{"transactions":[{"id":3527222,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet Procure IT"}}],"security":"Common Stock","published_at":"2026-09-08T20:34:20.000Z","date":"2026-09-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":66,"price":50.03,"value":3301.98,"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 June 5, 2024."}],"balance_after":14805.45,"source":{"system":"sec-edgar","filing":"0001668263-26-000008","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668263/000166826326000008/edgardoc.xml","form_type":"4"}},{"id":3527221,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet Procure IT"}}],"security":"Common Stock","published_at":"2026-09-08T20:34:20.000Z","date":"2026-09-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":68,"price":50.03,"value":3402.04,"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"}],"balance_after":14871.45,"source":{"system":"sec-edgar","filing":"0001668263-26-000008","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668263/000166826326000008/edgardoc.xml","form_type":"4"}},{"id":746713,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet Procure IT"}}],"security":"Common Stock","published_at":"2026-06-08T21:43:05.000Z","date":"2026-06-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":66,"price":45.82,"value":3024.12,"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":14939.041,"source":{"system":"sec-edgar","filing":"0001668263-26-000006","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000006/edgardoc.xml","form_type":"4"}},{"id":746712,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet Procure IT"}}],"security":"Common Stock","published_at":"2026-06-08T21:43:05.000Z","date":"2026-06-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":67,"price":45.24,"value":3031.08,"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":15005.041,"source":{"system":"sec-edgar","filing":"0001668263-26-000006","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000006/edgardoc.xml","form_type":"4"}},{"id":854347,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2026-03-09T22:23:15.000Z","date":"2026-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":57,"price":45.59,"value":2598.63,"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":15066,"source":{"system":"sec-edgar","filing":"0001668263-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000004/edgardoc.xml","form_type":"4"}},{"id":854346,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2026-03-09T22:23:15.000Z","date":"2026-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":488,"price":45.59,"value":22247.92,"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":15123,"source":{"system":"sec-edgar","filing":"0001668263-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000004/edgardoc.xml","form_type":"4"}},{"id":854345,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2026-03-09T22:23:15.000Z","date":"2026-03-07","kind":"grant","planned":false,"acquired":true,"shares":900,"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":15611,"source":{"system":"sec-edgar","filing":"0001668263-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000004/edgardoc.xml","form_type":"4"}},{"id":854344,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2026-03-09T22:23:15.000Z","date":"2026-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":74,"price":45.78,"value":3387.72,"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":14711,"source":{"system":"sec-edgar","filing":"0001668263-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000004/edgardoc.xml","form_type":"4"}},{"id":859241,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2026-03-06T01:21:01.000Z","date":"2026-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":299,"price":46.99,"value":14050.01,"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":14785,"source":{"system":"sec-edgar","filing":"0001668263-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000002/edgardoc.xml","form_type":"4"}},{"id":859240,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2026-03-06T01:21:01.000Z","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":15084,"source":{"system":"sec-edgar","filing":"0001668263-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826326000002/edgardoc.xml","form_type":"4"}},{"id":976544,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2025-12-09T22:13:04.000Z","date":"2025-12-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":44.88,"value":2333.76,"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":13445.061,"source":{"system":"sec-edgar","filing":"0001668263-25-000003","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826325000003/edgardoc.xml","form_type":"4"}},{"id":976543,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2025-12-09T22:13:04.000Z","date":"2025-12-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":66,"price":44.88,"value":2962.08,"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":13497.061,"source":{"system":"sec-edgar","filing":"0001668263-25-000003","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000166826325000003/edgardoc.xml","form_type":"4"}},{"id":1045126,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2025-09-09T20:38:21.000Z","date":"2025-09-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":47.09,"value":2448.68,"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":13522.172,"source":{"system":"sec-edgar","filing":"0001035201-25-000036","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000103520125000036/edgardoc.xml","form_type":"4"}},{"id":1045125,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Facilities Fleet & Procure"}}],"security":"Common Stock","published_at":"2025-09-09T20:38:21.000Z","date":"2025-09-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":66,"price":47.09,"value":3107.94,"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":13574.172,"source":{"system":"sec-edgar","filing":"0001035201-25-000036","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000103520125000036/edgardoc.xml","form_type":"4"}},{"id":1115433,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-06-11T15:45:27.000Z","date":"2025-06-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":45.62,"value":2372.24,"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 #688."