{"url_path":"/sec/cwt/8-k/2026-05-20/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 **","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-20","source_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001104659-26-064607-index.html","accession_number":"0001104659-26-064607","cik":"0001035201","ticker":"CWT","issuer_name":"CALIFORNIA WATER SERVICE GROUP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001104659-26-064607-index.html","primary_entity_key":"0001035201","primary_entity_name":"CALIFORNIA WATER SERVICE GROUP"},"word_count":92,"has_tables":true,"body_markdown":"**Item 9.01.**\n**Financial Statements and Exhibits.**\n\n \n\nWe hereby file the following exhibit with this report:\n\n \n\n**Exhibit No.**\n \n**Description**\n\n[99.1](tm2615262d1_ex99-1.htm)\n \n[Press Release issued May 20, 2026](tm2615262d1_ex99-1.htm)\n\n104\n \nCover Page Interactive Data File (embedded within the Inline XBRL document)\n\n** **\n\n \n\n \n\n** **\n\n**SIGNATURES**\n\n \n\nPursuant to the requirements of the Securities\nExchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n**CALIFORNIA WATER SERVICE GROUP**\n\n \n \n \n\n \n \n \n\nDate: May 20, 2026\nBy:\n/s/ Martin A. Kropelnicki\n\n \nName:\nMartin A. Kropelnicki\n\n \nTitle:\nChairman, President and Chief Executive Officer"}