTermAndDiscountRateDetails">
<link:definition> 40609 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS - Lease term and discount rate (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureStockholdersEquityStockGrantAgreementsWithNonEmployeesStockDetails" id="DisclosureStockholdersEquityStockGrantAgreementsWithNonEmployeesStockDetails">
<link:definition> 40702 - Disclosure - STOCKHOLDERS' EQUITY - Stock grant agreements with non-employees, Stock (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureStockholdersEquityIssuanceOfCommonStockDetails" id="DisclosureStockholdersEquityIssuanceOfCommonStockDetails">
<link:definition> 40703 - Disclosure - STOCKHOLDERS' EQUITY - Issuance of common stock (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensation2015PlanDetails" id="DisclosureShareBasedCompensation2015PlanDetails">
<link:definition> 40801 - Disclosure - SHARE-BASED COMPENSATION - 2015 Plan (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensation2018PlanDetails" id="DisclosureShareBasedCompensation2018PlanDetails">
<link:definition> 40802 - Disclosure - SHARE-BASED COMPENSATION - 2018 Plan (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensationStockOptionExpenseDetails" id="DisclosureShareBasedCompensationStockOptionExpenseDetails">
<link:definition> 40803 - Disclosure - SHARE-BASED COMPENSATION - Stock option expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensationStockOptionActivityDetails" id="DisclosureShareBasedCompensationStockOptionActivityDetails">
<link:definition> 40804 - Disclosure - SHARE-BASED COMPENSATION - Stock option activity (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensationStockOptionUnrecognizedCompensationDetails" id="DisclosureShareBasedCompensationStockOptionUnrecognizedCompensationDetails">
<link:definition> 40805 - Disclosure - SHARE-BASED COMPENSATION - Stock option unrecognized compensation (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensationRestrictedStockUnitActivityDetails" id="DisclosureShareBasedCompensationRestrictedStockUnitActivityDetails">
<link:definition> 40806 - Disclosure - SHARE-BASED COMPENSATION - Restricted Stock Unit Activity (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureRelatedPartyTransactionsDetails" id="DisclosureRelatedPartyTransactionsDetails">
<link:definition> 40901 - Disclosure - RELATED PARTY TRANSACTIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureOtherBenefitsDetails" id="DisclosureOtherBenefitsDetails">
<link:definition> 41101 - Disclosure - OTHER BENEFITS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
<link:definition> 00090 - Document - Document and Entity Information </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/StatementConsolidatedBalanceSheetsParenthetical" id="StatementConsolidatedBalanceSheetsParenthetical">
<link:definition> 00105 - Statement - Consolidated Balance Sheets (parenthetical) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureOrganizationAndDescriptionOfBusiness" id="DisclosureOrganizationAndDescriptionOfBusiness">
<link:definition> 10101 - Disclosure - ORGANIZATION AND DESCRIPTION OF BUSINESS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureBasisOfPresentation" id="DisclosureBasisOfPresentation">
<link:definition> 10201 - Disclosure - BASIS OF PRESENTATION </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPolicies" id="DisclosureSummaryOfSignificantAccountingPolicies">
<link:definition> 10301 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureNetLossPerShare" id="DisclosureNetLossPerShare">
<link:definition> 10401 - Disclosure - NET LOSS PER SHARE </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureAccruedLiabilities" id="DisclosureAccruedLiabilities">
<link:definition> 10501 - Disclosure - ACCRUED LIABILITIES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitments" id="DisclosureLicenseAgreementsAndCommitments">
<link:definition> 10601 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureStockholdersEquity" id="DisclosureStockholdersEquity">
<link:definition> 10701 - Disclosure - STOCKHOLDERS' EQUITY </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureShareBasedCompensation" id="DisclosureShareBasedCompensation">
<link:definition> 10801 - Disclosure - SHARE-BASED COMPENSATION </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureRelatedPartyTransactions" id="DisclosureRelatedPartyTransactions">
<link:definition> 10901 - Disclosure - RELATED PARTY TRANSACTIONS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
<link:definition> 11001 - Disclosure - INCOME TAXES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureOtherBenefits" id="DisclosureOtherBenefits">
<link:definition> 11101 - Disclosure - OTHER BENEFITS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
<link:definition> 20302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables" id="DisclosureSummaryOfSignificantAccountingPoliciesTables">
<link:definition> 30303 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureNetLossPerShareTables" id="DisclosureNetLossPerShareTables">