}],"balance_after":13370.04,"source":{"system":"sec-edgar","filing":"0001127602-25-017249","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225017249/form4.xml","form_type":"4"}},{"id":1118481,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-06-09T22:26:15.000Z","date":"2025-06-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":64,"price":45.85,"value":2934.4,"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) Award #798."}],"balance_after":13422.04,"source":{"system":"sec-edgar","filing":"0001127602-25-017136","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225017136/form4.xml","form_type":"4"}},{"id":1213061,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-03-11T23:38:06.000Z","date":"2025-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":56,"price":47.9,"value":2682.4,"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 #688."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes share acquired through the Employee Stock Purchase Program and Dividend Reinvestment."}],"balance_after":13486.04,"source":{"system":"sec-edgar","filing":"0001127602-25-009144","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225009144/form4.xml","form_type":"4"}},{"id":1220236,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-03-07T00:47:56.000Z","date":"2025-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":292,"price":56.65,"value":16541.8,"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 798"}],"balance_after":13428.4,"source":{"system":"sec-edgar","filing":"0001127602-25-008639","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008639/form4.xml","form_type":"4"}},{"id":1223632,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-03-06T01:27:32.000Z","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":13720.4,"source":{"system":"sec-edgar","filing":"0001127602-25-008441","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008441/form4.xml","form_type":"4"}},{"id":1223631,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-03-06T01:27:32.000Z","date":"2025-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":58,"price":45.45,"value":2636.1,"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 645."}],"balance_after":12067.4,"source":{"system":"sec-edgar","filing":"0001127602-25-008441","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008441/form4.xml","form_type":"4"}},{"id":1223630,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-03-06T01:27:32.000Z","date":"2025-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":982,"price":45.45,"value":44631.9,"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 661."}],"balance_after":12125.4,"source":{"system":"sec-edgar","filing":"0001127602-25-008441","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008441/form4.xml","form_type":"4"}},{"id":1223629,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2025-03-06T01:27:32.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":1814,"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 1619 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":13107.4,"source":{"system":"sec-edgar","filing":"0001127602-25-008441","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760225008441/form4.xml","form_type":"4"}},{"id":1337641,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-12-11T01:33:49.000Z","date":"2024-12-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":48.7,"value":2532.4,"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) Award #688."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through the Employee Stock Participation Program and Dividend Reinvestment."}],"balance_after":11401.4,"source":{"system":"sec-edgar","filing":"0001127602-24-029011","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224029011/form4.xml","form_type":"4"}},{"id":1345719,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-12-03T20:20:42.000Z","date":"2024-12-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":51.19,"value":2661.88,"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 (RSA) Award #645."}],"balance_after":11403.4,"source":{"system":"sec-edgar","filing":"0001127602-24-028407","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224028407/form4.xml","form_type":"4"}},{"id":1411185,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-09-10T23:19:09.000Z","date":"2024-09-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":54.28,"value":2822.56,"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 #688."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP."}],"balance_after":11455.4,"source":{"system":"sec-edgar","filing":"0001127602-24-023752","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224023752/form4.xml","form_type":"4"}},{"id":1418041,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-09-03T21:36:09.000Z","date":"2024-09-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":55.33,"value":2877.16,"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 #645."}],"balance_after":11448.71,"source":{"system":"sec-edgar","filing":"0001127602-24-023349","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224023349/form4.xml","form_type":"4"}},{"id":1483901,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-06-11T18:12:19.000Z","date":"2024-06-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":52,"price":47.59,"value":2474.68,"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 #688."}],"balance_after":11500.71,"source":{"system":"sec-edgar","filing":"0001127602-24-018342","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224018342/form4.xml","form_type":"4"}},{"id":1487368,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-06-07T13:14:46.000Z","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":11552.71,"source":{"system":"sec-edgar","filing":"0001127602-24-018111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224018111/form4.xml","form_type":"4"}},{"id":1493153,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-06-04T22:02:03.000Z","date":"2024-06-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":53,"price":49.89,"value":2644.17,"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 obligations that arose in connection with the vesting of the Restricted Stock (RSA) Award #645."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through Employee Stock Purchase Plan and dividend reinvestment"}],"balance_after":9936.71,"source":{"system":"sec-edgar","filing":"0001127602-24-017793","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224017793/form4.xml","form_type":"4"}},{"id":1572948,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-19T01:48:02.000Z","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":9763.79,"source":{"system":"sec-edgar","filing":"0001214659-24-004766","document":"marketforms-65256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465924004766/marketforms-65256.xml","form_type":"4/A","original_submission_date":"2024-03-07"}},{"id":1584724,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-11T22:56:34.000Z","date":"2024-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":235,"price":46.24,"value":10866.4,"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 #688."