{"transactions":[{"id":3518839,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual"}}],"security":"Common Stock","published_at":"2026-09-08T20:16:48.000Z","date":"2026-09-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":50,"price":50.03,"value":2501.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on June 5, 2024."}],"balance_after":8287.401,"source":{"system":"sec-edgar","filing":"0001998622-26-000008","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1998622/000199862226000008/edgardoc.xml","form_type":"4"}},{"id":3518838,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual"}}],"security":"Common Stock","published_at":"2026-09-08T20:16:48.000Z","date":"2026-09-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":51,"price":50.03,"value":2551.53,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 4,2025"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through the Employee Stock Purchase Program (ESPP)."}],"balance_after":8337.401,"source":{"system":"sec-edgar","filing":"0001998622-26-000008","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1998622/000199862226000008/edgardoc.xml","form_type":"4"}},{"id":746697,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual"}}],"security":"Common Stock","published_at":"2026-06-08T21:23:49.000Z","date":"2026-06-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":50,"price":45.82,"value":2291.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on June 5, 2024."}],"balance_after":8321.196,"source":{"system":"sec-edgar","filing":"0001998622-26-000006","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000006/edgardoc.xml","form_type":"4"}},{"id":746696,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual"}}],"security":"Common Stock","published_at":"2026-06-08T21:23:49.000Z","date":"2026-06-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":51,"price":45.24,"value":2307.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 4,2025"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through the Employee Stock Purchase Program (ESPP)."}],"balance_after":8371.196,"source":{"system":"sec-edgar","filing":"0001998622-26-000006","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000006/edgardoc.xml","form_type":"4"}},{"id":854320,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2026-03-09T22:07:37.000Z","date":"2026-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":27,"price":45.59,"value":1230.93,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock Award (RSA)"}],"balance_after":8326.706,"source":{"system":"sec-edgar","filing":"0001998622-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000004/edgardoc.xml","form_type":"4"}},{"id":854319,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2026-03-09T22:07:37.000Z","date":"2026-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":232,"price":45.59,"value":10576.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of a Performance Stock Unit (PSU) Award."}],"balance_after":8353.706,"source":{"system":"sec-edgar","filing":"0001998622-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000004/edgardoc.xml","form_type":"4"}},{"id":854318,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2026-03-09T22:07:37.000Z","date":"2026-03-07","kind":"grant","planned":false,"acquired":true,"shares":548,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reporting person was granted a Performance Stock Unit (PSU) award on 3/7/2023.  The PSU vested in full based on the satisfaction of certain performance criteria approved by the Board of Directors.  The performance criteria was met resulting in 46% payout of the original goal"}],"balance_after":8585.706,"source":{"system":"sec-edgar","filing":"0001998622-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000004/edgardoc.xml","form_type":"4"}},{"id":854317,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2026-03-09T22:07:37.000Z","date":"2026-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":57,"price":45.78,"value":2609.46,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock Award (RSA)"}],"balance_after":8037.706,"source":{"system":"sec-edgar","filing":"0001998622-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000004/edgardoc.xml","form_type":"4"}},{"id":859225,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2026-03-06T01:06:04.000Z","date":"2026-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":233,"price":46.99,"value":10948.67,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 4,2025"}],"balance_after":8094.706,"source":{"system":"sec-edgar","filing":"0001998622-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000002/edgardoc.xml","form_type":"4"}},{"id":859224,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2026-03-06T01:06:04.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":1650,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted on 3/3/2026 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3 vests with one-third on March 3, 2027, and with the remaining 2/3 vesting quarterly over the succeeding 24 months."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through Dividend Reinvestment and Employee Stock Purchase Plan"}],"balance_after":8327.706,"source":{"system":"sec-edgar","filing":"0001998622-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862226000002/edgardoc.xml","form_type":"4"}},{"id":976528,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2025-12-09T21:24:13.000Z","date":"2025-12-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":44.88,"value":1077.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 7, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through the Employee Stock Purchase Program."}],"balance_after":6604.014,"source":{"system":"sec-edgar","filing":"0001998622-25-000003","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862225000003/edgardoc.xml","form_type":"4"}},{"id":976527,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2025-12-09T21:24:13.000Z","date":"2025-12-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":50,"price":44.88,"value":2244.