{"transactions":[{"id":3528004,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-09-08T20:36:28.000Z","date":"2026-09-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":40,"price":50.03,"value":2001.2,"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":8258.929,"source":{"system":"sec-edgar","filing":"0001965544-26-000008","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1965544/000196554426000008/edgardoc.xml","form_type":"4"}},{"id":3528003,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-09-08T20:36:28.000Z","date":"2026-09-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":41,"price":50.03,"value":2051.23,"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":8298.929,"source":{"system":"sec-edgar","filing":"0001965544-26-000008","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1965544/000196554426000008/edgardoc.xml","form_type":"4"}},{"id":746715,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-06-08T21:46:48.000Z","date":"2026-06-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":40,"price":45.82,"value":1832.8,"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":8340,"source":{"system":"sec-edgar","filing":"0001965544-26-000006","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000006/edgardoc.xml","form_type":"4"}},{"id":746714,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-06-08T21:46:48.000Z","date":"2026-06-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":40,"price":45.24,"value":1809.6,"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":8380,"source":{"system":"sec-edgar","filing":"0001965544-26-000006","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000006/edgardoc.xml","form_type":"4"}},{"id":854351,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-03-09T22:25:17.000Z","date":"2026-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":34,"price":45.59,"value":1550.06,"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":8420,"source":{"system":"sec-edgar","filing":"0001965544-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000004/edgardoc.xml","form_type":"4"}},{"id":854350,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-03-09T22:25:17.000Z","date":"2026-03-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":296,"price":45.59,"value":13494.64,"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":8454,"source":{"system":"sec-edgar","filing":"0001965544-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000004/edgardoc.xml","form_type":"4"}},{"id":854349,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-03-09T22:25:17.000Z","date":"2026-03-07","kind":"grant","planned":false,"acquired":true,"shares":548,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reporting person was granted a Performance Stock Unit (PSU) award on 3/7/2023.  The PSU vested in full based on the satisfaction of certain performance criteria approved by the Board of Directors.  The performance criteria was met resulting in 46% payout of the original goal"}],"balance_after":8750,"source":{"system":"sec-edgar","filing":"0001965544-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000004/edgardoc.xml","form_type":"4"}},{"id":854348,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-03-09T22:25:17.000Z","date":"2026-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":44,"price":45.78,"value":2014.32,"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":8202,"source":{"system":"sec-edgar","filing":"0001965544-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000004/edgardoc.xml","form_type":"4"}},{"id":859245,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-03-06T01:22:59.000Z","date":"2026-03-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":179,"price":46.99,"value":8411.21,"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":8246,"source":{"system":"sec-edgar","filing":"0001965544-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000002/edgardoc.xml","form_type":"4"}},{"id":859244,"issuer":{"id":4212,"kind":"organization","name":"CALIFORNIA WATER SERVICE GROUP","symbol":"CWT"},"owners":[{"id":40640,"kind":"person","name":"Peters Todd Kenneth","position":1,"cik":"0001965544","reported_name":"Peters Todd Kenneth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President, Engineering"}}],"security":"Common Stock","published_at":"2026-03-06T01:22:59.000Z","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."}],"balance_after":8425,"source":{"system":"sec-edgar","filing":"0001965544-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035201/000196554426000002/edgardoc.xml","form_type":"4"}}]}