}],"balance_after":11144.79,"source":{"system":"sec-edgar","filing":"0001127602-24-009477","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224009477/form4.xml","form_type":"4"}},{"id":1589707,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-08T00:00:07.000Z","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":11379.79,"source":{"system":"sec-edgar","filing":"0001127602-24-009094","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224009094/form4.xml","form_type":"4"}},{"id":1598335,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-05T22:46:53.000Z","date":"2024-03-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":36,"price":45.53,"value":1639.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","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 #602."}],"balance_after":9763.79,"source":{"system":"sec-edgar","filing":"0001127602-24-008658","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224008658/form4.xml","form_type":"4"}},{"id":1598334,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-05T22:46:53.000Z","date":"2024-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":718,"price":45.53,"value":32690.54,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","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 Performance Stock Unit (PSU) Award #617."}],"balance_after":9799.79,"source":{"system":"sec-edgar","filing":"0001127602-24-008658","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224008658/form4.xml","form_type":"4"}},{"id":1598333,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-05T22:46:53.000Z","date":"2024-03-02","kind":"grant","planned":false,"acquired":true,"shares":1329,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On 3/2/2021, the reporting person was granted a Performance Stock Unit (PSU) of  874 shares of common stock.  The PSU vested in full based on satisfaction on certain performance criteria approved by the Board of Directors.  The performance criteria was met resulting in 152% payout of the original goal."}],"balance_after":10517.79,"source":{"system":"sec-edgar","filing":"0001127602-24-008658","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224008658/form4.xml","form_type":"4"}},{"id":1598332,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2024-03-05T22:46:53.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":58,"price":45.53,"value":2640.74,"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 #645."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP and dividend reinvestment."}],"balance_after":9188.79,"source":{"system":"sec-edgar","filing":"0001127602-24-008658","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760224008658/form4.xml","form_type":"4"}},{"id":1722372,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-12-05T22:02:16.000Z","date":"2023-12-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":33,"price":51.69,"value":1705.77,"ownership":{"direct":true},"balance_after":9083.37,"source":{"system":"sec-edgar","filing":"0001127602-23-028906","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223028906/form4.xml","form_type":"4"}},{"id":1722371,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-12-05T22:02:16.000Z","date":"2023-12-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":54,"price":51.69,"value":2791.26,"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 obligations that arose in connection with the vesting of the Restricted Stock (RSA) Award #645."}],"balance_after":9024.37,"source":{"system":"sec-edgar","filing":"0001127602-23-028906","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223028906/form4.xml","form_type":"4"}},{"id":1787719,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-09-06T20:13:55.000Z","date":"2023-09-03","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":33,"price":50.1,"value":1653.3,"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 vesting of the Restricted Stock Award (RSA) Award #602."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through ESPP and dividend reinvestment"}],"balance_after":9078.37,"source":{"system":"sec-edgar","filing":"0001127602-23-023776","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223023776/form4.xml","form_type":"4"}},{"id":1787718,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-09-06T20:13:55.000Z","date":"2023-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":54,"price":50.1,"value":2705.4,"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 (RSA) Award #645."}],"balance_after":9090.37,"source":{"system":"sec-edgar","filing":"0001127602-23-023776","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223023776/form4.xml","form_type":"4"}},{"id":1867754,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-06-06T00:26:10.000Z","date":"2023-06-03","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":33,"price":57.89,"value":1910.37,"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 vesting of the Restricted Stock Award (RSA) Award #602."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through the Employee Stock Participation Program and Dividend Reinvestment."}],"balance_after":9145,"source":{"system":"sec-edgar","filing":"0001127602-23-017975","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223017975/form4.xml","form_type":"4"}},{"id":1867753,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-06-06T00:26:10.000Z","date":"2023-06-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":54,"price":56.12,"value":3030.48,"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 (RSA) Award #645."}],"balance_after":9144.37,"source":{"system":"sec-edgar","filing":"0001127602-23-017975","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223017975/form4.xml","form_type":"4"}},{"id":1961430,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-03-09T22:59:05.000Z","date":"2023-03-07","kind":"grant","acquired":true,"shares":1275,"price":58.83,"value":75008.