TableofContents UNITEDSTATES SECURITIESANDEXCHANGECOMMISSIONWASHINGTON,D.C.20549 FORM20-F (MarkOne) ☐REGISTRATIONSTATEMENTPURSUANTTOSECTION12(b)OR12(g)OFTHESECURITIESEXCHANGEACTOF1934 OR ☒ANNUALREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 ForthefiscalyearendedDecember31,2022. OR ☐TRANSITIONREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 Forthetransitionperiodfromto. OR ☐SHELLCOMPANYREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 Dateofeventrequiringthisshellcompanyreport. Commissionfilenumber:001-38638 NIOInc. (ExactNameofRegistrantasSpecifiedinItsCharter) N/A (TranslationofRegistrant’sNameIntoEnglish) CaymanIslands (JurisdictionofIncorporationorOrganization) Building20,No.56AnTuoRoad,AntingTown,JiadingDistrictShanghai201804,People’sRepublicofChina (AddressofPrincipalExecutiveOffices) WeiFeng,ChiefFinancialOfficer Building20,No.56AnTuoRoad,AntingTown,JiadingDistrictShanghai201804,People’sRepublicofChina Telephone:+8621-69082018Email:ir@nio.com (Name,Telephone,Emailand/orFacsimilenumberandAddressofCompanyContactPerson)SecuritiesregisteredortoberegisteredpursuanttoSection12(b)oftheAct: TitleofEachClassTradingSymbolNameofEachExchangeOnWhich Registered Americandepositaryshares(eachrepresentingoneClassAordinaryshare),parvalueUS$0.00025pershareClassAordinaryshares,parvalue US$0.00025pershareClassAordinaryshares,parvalue US$0.00025pershare NIONewYorkStockExchange 9866TheStockExchangeofHongKongLimited NIOTheSingaporeExchangeSecuritiesTradingLimited SecuritiesregisteredortoberegisteredpursuanttoSection12(g)oftheAct: None (TitleofClass) SecuritiesforwhichthereisareportingobligationpursuanttoSection15(d)oftheAct: None (TitleofClass) TableofContents Indicatethenumberofoutstandingsharesofeachoftheissuer’sclassesofcapitalorcommonstockasofthecloseoftheperiodcoveredbytheannualreport: AsofDecember31,2022,therewere(i)1,570,605,680ClassAordinarysharesoutstanding,parvalueUS$0.00025pershare,and(ii)148,500,000ClassCordinarysharesoutstanding,parvalueUS$0.00025pershare. Indicatebycheckmarkiftheregistrantisawell-knownseasonedissuer,asdefinedinRule405oftheSecuritiesAct. ☒Yes☐No Ifthisreportisanannualortransitionreport,indicatebycheckmarkiftheregistrantisnotrequiredtofilereportspursuanttoSection13or15(d)oftheSecuritiesExchangeActof1934.☐Yes☒No Indicatebycheckmarkwhethertheregistrant:(1)hasfiledallreportsrequiredtobefiledbySection13or15(d)oftheSecuritiesExchangeActof1934duringthepreceding12months(orforsuchshorterperiodthattheregistrantwasrequiredtofilesuchreports),and(2)hasbeensubjecttosuchfilingrequirementsforthepast90days.☒Yes☐No IndicatebycheckmarkwhethertheregistranthassubmittedelectronicallyeveryInteractiveDataFilerequiredtobesubmittedpursuanttoRule405ofRegulationS-T(§232.405ofthischapter)duringthepreceding12months(orforsuchshorterperiodthattheregistrantwasrequiredtosubmitsuchfiles).☒Yes☐No Indicatebycheckmarkwhethertheregistrantisalargeacceleratedfiler,anacceleratedfiler,anon-acceleratedfiler,oranemerginggrowthcompany.Seethedefinitionsof“largeacceleratedfiler,”“acceleratedfiler,”and“emerginggrowthcompany”inRule12b-2oftheExchangeAct. Largeacceleratedfiler☒Acceleratedfiler☐ Non-acceleratedfiler☐Emerginggrowth☐ company IfanemerginggrowthcompanythatpreparesitsfinancialstatementsinaccordancewithU.S.GAAP,indicatebycheckmarkiftheregistranthaselectednottousetheextendedtransitionperiodforcomplyingwithanyneworrevisedfinancialaccountingstandards†providedpursuanttoSection13(a)oftheExchangeAct.☐ †Theterm“neworrevisedfinancialaccountingstandard”referstoanyupdateissuedbytheFinancialAccountingStandardsBoardtoitsAccountingStandardsCodificationafterApril5,2012. Indicatebycheckmarkwhethertheregistranthasfiledareportonandattestationtoitsmanagement’sassessmentoftheeffectivenessofitsinternalcontroloverfinancialreportingunderSection404(b)oftheSarbanes-OxleyAct(15U.S.C.§7262(b))bytheregisteredpublicaccountingfirmthatpreparedorissueditsauditreport.☒ IfsecuritiesareregisteredpursuanttoSection12(b)oftheAct,indicatebycheckmarkwhetherthefinancialstatementsoftheregistrantincludedinthefilingreflectthecorrectionofanerrortopreviouslyissuedfinancialstatements.☐ Indicatebycheckmarkwhetheranyofthoseerrorcorrectionsarerestatementsthatrequiredarecoveryanalysisofincentive-basedcompensationreceivedbyanyoftheregistrant’sexecutiveofficersduringtherelevantrecoveryperiodpursuantto§240.10D-1(b).☐ Indicatebycheckmarkwhichbasisofaccountingtheregistranthasusedtopreparethefinancialstatementsincludedinthisfiling: ⌧U.S.GAAP☐InternationalFinancialReportingStandardsasissued bythe InternationalAccountingStandardsBoard ☐Other If“Other”hasbeencheckedinresponsetothepreviousquestion,indicatebycheckmarkwhichfinancialstatementitemtheregistranthaselectedtofollow.☐Item17☐Item18 Ifthisisanannualreport,indicatebycheckmarkwhethertheregistrantisashellcompany(asdefinedinRule12b-2oftheExchangeAct).☐Yes☒No (APPLICABLEONLYTOISSUERSINVOLVEDINBANKRUPTCYPROCEEDINGSDURINGTHEPASTFIVEYEARS) Indicatebycheckmarkwhethertheregistranthasfiled