{"transactions":[{"id":823776,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Book)","published_at":"2026-04-01T16:11:22.000Z","date":"2026-04-01","kind":"tax_withholding","planned":false,"acquired":true,"shares":83,"price":52.05,"value":4320.15,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares released to the awardee after choosing to surrender shares back to Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock."}],"balance_after":83,"source":{"system":"sec-edgar","filing":"0001628280-26-022671","document":"wk-form4_1775059877.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/66004/000162828026022671/wk-form4_1775059877.xml","form_type":"4"}},{"id":823775,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Restricted Stock Book)","published_at":"2026-04-01T16:11:22.000Z","date":"2026-04-01","kind":"other","planned":false,"acquired":false,"shares":193,"price":52.05,"value":10045.65,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares of Restricted Stock originally awarded that have now vested."}],"balance_after":3448,"source":{"system":"sec-edgar","filing":"0001628280-26-022671","document":"wk-form4_1775059877.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/66004/000162828026022671/wk-form4_1775059877.xml","form_type":"4"}},{"id":823774,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Restricted Stock Book)","published_at":"2026-04-01T16:11:22.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":1679,"price":52.05,"value":87391.95,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of Restricted Stock awarded for current year."}],"balance_after":3641,"source":{"system":"sec-edgar","filing":"0001628280-26-022671","document":"wk-form4_1775059877.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/66004/000162828026022671/wk-form4_1775059877.xml","form_type":"4"}},{"id":883581,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Book)","published_at":"2026-02-25T21:19:29.000Z","date":"2026-02-25","kind":"sale","planned":false,"acquired":false,"shares":134,"price":54.04,"value":7241.36,"ownership":{"direct":true},"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-26-011687","document":"wk-form4_1772054366.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/66004/000162828026011687/wk-form4_1772054366.xml","form_type":"4"}},{"id":1181983,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Book)","published_at":"2025-04-03T20:11:46.000Z","date":"2025-04-01","kind":"tax_withholding","planned":false,"acquired":true,"shares":134,"price":64.1,"value":8589.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares released to the awardee after choosing to surrender shares back to Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock."}],"balance_after":134,"source":{"system":"sec-edgar","filing":"0001174947-25-000502","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494725000502/ownership.xml","form_type":"4"}},{"id":1181982,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Restricted Stock Book)","published_at":"2025-04-03T20:11:46.000Z","date":"2025-04-01","kind":"other","planned":false,"acquired":false,"shares":211,"price":64.1,"value":13525.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares of Restricted Stock originally awarded that have now vested."}],"balance_after":1962,"source":{"system":"sec-edgar","filing":"0001174947-25-000502","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494725000502/ownership.xml","form_type":"4"}},{"id":1181981,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Restricted Stock Book)","published_at":"2025-04-03T20:11:46.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":889,"price":64.1,"value":56984.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of Restricted Stock awarded for current year."}],"balance_after":2173,"source":{"system":"sec-edgar","filing":"0001174947-25-000502","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494725000502/ownership.xml","form_type":"4"}},{"id":1372414,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Common Stock (Book Entry)","published_at":"2024-11-08T21:45:37.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":143,"price":69.31,"value":9911.33,"ownership":{"direct":true},"balance_after":0,"source":{"system":"sec-edgar","filing":"0001174947-24-001238","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494724001238/ownership.xml","form_type":"4"}},{"id":1552240,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Book Entry)","published_at":"2024-04-03T18:43:20.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":true,"shares":143,"price":52.5,"value":7507.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares released to the awardee after choosing to surrender shares back to Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock."}],"balance_after":143,"source":{"system":"sec-edgar","filing":"0001174947-24-000503","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494724000503/ownership.xml","form_type":"4"}},{"id":1552239,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Restricted Stock Book Entry)","published_at":"2024-04-03T18:43:20.000Z","date":"2024-04-01","kind":"other","planned":false,"acquired":false,"shares":229,"price":52.5,"value":12022.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares of Restricted Stock originally awarded that have now vested."}],"balance_after":1284,"source":{"system":"sec-edgar","filing":"0001174947-24-000503","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494724000503/ownership.xml","form_type":"4"}},{"id":1552238,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO & Controller"}}],"security":"Common Stock (Restricted Stock Book Entry)","published_at":"2024-04-03T18:43:20.000Z","date":"2024-04-01","kind":"grant","planned":false,"acquired":true,"shares":498,"price":52.5,"value":26145.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of Restricted Stock awarded for current year."}],"balance_after":1513,"source":{"system":"sec-edgar","filing":"0001174947-24-000503","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494724000503/ownership.xml","form_type":"4"}},{"id":1855334,"issuer":{"id":4902,"kind":"organization","name":"MIDDLESEX WATER CO"},"owners":[{"id":54878,"kind":"person","name":"Capko Robert John","position":1,"cik":"0001981739","reported_name":"Capko Robert John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO/Controller"}}],"security":"Common Stock (Book Entry)","published_at":"2023-06-15T19:27:17.000Z","date":"2023-06-13","kind":"sale","planned":false,"acquired":false,"shares":297,"price":81.55,"value":24220.35,"ownership":{"direct":true},"balance_after":0,"source":{"system":"sec-edgar","filing":"0001174947-23-000866","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/66004/000117494723000866/ownership.xml","form_type":"4"}}]}