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 03/07/2023 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 7, 2024, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":9198.37,"source":{"system":"sec-edgar","filing":"0001127602-23-009636","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223009636/form4.xml","form_type":"4"}},{"id":1969709,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-03-07T01:49:29.000Z","date":"2023-03-03","kind":"tax_withholding","acquired":false,"shares":811,"price":56.84,"value":46097.24,"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 the Performance Stock Unit (PSU) Award #544"}],"balance_after":7923.37,"source":{"system":"sec-edgar","filing":"0001127602-23-009176","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223009176/form4.xml","form_type":"4"}},{"id":1969708,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-03-07T01:49:29.000Z","date":"2023-03-03","kind":"grant","acquired":true,"shares":1453,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On 3/3/2020, the reporting person was granted a Performance Stock Unit (PSU) of 1453 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 156% payout of the original goal."}],"balance_after":8734.37,"source":{"system":"sec-edgar","filing":"0001127602-23-009176","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223009176/form4.xml","form_type":"4"}},{"id":1969707,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-03-07T01:49:29.000Z","date":"2023-03-03","kind":"tax_withholding","acquired":false,"shares":40,"price":56.84,"value":2273.6,"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 (RSA) Award #529."}],"balance_after":7281.37,"source":{"system":"sec-edgar","filing":"0001127602-23-009176","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223009176/form4.xml","form_type":"4"}},{"id":1975337,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-03-04T00:30:52.000Z","date":"2023-03-02","kind":"tax_withholding","acquired":false,"shares":37,"price":56.76,"value":2100.12,"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 vesting of the Restricted Stock Award (RSA) Award #602."}],"balance_after":7321.37,"source":{"system":"sec-edgar","filing":"0001127602-23-008938","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223008938/form4.xml","form_type":"4"}},{"id":1975336,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"officer":true,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2023-03-04T00:30:52.000Z","date":"2023-03-01","kind":"tax_withholding","acquired":false,"shares":238,"price":55.9,"value":13304.2,"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 (RSA) Award #645."}],"balance_after":7358.37,"source":{"system":"sec-edgar","filing":"0001127602-23-008938","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000112760223008938/form4.xml","form_type":"4"}},{"id":2096786,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-12-05T17:57:58.000Z","date":"2022-12-03","kind":"tax_withholding","acquired":false,"shares":33,"price":64.3,"value":2121.9,"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 vesting of the Restricted Stock (RSA) Award #529."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The securities owned includes share acquired through ESPP and dividend reinvestment."}],"balance_after":7577.19,"source":{"system":"sec-edgar","filing":"0001214659-22-014516","document":"marketforms-57695.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922014516/marketforms-57695.xml","form_type":"4"}},{"id":2096785,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-12-05T17:57:58.000Z","date":"2022-12-02","kind":"tax_withholding","acquired":false,"shares":30,"price":64.3,"value":1929.0,"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 (RSA) Award #602."}],"balance_after":7596.07,"source":{"system":"sec-edgar","filing":"0001214659-22-014516","document":"marketforms-57695.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922014516/marketforms-57695.xml","form_type":"4"}},{"id":2166264,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-09-06T20:27:55.000Z","date":"2022-09-03","kind":"tax_withholding","acquired":false,"shares":33,"price":58.44,"value":1928.52,"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 vesting of the Restricted Stock (RSA) Award #529."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The securities owned includes share acquired through ESPP and dividend reinvestment."}],"balance_after":7626.07,"source":{"system":"sec-edgar","filing":"0001214659-22-010914","document":"marketforms-57009.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922010914/marketforms-57009.xml","form_type":"4"}},{"id":2166263,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-09-06T20:27:55.000Z","date":"2022-09-02","kind":"tax_withholding","acquired":false,"shares":31,"price":58.44,"value":1811.64,"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 (RSA) Award #602."}],"balance_after":7647.08,"source":{"system":"sec-edgar","filing":"0001214659-22-010914","document":"marketforms-57009.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922010914/marketforms-57009.xml","form_type":"4"}},{"id":2242809,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-06-06T19:13:47.000Z","date":"2022-06-03","kind":"tax_withholding","acquired":false,"shares":33,"price":54.96,"value":1813.68,"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 vesting of the Restricted Stock (RSA) Award #529."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The securities owned includes share acquired through ESPP and dividend reinvestment."}],"balance_after":7678.08,"source":{"system":"sec-edgar","filing":"0001214659-22-007845","document":"marketforms-56353.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922007845/marketforms-56353.xml","form_type":"4"}},{"id":2242808,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-06-06T19:13:47.000Z","date":"2022-06-02","kind":"tax_withholding","acquired":false,"shares":30,"price":55.21,"value":1656.3,"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 (RSA) Award #602."}],"balance_after":7679,"source":{"system":"sec-edgar","filing":"0001214659-22-007845","document":"marketforms-56353.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922007845/marketforms-56353.xml","form_type":"4"}},{"id":2348500,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-03-08T01:37:53.000Z","date":"2022-03-05","kind":"tax_withholding","acquired":false,"shares":708,"price":58.63,"value":41510.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","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 Performance Stock Unit (PSU) Award #499."