<link:definition> 30403 - Disclosure - NET LOSS PER SHARE (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureAccruedLiabilitiesTables" id="DisclosureAccruedLiabilitiesTables">
<link:definition> 30503 - Disclosure - ACCRUED LIABILITIES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureLicenseAgreementsAndCommitmentsTables" id="DisclosureLicenseAgreementsAndCommitmentsTables">
<link:definition> 30603 - Disclosure - LICENSE AGREEMENTS AND COMMITMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPoliciesOperatingLeasesDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesOperatingLeasesDetails">
<link:definition> 40301 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Operating Leases (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureSummaryOfSignificantAccountingPoliciesSegmentDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesSegmentDetails">
<link:definition> 40303 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Segment (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureNetLossPerShareBasicAndDilutedDetails" id="DisclosureNetLossPerShareBasicAndDilutedDetails">
<link:definition> 40401 - Disclosure - NET LOSS PER SHARE - Basic and diluted (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureStockholdersEquityAuthorizedCommonAndPreferredStockDetails" id="DisclosureStockholdersEquityAuthorizedCommonAndPreferredStockDetails">
<link:definition> 40701 - Disclosure - STOCKHOLDERS' EQUITY - Authorized, Common and Preferred Stock (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureIncomeTaxesExpenseDetails" id="DisclosureIncomeTaxesExpenseDetails">
<link:definition> 41001 - Disclosure - INCOME TAXES - Expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.ymabs.com/role/DisclosureIncomeTaxesUncertainTaxPositionsDetails" id="DisclosureIncomeTaxesUncertainTaxPositionsDetails">
<link:definition> 41002 - Disclosure - INCOME TAXES - Uncertain tax positions (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:linkbaseRef xlink:type="simple" xlink:href="ymab-20200630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="ymab-20200630_cal.xml" xlink:title="Calculation Links, all" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="ymab-20200630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="ymab-20200630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
</xsd:appinfo>
</xsd:annotation>
<xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
<xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
<xsd:import namespace="http://xbrl.sec.gov/dei/2019-01-31" schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd"/>
<xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
<xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
<xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
<xsd:import namespace="http://fasb.org/us-roles/2019-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd"/>
<xsd:import namespace="http://fasb.org/us-gaap/2019-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd"/>
<xsd:import namespace="http://fasb.org/srt/2019-01-31" schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd"/>
<xsd:element name="DocumentAndEntityInformationAbstract" id="ymab_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<element id="ymab_StockIssuedDuringPeriodValueNewIssuesToStrategicPartner" name="StockIssuedDuringPeriodValueNewIssuesToStrategicPartner" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_StockIssuedDuringPeriodSharesNewIssuesToStrategicPartner" name="StockIssuedDuringPeriodSharesNewIssuesToStrategicPartner" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_NoncashStockIssuanceCostsToStrategicPartner" name="NoncashStockIssuanceCostsToStrategicPartner" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<xsd:element name="IncreaseDecreaseInAccruedLiabilitiesAndOther" id="ymab_IncreaseDecreaseInAccruedLiabilitiesAndOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element name="NumberOfLicenseAgreements" id="ymab_NumberOfLicenseAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
<xsd:element name="MskLicenseAgreementMember" id="ymab_MskLicenseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="AccruedLiabilitiesNoncurrentMember" id="ymab_AccruedLiabilitiesNoncurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="AccruedLiabilitiesCurrentMember" id="ymab_AccruedLiabilitiesCurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="Cd33LicenseAgreementMember" id="ymab_Cd33LicenseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="SponsoredResearchAgreementMember" id="ymab_SponsoredResearchAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="MasterDataServicesAgreementMember" id="ymab_MasterDataServicesAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<element id="ymab_CoreFacilityServiceAgreementMember" name="CoreFacilityServiceAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<xsd:element