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on June 5, 2024."}],"balance_after":6628.014,"source":{"system":"sec-edgar","filing":"0001998622-25-000003","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000199862225000003/edgardoc.xml","form_type":"4"}},{"id":1045113,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2025-09-09T20:36:06.000Z","date":"2025-09-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":47.09,"value":1130.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on March 7, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through the Employee Stock Purchase Program."}],"balance_after":6595.065,"source":{"system":"sec-edgar","filing":"0001035201-25-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000103520125000028/edgardoc.xml","form_type":"4"}},{"id":1045112,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Water Qual & Envir Affairs"}}],"security":"Common Stock","published_at":"2025-09-09T20:36:06.000Z","date":"2025-09-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":50,"price":47.09,"value":2354.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award granted on June 5, 2024."}],"balance_after":6619.065,"source":{"system":"sec-edgar","filing":"0001035201-25-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000103520125000028/edgardoc.xml","form_type":"4"}},{"id":1115437,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-06-11T15:49:47.000Z","date":"2025-06-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":45.62,"value":1094.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #693."}],"balance_after":6350.6,"source":{"system":"sec-edgar","filing":"0001127602-25-017253","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225017253/form4.xml","form_type":"4"}},{"id":1118473,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-06-09T22:08:35.000Z","date":"2025-06-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":48,"price":45.85,"value":2200.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld by and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the Restricted Stock (RSA)  Award 807"}],"balance_after":6374.6,"source":{"system":"sec-edgar","filing":"0001127602-25-017128","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225017128/form4.xml","form_type":"4"}},{"id":1213055,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-03-11T23:18:51.000Z","date":"2025-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":27,"price":47.9,"value":1293.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #693."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes share acquired through the Employee Stock Purchase Program."}],"balance_after":6422.6,"source":{"system":"sec-edgar","filing":"0001127602-25-009133","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225009133/form4.xml","form_type":"4"}},{"id":1220238,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-03-07T00:55:42.000Z","date":"2025-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":227,"price":46.65,"value":10589.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld by and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the Restricted Stock (RSA)  Award 807"}],"balance_after":6402.82,"source":{"system":"sec-edgar","filing":"0001127602-25-008641","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008641/form4.xml","form_type":"4"}},{"id":1223668,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-03-06T02:50:57.000Z","date":"2025-03-04","kind":"grant","planned":false,"acquired":true,"shares":1653,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Restricted stock granted on 3/4/2025 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3.  RSA vests one-third on March 4, 2026, with the remaining 2/3 vesting quarterly over the succeeding 24 months."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes share acquired through the Employee Stock Purchase Program and Dividend Reinvestment."}],"balance_after":6629.82,"source":{"system":"sec-edgar","filing":"0001127602-25-008478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008478/form4.xml","form_type":"4"}},{"id":1223667,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-03-06T02:50:57.000Z","date":"2025-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":27,"price":45.45,"value":1227.15,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares withheld by and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the Restricted Stock (RSA)  Award 637"}],"balance_after":4976.82,"source":{"system":"sec-edgar","filing":"0001127602-25-008478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008478/form4.xml","form_type":"4"}},{"id":1223666,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-03-06T02:50:57.000Z","date":"2025-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":443,"price":45.45,"value":20134.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares withheld by and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the Performance Stock Unit (PSU) award 652"}],"balance_after":5003.82,"source":{"system":"sec-edgar","filing":"0001127602-25-008478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008478/form4.xml","form_type":"4"}},{"id":1223665,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2025-03-06T02:50:57.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":1051,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On 3/1/2022, the reporting person was granted a Performance Stock Unit (PSU) of 938 shares of common stock.  The PSU vested in full based on satisfaction of certain performance criteria approved by the Board of Directors.  The performance criteria was met resulting in 112% payout of the original goal."}],"balance_after":5446.82,"source":{"system":"sec-edgar","filing":"0001127602-25-008478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008478/form4.xml","form_type":"4"}},{"id":1337637,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-12-11T00:41:08.000Z","date":"2024-12-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":48.7,"value":1168.