}],"balance_after":7709,"source":{"system":"sec-edgar","filing":"0001214659-22-003705","document":"marketforms-55710.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922003705/marketforms-55710.xml","form_type":"4"}},{"id":2348499,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-03-08T01:37:53.000Z","date":"2022-03-05","kind":"grant","acquired":true,"shares":1389,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On 3/5/2019, the reporting person was granted a Performance Stock Unit (PSU) of 875 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 159% payout of the original goal."}],"balance_after":8417,"source":{"system":"sec-edgar","filing":"0001214659-22-003705","document":"marketforms-55710.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922003705/marketforms-55710.xml","form_type":"4"}},{"id":2348498,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-03-08T01:37:53.000Z","date":"2022-03-05","kind":"tax_withholding","acquired":false,"shares":39,"price":58.63,"value":2286.57,"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 vesting of the Restricted Stock (RSA) Award #487."}],"balance_after":7028,"source":{"system":"sec-edgar","filing":"0001214659-22-003705","document":"marketforms-55710.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922003705/marketforms-55710.xml","form_type":"4"}},{"id":2348497,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-03-08T01:37:53.000Z","date":"2022-03-03","kind":"tax_withholding","acquired":false,"shares":37,"price":57.01,"value":2109.37,"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 (RSA) Award #529."}],"balance_after":7067,"source":{"system":"sec-edgar","filing":"0001214659-22-003705","document":"marketforms-55710.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922003705/marketforms-55710.xml","form_type":"4"}},{"id":2356028,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-03-03T22:36:16.000Z","date":"2022-03-02","kind":"tax_withholding","acquired":false,"shares":141,"price":56.9,"value":8022.9,"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 vesting of the Restricted Stock (RSA) Award #602."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through the Employee Stock Participation Program and Dividend Reinvestment."}],"balance_after":7104,"source":{"system":"sec-edgar","filing":"0001214659-22-003600","document":"marketforms-55676.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922003600/marketforms-55676.xml","form_type":"4"}},{"id":2356027,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-03-03T22:36:16.000Z","date":"2022-03-01","kind":"grant","acquired":true,"shares":1278,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 3/1/2022 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3. RSA vests with one-third on March 1, 2023, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":7225.62,"source":{"system":"sec-edgar","filing":"0001214659-22-003600","document":"marketforms-55676.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922003600/marketforms-55676.xml","form_type":"4"}},{"id":2444928,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2022-01-05T23:50:09.000Z","date":"2022-01-04","kind":"tax_withholding","acquired":false,"shares":261,"price":69.87,"value":18236.07,"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 (RSA) Award #569."}],"balance_after":5947.62,"source":{"system":"sec-edgar","filing":"0001214659-22-000363","document":"marketforms-54983.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465922000363/marketforms-54983.xml","form_type":"4"}},{"id":2484144,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-12-06T22:55:50.000Z","date":"2021-12-05","kind":"tax_withholding","acquired":false,"shares":33,"price":65.36,"value":2156.88,"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 the Restricted Stock (RSA) Award #487."}],"balance_after":6208.62,"source":{"system":"sec-edgar","filing":"0001214659-21-012758","document":"marketforms-54514.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921012758/marketforms-54514.xml","form_type":"4"}},{"id":2484143,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-12-06T22:55:50.000Z","date":"2021-12-03","kind":"tax_withholding","acquired":false,"shares":32,"price":65.36,"value":2091.52,"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 (RSA) Award #529."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP."}],"balance_after":6238.45,"source":{"system":"sec-edgar","filing":"0001214659-21-012758","document":"marketforms-54514.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921012758/marketforms-54514.xml","form_type":"4"}},{"id":2577658,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-09-07T17:38:57.000Z","date":"2021-09-05","kind":"tax_withholding","acquired":false,"shares":33,"price":64.49,"value":2128.17,"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 the Restricted Stock (RSA) Award #487."}],"balance_after":6263.79,"source":{"system":"sec-edgar","filing":"0001214659-21-009336","document":"marketforms-53733.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921009336/marketforms-53733.xml","form_type":"4"}},{"id":2577657,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-09-07T17:38:57.000Z","date":"2021-09-03","kind":"tax_withholding","acquired":false,"shares":32,"price":64.49,"value":2063.68,"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 (RSA) Award #529."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through ESPP."}],"balance_after":6296.79,"source":{"system":"sec-edgar","filing":"0001214659-21-009336","document":"marketforms-53733.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921009336/marketforms-53733.xml","form_type":"4"}},{"id":2679700,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-06-07T17:53:12.000Z","date":"2021-06-05","kind":"tax_withholding","acquired":false,"shares":33,"price":56.66,"value":1869.78,"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 (RSA) Award #487."}],"balance_after":6313.75,"source":{"system":"sec-edgar","filing":"0001214659-21-006353","document":"marketforms-53060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921006353/marketforms-53060.xml","form_type":"4"}},{"id":2681390,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-06-04T19:58:43.000Z","date":"2021-06-03","kind":"tax_withholding","acquired":false,"shares":31,"price":56.94,"value":1765.14,"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 (RSA) Award #529."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through the Employee Stock Participation Program and Dividend Reinvestment."