{"url_path":"/sec/cik-0001053059/8-k/2026-09-11/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-09-11","source_url":"https://www.sec.gov/Archives/edgar/data/1053059/0000920522-26-000025-index.html","accession_number":"0000920522-26-000025","cik":"0001053059","ticker":null,"issuer_name":"ESSEX PORTFOLIO LP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1053059/0000920522-26-000025-index.html","primary_entity_key":"0001053059","primary_entity_name":"ESSEX PORTFOLIO LP"},"word_count":330,"has_tables":true,"body_markdown":"ess-20260911\n0000920522false00009205222026-09-112026-09-110000920522ess:EssexPortfolioL.P.Member2026-09-112026-09-11\n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\nFORM 8-K\n\nCurrent Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934\n\nDate of Report (Date of Earliest Event Reported): September 11, 2026\n\nESSEX PROPERTY TRUST, INC.\n\nESSEX PORTFOLIO, L.P.\n\n(Exact Name of Registrant as Specified in its Charter)\n\n001-13106 (Essex Property Trust, Inc.)\n\n333-44467-01 (Essex Portfolio, L.P.)\n\n(Commission File Number)\n\nMaryland77-0369576\n\n(Essex Property Trust, Inc.)(Essex Property Trust, Inc.)\n\nCalifornia77-0369575\n\n(Essex Portfolio, L.P.)(Essex Portfolio, L.P.)\n\n(State or Other Jurisdiction of Incorporation)(I.R.S. Employer Identification No.)\n\n1100 Park Place, Suite 200\n\nSan Mateo, CA 94403\n\n(Address of principal executive offices) (Zip Code)\n\n(650) 655-7800\n\n(Registrant’s telephone number, including area code)\n\nNot Applicable\n\n(Former name or former address, if changed since last report.)\n\nCheck the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:\n\n☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\nTitle of each classTrading\nSymbol(s)Name of each exchange on which registered\n\nCommon Stock, $.0001 par value (Essex Property Trust, Inc.)ESSNew York Stock Exchange\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter):\n\nEssex Property Trust, Inc.Emerging growth company☐\n\nEssex Portfolio, L.P.Emerging growth company☐\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐"}