name="Cb33SponsoredResearchAgreementMember" id="ymab_Cb33SponsoredResearchAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="LeasePayablePerMonth" id="ymab_LeasePayablePerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element name="OrganizationAndDescriptionOfBusinessAbstract" id="ymab_OrganizationAndDescriptionOfBusinessAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="BasisOfPresentationAbstract" id="ymab_BasisOfPresentationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<element id="ymab_AccruedMilestonePaymentsCurrent" name="AccruedMilestonePaymentsCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<xsd:element name="AccruedClinicalCostsCurrent" id="ymab_AccruedClinicalCostsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element name="AccruedCompensationAndBoardFeesCurrent" id="ymab_AccruedCompensationAndBoardFeesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element name="TotalSharesAuthorized" id="ymab_TotalSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
<xsd:element name="NumberOfVotesPerCommonStock" id="ymab_NumberOfVotesPerCommonStock" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="OtherBenefitsDisclosureAbstract" id="ymab_OtherBenefitsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="OtherBenefitsDisclosureTextBlock" id="ymab_OtherBenefitsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="AccruedMilestoneAndRoyaltyPaymentsNoncurrent" id="ymab_AccruedMilestoneAndRoyaltyPaymentsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element name="EquityIncentivePlan2015Member" id="ymab_EquityIncentivePlan2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="ShareBasedPaymentArrangementEmployeeAndNonemployeeMember" id="ymab_ShareBasedPaymentArrangementEmployeeAndNonemployeeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<element id="ymab_LeaseArrangementCorporateHeadquartersNewYorkMember" name="LeaseArrangementCorporateHeadquartersNewYorkMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_LeaseArrangementOfficeSpaceDenmarkMember" name="LeaseArrangementOfficeSpaceDenmarkMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<xsd:element name="MabvaxSublicenseAgreementMember" id="ymab_MabvaxSublicenseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="AccruedMilestonePaymentsNoncurrent" id="ymab_AccruedMilestonePaymentsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element name="ShareholderMskMember" id="ymab_ShareholderMskMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="FixedRentPayablePerAnnum" id="ymab_FixedRentPayablePerAnnum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<element id="ymab_LicenseAndOtherAgreementsMember" name="LicenseAndOtherAgreementsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<xsd:element name="OwnershipVotingPower" id="ymab_OwnershipVotingPower" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
<xsd:element name="OptionPriceAsPercentageOfFairMarketValueOfCommonStockOnGrantDate" id="ymab_OptionPriceAsPercentageOfFairMarketValueOfCommonStockOnGrantDate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="EquityIncentivePlan2018Member" id="ymab_EquityIncentivePlan2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="GranteeOwningMoreThanTenPercentOfVotingPowerMember" id="ymab_GranteeOwningMoreThanTenPercentOfVotingPowerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="NumberOfStockGrantsIssued" id="ymab_NumberOfStockGrantsIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
<xsd:element name="AccruedManufacturingCostsCurrent" id="ymab_AccruedManufacturingCostsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
<element id="ymab_LeaseArrangementLaboratoryNewJerseyMember" name="LeaseArrangementLaboratoryNewJerseyMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<xsd:element name="OperatingLeaseRightOfUseAssetAdditions" id="ymab_OperatingLeaseRightOfUseAssetAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element name="OperatingLeaseNumberOfLeaseAgreements" id="ymab_OperatingLeaseNumberOfLeaseAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
<element id="ymab_OperatingLeaseLiabilityAdditions" name="OperatingLeaseLiabilityAdditions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_EmployeesAndDirectorsMember" name="EmployeesAndDirectorsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ResearchersEmployeesOfMskMember" name="ResearchersEmployeesOfMskMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_NumberOfIndividuals" name="NumberOfIndividuals" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_LicenseAgreementsAndCommitmentsAbstract" name="LicenseAgreementsAndCommitmentsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeAnnualMinimumRoyaltiesPayableFromFifthAnniversary" name="ArrangementOtherThanCollaborativeAnnualMinimumRoyaltiesPayableFromFifthAnniversary" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeClinicalMilestonePaymentsDue" name="ArrangementOtherThanCollaborativeClinicalMilestonePaymentsDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeRegulatoryMilestonePaymentsDue" name="ArrangementOtherThanCollaborativeRegulatoryMilestonePaymentsDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeSalesBasedMilestonePaymentsDue" name="ArrangementOtherThanCollaborativeSalesBasedMilestonePaymentsDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeClinicalMilestoneExpense" name="ArrangementOtherThanCollaborativeClinicalMilestoneExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeClinicalMilestonePayment" name="ArrangementOtherThanCollaborativeClinicalMilestonePayment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeAnnualMinimumRoyaltiesPayable" name="ArrangementOtherThanCollaborativeAnnualMinimumRoyaltiesPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeAnnualMinimumRoyaltiesPayableFromTenthAnniversary" name="ArrangementOtherThanCollaborativeAnnualMinimumRoyaltiesPayableFromTenthAnniversary" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeDevelopmentMilestonePaymentsDue" name="ArrangementOtherThanCollaborativeDevelopmentMilestonePaymentsDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeResearchServicePeriod" name="ArrangementOtherThanCollaborativeResearchServicePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeNumberOfServiceAgreements" name="ArrangementOtherThanCollaborativeNumberOfServiceAgreements" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_AccruedRoyaltiesNoncurrent" name="AccruedRoyaltiesNoncurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_AccruedMilestonePaymentsAndAccruedRoyaltiesCurrent" name="AccruedMilestonePaymentsAndAccruedRoyaltiesCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeClinicalAndRegulatoryMilestonePaymentsDue" name="ArrangementOtherThanCollaborativeClinicalAndRegulatoryMilestonePaymentsDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_SecondaryPublicOfferingMember" name="SecondaryPublicOfferingMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeMilestoneExpenses" name="ArrangementOtherThanCollaborativeMilestoneExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_SadaLicenseAgreementMember" name="SadaLicenseAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeAdditionalSalesBasedMilestonePaymentsDueOtherConstructs" name="ArrangementOtherThanCollaborativeAdditionalSalesBasedMilestonePaymentsDueOtherConstructs" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeUpfrontPayment" name="ArrangementOtherThanCollaborativeUpfrontPayment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_DanishSubsidiaryMember" name="DanishSubsidiaryMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_CompensationExpenseHealthInsuranceBenefits" name="CompensationExpenseHealthInsuranceBenefits" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_NotesReceivableTerm" name="NotesReceivableTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_NotesReceivableInterestRate" name="NotesReceivableInterestRate" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_MilestoneFirstPeriod" name="MilestoneFirstPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_NumberOfEmployeesAcquired" name="NumberOfEmployeesAcquired" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_OtherAgreementsMember" name="OtherAgreementsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_EmployeeMember" name="EmployeeMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_AccruedLiabilitiesStockIssuanceCosts" name="AccruedLiabilitiesStockIssuanceCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeAmountFunded" name="ArrangementOtherThanCollaborativeAmountFunded" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_StockGrantExpense" name="StockGrantExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_ArrangementOtherThanCollaborativeCounterpartyPercentOfRevenue" name="ArrangementOtherThanCollaborativeCounterpartyPercentOfRevenue" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_MskMember" name="MskMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_MabvaxMember" name="MabvaxMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
<element id="ymab_MskLicenseAndYMabsSublicenseAgreementMember" name="MskLicenseAndYMabsSublicenseAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"/>
</xsd:schema>

2 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/18/21  Y-mAbs Therapeutics, Inc.         424B5                  1:2.2M                                   Toppan Merrill-FA
 2/17/21  Y-mAbs Therapeutics, Inc.         424B5                  1:2.2M                                   Toppan Merrill-FA

3 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/21/20  Y-mAbs Therapeutics, Inc.         8-K:1,9     4/15/20    2:348K                                   Toppan Merrill/FA
 9/26/18  Y-mAbs Therapeutics, Inc.         8-K:5,7,9   9/25/18    4:284K                                   Toppan Merrill/FA
 8/24/18  Y-mAbs Therapeutics, Inc.         S-1                   31:12M                                    Toppan Merrill-FA
↑Top
Filing Submission 0001558370-20-009646   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Sun., May 12, 5:37:07.1am ET