UNITEDSTATES SECURITIESANDEXCHANGECOMMISSIONWASHINGTON,D.C.20549 FORM20-F (MarkOne) ☐REGISTRATIONSTATEMENTPURSUANTTOSECTION12(b)OR(g)OFTHESECURITIESEXCHANGEACTOF1934 OR ☐ANNUALREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 ForthefiscalyearendedDecember31,2023OR ☐TRANSITIONREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 OR ☐SHELLCOMPANYREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 DateofeventrequiringthisshellcompanyreportForthetransitionperiodfromtoCommissionfilenumber:001-39302 UCLOUDLINKGROUPINC. (ExactnameofRegistrantasspecifiedinitscharter) N/A (TranslationofRegistrant’snameintoEnglish) CaymanIslands (Jurisdictionofincorporationororganization) Unit2214-Rm1,22/F,MiraPlaceTowerA132NathanRoad,TsimShaTsuiKowloon,HongKong +8522180-6111 (Addressofprincipalexecutiveoffices) YimengShi,ChiefFinancialOfficerTelephone:+8522180-6111Email:ir@ucloudlink.com Unit2214-Rm1,22/F,MiraPlaceTowerA132NathanRoad,TsimShaTsuiKowloon,HongKong (Name,Telephone,Emailand/orFacsimilenumberandAddressofCompanyContactPerson) SecuritiesregisteredortoberegisteredpursuanttoSection12(b)oftheAct. Nameofeachexchangeonwhich TitleofeachclassTradingSymbol(s)registered Americandepositaryshares(oneAmericandepositarysharerepresentingtenClassAordinaryshares,parvalueUS$0.00005pershare) ClassAordinaryshares,parvalueUS$0.00005pershare* UCLTheNasdaqStockMarketLLC(TheNasdaqGlobalMarket) TheNasdaqStockMarketLLC(TheNasdaqGlobalMarket) *Notfortrading,butonlyinconnectionwiththelistingonTheNasdaqGlobalMarketofAmericandepositaryshares. SecuritiesregisteredortoberegisteredpursuanttoSection12(g)oftheAct. None (TitleofClass) SecuritiesforwhichthereisareportingobligationpursuanttoSection15(d)oftheAct. None (TitleofClass) Indicatethenumberofoutstandingsharesofeachoftheissuer’sclassesofcapitalorcommonstockasofthecloseoftheperiodcoveredbytheannualreport. 252,412,720ClassAordinaryshares(excludingthe1,009,740.00ClassAordinarysharesissuedtothedepositarybankforbulkissuanceofADSsreservedforfutureissuancesupontheexerciseorvestingofawardsgrantedundertheshareincentiveplans)and122,072,980ClassBordinaryshares,parvalueUS$0.00005pershare,asofDecember31,2023. Indicatebycheckmarkiftheregistrantisawell-knownseasonedissuer,asdefinedinRule405oftheSecuritiesAct.☐Yes☐No Ifthisreportisanannualortransitionreport,indicatebycheckmarkiftheregistrantisnotrequiredtofilereportspursuanttoSection13or15(d)oftheSecuritiesExchangeActof1934.☐Yes☐No Note–CheckingtheboxabovewillnotrelieveanyregistrantrequiredtofilereportspursuanttoSection13or15(d)oftheSecuritiesExchangeActof1934fromtheirobligationsunderthoseSections. Indicatebycheckmarkwhethertheregistrant(1)hasfiledallreportsrequiredtobefiledbySection13or15(d)oftheSecuritiesExchangeActof1934duringthepreceding12months(orforsuchshorterperiodthattheregistrantwasrequiredtofilesuchreports),and(2)hasbeensubjecttosuchfilingrequirementsforthepast90days.☐Yes☐No IndicatebycheckmarkwhethertheregistranthassubmittedelectronicallyeveryInteractiveDataFilerequiredtobesubmittedpursuanttoRule405ofRegulationS-T(§232.405ofthischapter)duringthepreceding12months(orforsuchshorterperiodthattheregistrantwasrequiredtosubmitsuchfiles).☐Yes☐No Indicatebycheckmarkwhethertheregistrantisalargeacceleratedfiler,anacceleratedfiler,anon-acceleratedfiler,oranemerginggrowthcompany.Seedefinitionof“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(15 U.S.C.7262(b))bytheregisteredpublicaccountingfirmthatpreparedorissueditsauditreport.☐ IfsecuritiesareregisteredpursuanttoSection12(b)oftheAct,indicatebycheckmarkwhetherthefinancialstatementsoftheregistrantincludedinthefilingreflectthecorrectionofanerrortopreviouslyissuedfinancialstatements.☐ Indicatebycheckmarkwhetheranyofthoseerrorcorrectionsarerestatementsthatrequiredarecoveryanalysisofincentive-basedcompensationreceivedbyanyoftheregistrant’sexecutiveofficersduringtherelevantrecoveryperiodpursuantto§240.10D-1(b).☐ Indicatebycheckmarkwhichbasisofaccountingtheregistranthasusedtopreparethefinancialstatementsincludedinthisfiling: U.S.GAAP☐InternationalFinancialReportingStandardsasissuedbythe InternationalAccountingStandardsBoard☐ Other☐ If“Other”hasbeencheckedinresponsetothepreviousquestion,indicatebycheckmarkwhichfinancialstatementitemth