US Ecology, Inc. (ECOL) 2018年年度报告「NASDAQ」.pdf

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1、TableofContentsUNITEDSTATESSECURITIESANDEXCHANGECOMMISSIONWashington,D.C.20549FORM10 KANNUALREPORTPURSUANTTOSECTION13or15(d)OFTHESECURITIESEXCHANGEACTOF1934ForthefiscalyearendedDecember31,2018ORTRANSITIONREPORTPURSUANTTOSection13or15(d)OFTHESECURITIESEXCHANGEACTOF1934Forthetransitionperiodfromto.Com

2、missionfilenumber:0000 11688USECOLOGY,INC.(Exactnameofregistrantasspecifiedinitscharter)Delaware(Stateorotherjurisdictionofincorporationororganization)95 3889638(I.R.S.EmployerIdentificationNo.)101S.CapitolBlvd.,Suite1000Boise,Idaho(Addressofprincipalexecutiveoffices)83702(ZipCode)Registrantstelepho

3、nenumber,includingareacode:(208)331 8400SecuritiesregisteredpursuanttoSection12(b)oftheAct:CommonStock,$0.01parvalue(Titleofclass)SecuritiesregisteredpursuanttoSection12(g)oftheAct:NoneIndicatebycheckmarkiftheregistrantisawellknownseasonedissuer,asdefinedinRule405oftheSecuritiesAct.YesNoIndicatebych

4、eckmarkiftheregistrantisnotrequiredtofilereportspursuanttoSection13orSection15(d)oftheAct.YesNoIndicatebycheckmarkwhethertheregistrant(1)hasfiledallreportsrequiredtobefiledbySection13or15(d)oftheSecuritiesExchangeActof1934duringthepreceding12months(orforsuchshorterperiodthattheRegistrantwasrequiredt

5、ofilesuchreports),and(2)hasbeensubjecttosuchfilingrequirementsforthepast90days.YesNoIndicatebycheckmarkwhethertheregistranthassubmittedelectronicallyeveryInteractiveDataFilerequiredtobesubmittedpursuanttoRule405ofRegulationST(232.405ofthischapter)duringthepreceding12months(orforsuchshorterperiodthat

6、theregistrantwasrequiredtosubmitsuchfiles).YesNoIndicatebycheckmarkifdisclosureofdelinquentfilerspursuanttoItem405ofRegulationSK(229.405ofthischapter)isnotcontainedherein,andwillnotbecontained,tothebestofregistrantsknowledge,indefinitiveproxyorinformationstatementsincorporatedbyreferenceinPartIIIoft