UNITEDSTATES SECURITIESANDEXCHANGECOMMISSION WASHINGTON,D.C.20549 FORM20-F ☐REGISTRATIONSTATEMENTPURSUANTTOSECTION12(b)OR(g)OFTHESECURITIESEXCHANGEACTOF1934 OR ☒ANNUALREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 ForthefiscalyearendedDecember31,2022OR ☐TRANSITIONREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 OR ☐SHELLCOMPANYREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 CommissionFileNumber:000-30540 GIGAMEDIALIMITED (Exactnameofregistrantasspecifiedinitscharter) N/A (TranslationofRegistrant’snameintoEnglish) REPUBLICOFSINGAPORE (Jurisdictionofincorporationororganization) 8THFLOOR,NO.22,LANE407,SECTION2TIDINGBOULEVARD,TAIPEI114-740,TAIWAN,R.O.C. (Addressofprincipalexecutiveoffices) CHENG-MINGHUANG,ChiefExecutiveOfficer 8THFLOOR,NO.22,LANE407,SECTION2TIDINGBOULEVARD,TAIPEI114-740,TAIWAN,R.O.C. Tel:886-2-2656-8000;Fax:886-2-2656-8003 SecuritiesregisteredortoberegisteredpursuanttoSection12(b)oftheExchangeAct: TitleofEachClass TradingSymbol NameofEachExchangeonWhichRegistered OrdinaryShares GIGM TheNasdaqStockMarketLLC SecuritiesregisteredortoberegisteredpursuanttoSection12(g)oftheExchangeAct:NoneSecuritiesforwhichthereisareportingobligationpursuanttoSection15(d)oftheAct:None Indicatethenumberofoutstandingsharesofeachoftheissuer’sclassesofcapitalorcommonstockasofthecloseoftheperiodcoveredbytheannualreport: 11,052,235ordinaryshares Indicatebycheckmarkiftheregistrantisawell-knownseasonedissuer,asdefinedinRule405oftheSecuritiesAct.Yes☐No☒ Ifthisannualreportisanannualortransitionreport,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-acceleratedfileroranemerginggrowthcompany.Seethedefinitionsof“largeacceleratedfiler,”“acceleratedfiler,”and“emerginggrowthcompany”inRule12b-2oftheExchangeAct.: Largeacceleratedfiler☐Acceleratedfiler☐ Non-acceleratedfiler☒Emerginggrowthcompany☐ 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.☐ Indicatebycheckmarkwhetheranyofthoseerrorcorrectionsarerestatementsthatrequirearecoveryanalysisofincentive-basedcompensationreceivedbyanyoftheregistrant’sexecutiveofficersduringtherelevantrecoverypursuantto§240.10D-1(b).☐ Indicatebycheckmarkwhichbasisofaccountingtheregistranthasusedtopreparethefinancialstatementsincludedinthisfiling: U.S.GAAP☒InternationalFinancialReportingStandardsasissuedbytheInternationalAccountingStandardsBoard☐Other☐ If“Other”hasbeencheckedinresponsetothepreviousquestion,indicatebycheckmarkwhichfinancialstatementitemtheregistranthaselectedtofollow.☐Item17☐Item18 Ifthisisanannualreport,indicatebycheckmarkwhethertheregistrantisashellcompany(asdefinedinRule12b-2oftheExchangeAct).Yes☐ No☒ AuditorFirmId:1060AuditorName:Deloitte&ToucheAuditorLocation:Taipei,Taiwan TABLEOFCONTENTS Page PARTI3 ITEM1.IDENTITYOFDIRECTORS,SENIORMANAGEMENTANDADVISERS3 ITEM2.OFFERSTATISTICSANDEXPECTEDTIMETABLE3 ITEM3.KEYINFORMATION3 ITEM4.INFORMATIONONTHECOMPANY16 ITEM4A. UNRESOLVEDSTAFFCOMMENTS 26 ITEM5.OPERATINGANDFINANCIALREVIEWANDPROSPECTS26 ITEM6.DIRECTORS,SENIORMANAGEMENTANDEMPLOYEES36 ITEM7.MAJORSHAREHOLDERSANDRELATEDPARTYTRANSACTIONS41 ITEM8.FINANCIALINFORMATION43 ITEM9.THEOFFERANDLISTING43 ITEM10. ITEM11. ITEM12. ADDITIONALINFORMATION 43 QUANTITATIVEANDQUALITATIVEDISCLOSURESABOUTMARKETRISK 50 DESCRIPTIONOFSECURITIESOTHERTHANEQUITYSECURITIES 50 PARTII50 ITEM13. DEFAULTS,DIVIDENDARREARAGESANDDELINQUENCIES 50 ITEM 14. MATERIALMODIFICATIONSTOTHERIGHTSOFSECU