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #693."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP and dividend reinvestment."}],"balance_after":4342.82,"source":{"system":"sec-edgar","filing":"0001127602-24-028989","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224028989/form4.xml","form_type":"4"}},{"id":1345712,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-12-03T20:08:00.000Z","date":"2024-12-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":51.19,"value":1228.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #637."}],"balance_after":4304.95,"source":{"system":"sec-edgar","filing":"0001127602-24-028401","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224028401/form4.xml","form_type":"4"}},{"id":1411182,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-09-10T23:10:59.000Z","date":"2024-09-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":54.28,"value":1302.72,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #693."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP."}],"balance_after":4328.95,"source":{"system":"sec-edgar","filing":"0001127602-24-023749","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224023749/form4.xml","form_type":"4"}},{"id":1418036,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-09-03T21:17:49.000Z","date":"2024-09-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":55.33,"value":1327.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #637."}],"balance_after":4294,"source":{"system":"sec-edgar","filing":"0001127602-24-023337","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224023337/form4.xml","form_type":"4"}},{"id":1483895,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-06-11T17:25:09.000Z","date":"2024-06-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":47.59,"value":1142.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #693."}],"balance_after":4318,"source":{"system":"sec-edgar","filing":"0001127602-24-018334","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224018334/form4.xml","form_type":"4"}},{"id":1488746,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-06-07T01:52:42.000Z","date":"2024-06-05","kind":"grant","planned":false,"acquired":true,"shares":1616,"price":49.62,"value":80185.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted June 5, 2024 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3. RSA vests with a one-third on March 5, 2025, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":4342,"source":{"system":"sec-edgar","filing":"0001127602-24-018103","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224018103/form4.xml","form_type":"4"}},{"id":1493149,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-06-04T21:35:42.000Z","date":"2024-06-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":24,"price":49.89,"value":1197.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #637."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP and dividend reinvestment."}],"balance_after":2726,"source":{"system":"sec-edgar","filing":"0001127602-24-017777","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224017777/form4.xml","form_type":"4"}},{"id":1572943,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Water Quality/ Env Affairs"}}],"security":"Common Stock","published_at":"2024-03-19T01:43:35.000Z","date":"2024-03-05","kind":"grant","planned":false,"acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This amendment is being made solely to remove 1,616 shares of Common Stock reported in the original Form 4 pursuant to a restricted stock grant that was ultimately not effected."}],"balance_after":2662,"source":{"system":"sec-edgar","filing":"0001214659-24-004761","document":"marketforms-65261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465924004761/marketforms-65261.xml","form_type":"4/A","original_submission_date":"2024-03-07"}},{"id":1584728,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP Water Quality & Environ Aff"}}],"security":"Common Stock","published_at":"2024-03-11T23:02:00.000Z","date":"2024-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":110,"price":46.24,"value":5086.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #693."}],"balance_after":4168.43,"source":{"system":"sec-edgar","filing":"0001127602-24-009481","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224009481/form4.xml","form_type":"4"}},{"id":1589699,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP Water Quality & Environ Aff"}}],"security":"Common Stock","published_at":"2024-03-07T23:37:34.000Z","date":"2024-03-05","kind":"grant","planned":false,"acquired":true,"shares":1616,"price":45.37,"value":73317.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 3/5/2024 pursuant to the California Water Service Group equity incentive plan exempt under Rule 16-b-3.  RSA vest one-third on 3/5/2025, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":4278.43,"source":{"system":"sec-edgar","filing":"0001127602-24-009083","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224009083/form4.xml","form_type":"4"}},{"id":1598315,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40631,"kind":"person","name":"James Sophie Marwieh","position":1,"cik":"0001998622","reported_name":"James Sophie Marwieh","relationship":{"officer":true,"officer_title":"VP Water Quality & Environ Aff"}}],"security":"Common Stock","published_at":"2024-03-05T20:39:06.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":27,"price":45.53,"value":1229.31,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares withheld and surrendered to the issuer to satisfy the tax withholding obligations that arose in connection with the vesting of Restricted Stock (RSA) Award #637."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP and dividend reinvestment."}],"balance_after":2662.43,"source":{"system":"sec-edgar","filing":"0001127602-24-008484","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224008484/form4.xml","form_type":"4"}}]}