}],"balance_after":6346.75,"source":{"system":"sec-edgar","filing":"0001214659-21-006299","document":"marketforms-53044.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921006299/marketforms-53044.xml","form_type":"4"}},{"id":2786815,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-16T21:32:18.000Z","date":"2021-03-15","kind":"sale","acquired":false,"shares":500,"price":53.314,"value":26657.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The transaction was executed in multiple transaction with an average price of $53.314.  The reporting person hereby undertakes to provide to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares an prices at which the transaction was effected."}],"balance_after":6161.74,"source":{"system":"sec-edgar","filing":"0001214659-21-003191","document":"marketforms-52033.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921003191/marketforms-52033.xml","form_type":"4"}},{"id":2803672,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-09T02:08:01.000Z","date":"2021-03-06","kind":"tax_withholding","acquired":false,"shares":889,"price":52.96,"value":47081.44,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","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 Performance Stock Unit (PSU) Award #458."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes shares acquired through ESPP and dividend reinvestment"}],"balance_after":6661.74,"source":{"system":"sec-edgar","filing":"0001214659-21-002876","document":"marketforms-51797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921002876/marketforms-51797.xml","form_type":"4"}},{"id":2803671,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-09T02:08:01.000Z","date":"2021-03-06","kind":"grant","acquired":true,"shares":1713,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On 3/6/2018, the reporting person was granted a Performance Stock Unit (PSU) of 1,173 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 146% payout of the original goal."}],"balance_after":7498.51,"source":{"system":"sec-edgar","filing":"0001214659-21-002876","document":"marketforms-51797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921002876/marketforms-51797.xml","form_type":"4"}},{"id":2803670,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-09T02:08:01.000Z","date":"2021-03-06","kind":"tax_withholding","acquired":false,"shares":51,"price":52.96,"value":2700.96,"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 vesting of the Restricted Stock (RSA) Award #442."}],"balance_after":5785.51,"source":{"system":"sec-edgar","filing":"0001214659-21-002876","document":"marketforms-51797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921002876/marketforms-51797.xml","form_type":"4"}},{"id":2803669,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-09T02:08:01.000Z","date":"2021-03-05","kind":"tax_withholding","acquired":false,"shares":38,"price":52.96,"value":2012.48,"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 (RSA) Award #487."}],"balance_after":5836.51,"source":{"system":"sec-edgar","filing":"0001214659-21-002876","document":"marketforms-51797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921002876/marketforms-51797.xml","form_type":"4"}},{"id":2809392,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-04T21:22:38.000Z","date":"2021-03-03","kind":"tax_withholding","acquired":false,"shares":147,"price":53.21,"value":7821.87,"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 vesting of the Restricted Stock (RSA) Award #529."}],"balance_after":5874.51,"source":{"system":"sec-edgar","filing":"0001214659-21-002718","document":"marketforms-51748.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921002718/marketforms-51748.xml","form_type":"4"}},{"id":2809391,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-03-04T21:22:38.000Z","date":"2021-03-02","kind":"grant","acquired":true,"shares":787,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 3/2/2021 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3. RSA vests with one-third on March 2, 2022, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":6021.51,"source":{"system":"sec-edgar","filing":"0001214659-21-002718","document":"marketforms-51748.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921002718/marketforms-51748.xml","form_type":"4"}},{"id":2916437,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2021-01-06T20:45:51.000Z","date":"2021-01-04","kind":"grant","acquired":true,"shares":485,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 01/04/2021 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3. RSA vests with a one-year cliff vesting term, vesting 100% on the first anniversary of the grant date. Includes dividend reinvestment."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Restricted stock granted 01/04/2021 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3. RSA vests with a one-year cliff vesting term, vesting 100% on the first anniversary of the grant date. Includes dividend reinvestment."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes shares acquired through the Employee Stock Participation Program"}],"balance_after":5234.51,"source":{"system":"sec-edgar","filing":"0001214659-21-000200","document":"marketforms-50863.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465921000200/marketforms-50863.xml","form_type":"4"}},{"id":2953912,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-12-08T20:49:56.000Z","date":"2020-12-06","kind":"tax_withholding","acquired":false,"shares":47,"price":49.46,"value":2324.62,"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 vesting of the Restricted Stock (RSA) Award #442."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through the Employee Stock Participation Program and Dividend Reinvestment."}],"balance_after":4743.35,"source":{"system":"sec-edgar","filing":"0001214659-20-010254","document":"marketforms-50572.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920010254/marketforms-50572.xml","form_type":"4"}},{"id":2953911,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-12-08T20:49:56.000Z","date":"2020-12-05","kind":"tax_withholding","acquired":false,"shares":35,"price":49.46,"value":1731.1,"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 (RSA) Award #487."}],"balance_after":4775.2,"source":{"system":"sec-edgar","filing":"0001214659-20-010254","document":"marketforms-50572.