Company · CIK 1035201 # CALIFORNIA WATER SERVICE GROUP | CIK | [1035201](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001035201) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4941 — Water Supply | | Incorporated in | DE | | Business address | CA | | Listed | CWT (NYSE) | | First annual or quarterly report | 1998-03-26 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-287273 | Shelf Effective | 2025-05-14 | 2026-05-01 | 3 | | 333-264542 | Shelf Effective | 2022-04-28 | 2022-04-29 | 2 | | 333-234389 | Shelf Effective | 2019-10-31 | 2019-10-31 | 2 | | 333-181329 | Shelf Effective | 2012-05-11 | 2013-03-21 | 3 | | 333-158484 | Shelf Effective | 2009-04-08 | 2010-11-18 | 5 | | 333-136844 | Shelf Effective | 2006-08-23 | 2006-09-27 | 3 | | 333-103721 | Shelf Effective | 2003-03-11 | 2004-06-21 | 3 | ## Filings 21 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-05-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000110465926054204/0001104659-26-054204-index.htm) Shelf takedown | 333-287273 | 0001104659-26-054204 | | 2025-05-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000110465925048613/0001104659-25-048613-index.htm) Shelf takedown | 333-287273 | 0001104659-25-048613 | | 2025-05-14 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1035201/000110465925048563/0001104659-25-048563-index.htm) Shelf registered | 333-287273 | 0001104659-25-048563 | | 2022-04-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000110465922053674/0001104659-22-053674-index.htm) Shelf takedown | 333-264542 | 0001104659-22-053674 | | 2022-04-28 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1035201/000110465922052348/0001104659-22-052348-index.htm) Shelf registered | 333-264542 | 0001104659-22-052348 | | 2019-10-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000104746919005993/0001047469-19-005993-index.htm) Shelf takedown | 333-234389 | 0001047469-19-005993 | | 2019-10-31 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1035201/000104746919005988/0001047469-19-005988-index.htm) Shelf registered | 333-234389 | 0001047469-19-005988 | | 2013-03-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000104746913003159/0001047469-13-003159-index.htm) Shelf takedown | 333-181329 | 0001047469-13-003159 | | 2013-03-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000104746913002916/0001047469-13-002916-index.htm) Shelf takedown | 333-181329 | 0001047469-13-002916 | | 2012-05-11 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1035201/000110465912036127/0001104659-12-036127-index.htm) Shelf registered | 333-181329 | 0001104659-12-036127 | | 2010-11-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000095012310106786/0000950123-10-106786-index.htm) Shelf takedown | 333-158484 | 0000950123-10-106786 | | 2010-11-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000095012310106004/0000950123-10-106004-index.htm) Shelf takedown | 333-158484 | 0000950123-10-106004 | | 2009-04-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000095013409007515/0000950134-09-007515-index.htm) Shelf takedown | 333-158484 | 0000950134-09-007515 | | 2009-04-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000095013409007154/0000950134-09-007154-index.htm) Shelf takedown | 333-158484 | 0000950134-09-007154 | | 2009-04-08 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1035201/000095013409007151/0000950134-09-007151-index.htm) Shelf registered | 333-158484 | 0000950134-09-007151 | | 2006-09-27 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1035201/999999999506001673/9999999995-06-001673-index.htm) Declared effective | 333-136844 | 9999999995-06-001673 | | 2006-09-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000089161806000394/0000891618-06-000394-index.htm) Shelf takedown | 333-136844 | 0000891618-06-000394 | | 2006-08-23 | [S-3](https://www.sec.gov/Archives/edgar/data/1035201/000095013406016697/0000950134-06-016697-index.htm) Shelf registered | 333-136844 | 0000950134-06-016697 | | 2004-06-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000104746904021201/0001047469-04-021201-index.htm) Shelf takedown | 333-103721 | 0001047469-04-021201 | | 2003-07-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1035201/000104746903025684/0001047469-03-025684-index.htm) Shelf takedown | 333-103721 | 0001047469-03-025684 | | 2003-03-11 | [S-3](https://www.sec.gov/Archives/edgar/data/1035201/000095000503000324/0000950005-03-000324-index.htm) Shelf registered | 333-103721 | 0000950005-03-000324 | [All filings of this company](https://equitycapital.markets/filings?cik=1035201) · [CSV](https://equitycapital.markets/filings.csv?cik=1035201) --- Source page: https://equitycapital.markets/company/1035201 · Data: U.S. SEC EDGAR · CC BY 4.0