1、UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 FORM 10-K(MARK ONE)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31,2023OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 19
2、34For the transition period from _ to _001-13106(Essex Property Trust,Inc.)333-44467-01(Essex Portfolio,L.P.)(Commission File Number)ESSEX PROPERTY TRUST,INC.ESSEX PORTFOLIO,L.P.(Exact name of Registrant as Specified in its Charter)Maryland77-0369576(Essex Property Trust,Inc.)(Essex Property Trust,I
3、nc.)California77-0369575(Essex Portfolio,L.P.)(Essex Portfolio,L.P.)(State or Other Jurisdiction of Incorporation or Organization)(I.R.S.Employer Identification Number)1100 Park Place,Suite 200San Mateo,California 94403(Address of Principal Executive Offices including Zip Code)(650)655-7800(Registra
4、nts Telephone Number,Including Area Code)Securities registered pursuant to Section 12(b)of the Act:Title of each classTradingSymbol(s)Name of each exchange on which registeredCommon Stock,$.0001 par value(Essex PropertyTrust,Inc.)ESSNew York Stock ExchangeSecurities registered pursuant to Section 12
5、(g)of the Act:NoneIndicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Essex Property Trust,Inc.YesNoEssex Portfolio,L.P.YesNoIndicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15
6、(d)of the Act.Essex Property Trust,Inc.YesNoEssex Portfolio,L.P.YesNoIndicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities ExchangeAct of 1934 during the preceding 12 months(or for such shorter period that the registrant wa