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920010254/marketforms-50572.xml","form_type":"4"}},{"id":3036703,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-09-08T20:03:12.000Z","date":"2020-09-06","kind":"tax_withholding","acquired":false,"shares":47,"price":45.88,"value":2156.36,"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 vesting of the Restricted Stock (RSA) Award #442."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through ESPP and dividend reinvestment"}],"balance_after":4810.2,"source":{"system":"sec-edgar","filing":"0001214659-20-007721","document":"marketforms-49652.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920007721/marketforms-49652.xml","form_type":"4"}},{"id":3036702,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-09-08T20:03:12.000Z","date":"2020-09-05","kind":"tax_withholding","acquired":false,"shares":35,"price":45.88,"value":1605.8,"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 vesting of the Restricted Stock (RSA) Award #487."}],"balance_after":4839.98,"source":{"system":"sec-edgar","filing":"0001214659-20-007721","document":"marketforms-49652.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920007721/marketforms-49652.xml","form_type":"4"}},{"id":3117125,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-06-09T21:46:07.000Z","date":"2020-06-06","kind":"tax_withholding","acquired":false,"shares":47,"price":48.45,"value":2277.15,"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 vesting of the Restricted Stock (RSA) Award #442."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares acquired through ESPP and dividend reinvestment"}],"balance_after":4874.98,"source":{"system":"sec-edgar","filing":"0001214659-20-005506","document":"marketforms-49002.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920005506/marketforms-49002.xml","form_type":"4"}},{"id":3117124,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-06-09T21:46:07.000Z","date":"2020-06-05","kind":"tax_withholding","acquired":false,"shares":35,"price":48.45,"value":1695.75,"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 (RSA) Award #487."}],"balance_after":4884.71,"source":{"system":"sec-edgar","filing":"0001214659-20-005506","document":"marketforms-49002.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920005506/marketforms-49002.xml","form_type":"4"}},{"id":3220935,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-03-10T00:13:09.000Z","date":"2020-03-06","kind":"tax_withholding","acquired":false,"shares":46,"price":54.37,"value":2501.02,"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 vesting of the Restricted Stock (RSA) Award #442."}],"balance_after":4919.71,"source":{"system":"sec-edgar","filing":"0001214659-20-002443","document":"marketforms-48245.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920002443/marketforms-48245.xml","form_type":"4"}},{"id":3220934,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-03-10T00:13:09.000Z","date":"2020-03-05","kind":"tax_withholding","acquired":false,"shares":138,"price":53.99,"value":7450.62,"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 (RSA) Award #487."}],"balance_after":4950.4,"source":{"system":"sec-edgar","filing":"0001214659-20-002443","document":"marketforms-48245.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920002443/marketforms-48245.xml","form_type":"4"}},{"id":3225017,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-03-06T01:31:54.000Z","date":"2020-03-03","kind":"grant","acquired":true,"shares":838,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 3/3/2020 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3. RSA vests with one-third on March 3, 2021, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":5088.4,"source":{"system":"sec-edgar","filing":"0001214659-20-002341","document":"marketforms-48187.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920002341/marketforms-48187.xml","form_type":"4"}},{"id":3233667,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-03-03T21:38:56.000Z","date":"2020-02-28","kind":"tax_withholding","acquired":false,"shares":988,"price":47.96,"value":47384.48,"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 the Performance Stock Unit (PSU) Award #413."}],"balance_after":4250.4,"source":{"system":"sec-edgar","filing":"0001214659-20-002143","document":"marketforms-47955.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920002143/marketforms-47955.xml","form_type":"4"}},{"id":3233666,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-03-03T21:38:56.000Z","date":"2020-02-28","kind":"grant","acquired":true,"shares":1836,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On 2/28/2017, the reporting person was granted a Performance Stock Unit (PSU) of 1,287 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 142.667% payout of the original goal."}],"balance_after":5238.4,"source":{"system":"sec-edgar","filing":"0001214659-20-002143","document":"marketforms-47955.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920002143/marketforms-47955.xml","form_type":"4"}},{"id":3233665,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2020-03-03T21:38:56.000Z","date":"2020-02-28","kind":"tax_withholding","acquired":false,"shares":59,"price":47.96,"value":2829.64,"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 (RSA) Award #400."}],"balance_after":3402.4,"source":{"system":"sec-edgar","filing":"0001214659-20-002143","document":"marketforms-47955.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465920002143/marketforms-47955.xml","form_type":"4"}},{"id":3348473,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-12-09T22:01:22.000Z","date":"2019-12-06","kind":"tax_withholding","acquired":false,"shares":44,"price":51.89,"value":2283.16,"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 (RSA) Award #442."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents the number of shares acquired through the Employee Stock Participation Program for September 2019, October 2019 and November 2019 and Dividend Reinvestment for November 2019."}],"balance_after":3461.4,"source":{"system":"sec-edgar","filing":"0001214659-19-007623","document":"marketforms-46815.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919007623/marketforms-46815.xml","form_type":"4"}},{"id":3357901,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-11-28T00:25:19.000Z","date":"2019-11-27","kind":"tax_withholding","acquired":false,"shares":48,"price":51.16,"value":2455.68,"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 (RSA) Award #400."}],"balance_after":3493.1,"source":{"system":"sec-edgar","filing":"0001214659-19-007456","document":"marketforms-46575.