{"cik":"0001035201","ticker":"CWT","name":"CALIFORNIA WATER SERVICE GROUP","sic_code":"4941","sic_description":"Water Supply","exchange":"NYSE","state_of_incorporation":"DE","fiscal_year_end":"1231","first_filing_date":"2026-05-20","last_filing_date":"2026-09-08","url":"/sec/cik-0001035201","insider_summary":{"total_transactions":30,"unique_insiders":16,"latest_transaction":"2026-08-13"},"recent_filings":[{"accession_number":"0001104659-26-116113","form_type":"8-K","form_type_family":"current","doc_date":"2026-10-15","title":"8-K — CALIFORNIA WATER SERVICE GROUP — 2026-10-15","url_slug":"/sec/cik-0001035201/8-k/0001104659-26-116113","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001104659-26-116113-index.html"},{"accession_number":"0002058905-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0002058905-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0002058905-26-000008-index.html"},{"accession_number":"0001998622-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001998622-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001998622-26-000008-index.html"},{"accession_number":"0001996303-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001996303-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001996303-26-000008-index.html"},{"accession_number":"0001965747-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001965747-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001965747-26-000008-index.html"},{"accession_number":"0001965544-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001965544-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001965544-26-000008-index.html"},{"accession_number":"0001958895-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001958895-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001958895-26-000008-index.html"},{"accession_number":"0001763820-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001763820-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001763820-26-000008-index.html"},{"accession_number":"0001668263-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001668263-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001668263-26-000008-index.html"},{"accession_number":"0001629475-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001629475-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001629475-26-000008-index.html"},{"accession_number":"0001629473-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001629473-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001629473-26-000008-index.html"},{"accession_number":"0001583179-26-000009","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001583179-26-000009","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001583179-26-000009-index.html"},{"accession_number":"0001502013-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001502013-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001502013-26-000008-index.html"},{"accession_number":"0001222882-26-000008","form_type":"4","form_type_family":"insider","doc_date":"2026-09-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-08","url_slug":"/sec/cik-0001035201/4/0001222882-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001222882-26-000008-index.html"},{"accession_number":"0001214659-26-011304","form_type":"4","form_type_family":"insider","doc_date":"2026-09-01","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-09-01","url_slug":"/sec/cik-0001035201/4/0001214659-26-011304","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001214659-26-011304-index.html"},{"accession_number":"0001214659-26-010432","form_type":"4","form_type_family":"insider","doc_date":"2026-08-14","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-08-14","url_slug":"/sec/cik-0001035201/4/0001214659-26-010432","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001214659-26-010432-index.html"},{"accession_number":"0001949846-26-000507","form_type":"144","form_type_family":"other","doc_date":"2026-08-13","title":"144 — CALIFORNIA WATER SERVICE GROUP — 2026-08-13","url_slug":"/sec/cik-0001035201/144/0001949846-26-000507","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001949846-26-000507-index.html"},{"accession_number":"0001214659-26-009646","form_type":"4","form_type_family":"insider","doc_date":"2026-08-05","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-08-05","url_slug":"/sec/cik-0001035201/4/0001214659-26-009646","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001214659-26-009646-index.html"},{"accession_number":"0001214659-26-009568","form_type":"3","form_type_family":"insider","doc_date":"2026-08-04","title":"3 — CALIFORNIA WATER SERVICE GROUP — 2026-08-04","url_slug":"/sec/cik-0001035201/3/0001214659-26-009568","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001214659-26-009568-index.html"},{"accession_number":"0001104659-26-088379","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-30","title":"8-K — CALIFORNIA WATER SERVICE GROUP — 2026-07-30","url_slug":"/sec/cik-0001035201/8-k/0001104659-26-088379","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001104659-26-088379-index.html"},{"accession_number":"0001628280-26-050990","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-07-30","title":"10-Q — CALIFORNIA WATER SERVICE GROUP — 2026-07-30","url_slug":"/sec/cik-0001035201/10-q/0001628280-26-050990","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001628280-26-050990-index.html"},{"accession_number":"0001104659-26-088159","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-29","title":"8-K — CALIFORNIA WATER SERVICE GROUP — 2026-07-29","url_slug":"/sec/cik-0001035201/8-k/0001104659-26-088159","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001104659-26-088159-index.html"},{"accession_number":"0001172661-26-002728","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-07-22","title":"SCHEDULE 13G/A — CALIFORNIA WATER SERVICE GROUP — 2026-07-22","url_slug":"/sec/cik-0001035201/schedule-13g-a/0001172661-26-002728","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001172661-26-002728-index.html"},{"accession_number":"0002058905-26-000005","form_type":"4","form_type_family":"insider","doc_date":"2026-06-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-06-08","url_slug":"/sec/cik-0001035201/4/0002058905-26-000005","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0002058905-26-000005-index.html"},{"accession_number":"0001998622-26-000006","form_type":"4","form_type_family":"insider","doc_date":"2026-06-08","title":"4 — CALIFORNIA WATER SERVICE GROUP — 2026-06-08","url_slug":"/sec/cik-0001035201/4/0001998622-26-000006","edgar_url":"https://www.sec.gov/Archives/edgar/data/1035201/0001998622-26-000006-index.html"}],"related_endpoints":{"profile":"/sec/CWT/profile","timeline":"/sec/CWT/timeline","peers":"/sec/CWT/peers","insider_pulse":"/sec/CWT/insider-pulse","insider_summary":"/sec/CWT/insider-summary","insider_transactions":"/sec/CWT/insider-transactions","form144":"/sec/CWT/form144","holdings_as_filer":"/sec/CWT/holdings","financial_facts":"/sec/CWT/financial-facts","derivatives":"/sec/CWT/derivatives","officers":"/sec/CWT/officers","insider_network":"/sec/CWT/insider-network","risk_flags":"/sec/CWT/risk-flags","filings":"/sec/CWT/filings","cross_topic_dossier":"/api/v1/dossier?ticker=CWT"}}