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919007456/marketforms-46575.xml","form_type":"4"}},{"id":3418705,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-09-10T19:37:34.000Z","date":"2019-09-06","kind":"tax_withholding","acquired":false,"shares":44,"price":54.69,"value":2406.36,"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 (RSA) Award #442."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents the number of shares acquired through the Employee Stock Participation Program for June 2019, July 2019 and August 2019 and Dividend Reinvestment for August 2019."}],"balance_after":3541.1,"source":{"system":"sec-edgar","filing":"0001214659-19-005797","document":"marketforms-45738.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919005797/marketforms-45738.xml","form_type":"4"}},{"id":3426792,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-08-29T21:00:18.000Z","date":"2019-08-28","kind":"tax_withholding","acquired":false,"shares":48,"price":55.8,"value":2678.4,"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 (RSA) Award #400."}],"balance_after":3570.97,"source":{"system":"sec-edgar","filing":"0001214659-19-005530","document":"marketforms-45634.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919005530/marketforms-45634.xml","form_type":"4"}},{"id":3497512,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-06-07T20:53:45.000Z","date":"2019-06-06","kind":"tax_withholding","acquired":false,"shares":44,"price":50.54,"value":2223.76,"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 (RSA) Award #442."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 31.56 shares acquired through the Employee Stock Participation Program for March 2019 through May 2019."}],"balance_after":3618.97,"source":{"system":"sec-edgar","filing":"0001214659-19-004120","document":"marketforms-45192.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919004120/marketforms-45192.xml","form_type":"4"}},{"id":3507792,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-05-30T20:52:28.000Z","date":"2019-05-28","kind":"tax_withholding","acquired":false,"shares":49,"price":50.22,"value":2460.78,"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 (RSA) Award #400."}],"balance_after":3631.41,"source":{"system":"sec-edgar","filing":"0001214659-19-003893","document":"marketforms-45076.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919003893/marketforms-45076.xml","form_type":"4"}},{"id":3596041,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-14T21:59:37.000Z","date":"2019-03-13","kind":"sale","acquired":false,"shares":1000,"price":54.0341,"value":54034.1,"ownership":{"direct":true},"balance_after":3680.41,"source":{"system":"sec-edgar","filing":"0001214659-19-002120","document":"marketforms-44588.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919002120/marketforms-44588.xml","form_type":"4"}},{"id":3606654,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-08T01:26:50.000Z","date":"2019-03-06","kind":"tax_withholding","acquired":false,"shares":177,"price":52.05,"value":9212.85,"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 vesting of the Restricted Stock (RSA) Award #442."}],"balance_after":4680.41,"source":{"system":"sec-edgar","filing":"0001214659-19-001992","document":"marketforms-44490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919001992/marketforms-44490.xml","form_type":"4"}},{"id":3606653,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-08T01:26:50.000Z","date":"2019-03-05","kind":"grant","acquired":true,"shares":875,"price":52.83,"value":46226.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock granted 3/5/2019 pursuant to the California Water Service Group equity incentive plan in a transaction exempt under Rule 16-b-3.  RSA vests with one-third on March 5, 2020, with the remaining 2/3 vesting quarterly over the succeeding 24 months."}],"balance_after":4857.41,"source":{"system":"sec-edgar","filing":"0001214659-19-001992","document":"marketforms-44490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919001992/marketforms-44490.xml","form_type":"4"}},{"id":3619877,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-05T01:43:57.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":1063,"price":52.53,"value":55839.39,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","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 Performance Stock Unit#381."}],"balance_after":3973,"source":{"system":"sec-edgar","filing":"0001214659-19-001768","document":"marketforms-44411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919001768/marketforms-44411.xml","form_type":"4"}},{"id":3619876,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-05T01:43:57.000Z","date":"2019-03-01","kind":"grant","acquired":true,"shares":2173,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On 3/1/2016, the reporting person was granted a Performance Stock Unit (PSU) of 1,513 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 143.667% payout of the original goal."}],"balance_after":5036,"source":{"system":"sec-edgar","filing":"0001214659-19-001768","document":"marketforms-44411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919001768/marketforms-44411.xml","form_type":"4"}},{"id":3619875,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-05T01:43:57.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":65,"price":52.53,"value":3414.45,"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 vesting of the Restricted Stock (RSA) Award #363."}],"balance_after":2863,"source":{"system":"sec-edgar","filing":"0001214659-19-001768","document":"marketforms-44411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919001768/marketforms-44411.xml","form_type":"4"}},{"id":3619874,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40639,"kind":"person","name":"Ouyang Elissa Y","position":1,"cik":"0001668263","reported_name":"Ouyang Elissa Y","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Procurement & Lead CI"}}],"security":"Common Stock","published_at":"2019-03-05T01:43:57.000Z","date":"2019-02-28","kind":"tax_withholding","acquired":false,"shares":55,"price":52.02,"value":2861.1,"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 (RSA) Award #400."}],"balance_after":2928,"source":{"system":"sec-edgar","filing":"0001214659-19-001768","document":"marketforms-44411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000121465919001768/marketforms-44411.xml","form_type":"4"}}],"next_cursor":"2019-03-05T01:43:57.000000Z,3619874"}