{"transactions":[{"id":857728,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2026-03-05T16:45:39.000Z","date":"2026-03-04","kind":"grant","planned":false,"acquired":true,"shares":6130,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (RSUs) that vest on December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock."}],"balance_after":46760,"source":{"system":"sec-edgar","filing":"0001225208-26-003290","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520826003290/doc4.xml","form_type":"4"}},{"id":900292,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2026-02-17T16:27:33.000Z","date":"2026-02-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":4599,"price":81.74,"value":375922.26,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award."}],"balance_after":40630,"source":{"system":"sec-edgar","filing":"0001225208-26-001960","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520826001960/doc4.xml","form_type":"4"}},{"id":900291,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2026-02-17T16:27:33.000Z","date":"2026-02-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":2880,"price":81.74,"value":235411.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award."}],"balance_after":45229,"source":{"system":"sec-edgar","filing":"0001225208-26-001960","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520826001960/doc4.xml","form_type":"4"}},{"id":1235095,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2025-03-03T17:26:50.000Z","date":"2025-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":4016,"price":94.73,"value":380435.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award."}],"balance_after":48109,"source":{"system":"sec-edgar","filing":"0001225208-25-002699","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520825002699/doc4.xml","form_type":"4"}},{"id":1235094,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2025-03-03T17:26:50.000Z","date":"2025-02-27","kind":"grant","planned":false,"acquired":true,"shares":3114,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (RSUs) that vest on December 31, 2027, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1 previously granted RSU that was not previously reported as held by the reporting person due to an administrative error."}],"balance_after":52125,"source":{"system":"sec-edgar","filing":"0001225208-25-002699","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520825002699/doc4.xml","form_type":"4"}},{"id":1618539,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2024-02-26T16:18:30.000Z","date":"2024-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":3280,"price":72.55,"value":237964.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a RSU award."}],"balance_after":49010,"source":{"system":"sec-edgar","filing":"0001225208-24-002953","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520824002953/doc4.xml","form_type":"4"}},{"id":1618538,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2024-02-26T16:18:30.000Z","date":"2024-02-22","kind":"grant","planned":false,"acquired":true,"shares":4805,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (RSUs) that vest on December 31, 2026, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock."}],"balance_after":52290,"source":{"system":"sec-edgar","filing":"0001225208-24-002953","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520824002953/doc4.xml","form_type":"4"}},{"id":1830011,"issuer":{"id":4128,"kind":"organization","name":"Knife River Corp"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"Vice President & COO"}}],"security":"Common Stock","published_at":"2023-07-13T17:19:44.000Z","date":"2023-07-12","kind":"grant","planned":false,"acquired":true,"shares":7236,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (RSUs) that vest on December 31, 2025, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,017 shares of the issuer's common stock, 8,506 RSUs that vest on December 31, 2023, 10,223 RSUs that vest on December 31, 2024, and 11,503 RSUs that vest on December 31, 2025, provided, in each case, that the reporting person remains employed by the issuer as of the applicable vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock. Such RSUs were converted from certain previously granted equity-based awards of MDU Resources Group, Inc., the issuer's former parent company, in connection with approximately 90% of the issuer's outstanding common stock being distributed to shareholders of MDU Resources Group, Inc. on May 31, 2023."}],"balance_after":47485,"source":{"system":"sec-edgar","filing":"0001225208-23-007503","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1719997/000122520823007503/doc4.xml","form_type":"4"}},{"id":1872863,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO-WBI Holdings"}}],"security":"Common Stock","published_at":"2023-06-01T17:23:12.000Z","date":"2023-05-31","kind":"grant","planned":false,"acquired":true,"shares":6850,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents RSUs that vest on December 31, 2023, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock. On May 31, 2023, such RSUs were converted from a previously granted performance-based share award in connection with the Spin-Off."}],"balance_after":76359.527,"source":{"system":"sec-edgar","filing":"0001225208-23-006396","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520823006396/doc4.xml","form_type":"4"}},{"id":1872862,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO-WBI Holdings"}}],"security":"Common Stock","published_at":"2023-06-01T17:23:12.000Z","date":"2023-05-31","kind":"grant","planned":false,"acquired":true,"shares":8992,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (RSUs) that vest on December 31, 2024, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock. On May 31, 2023, such RSUs were converted from a previously granted performance-based share award in connection with the issuer's distribution to its shareholders of approximately 90% of the outstanding shares of its wholly owned subsidiary, Knife River Corporation (formerly known as Knife River Holding Company), on May 31, 2023 (the \"Spin-off\")."}],"balance_after":69509.527,"source":{"system":"sec-edgar","filing":"0001225208-23-006396","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520823006396/doc4.xml","form_type":"4"}},{"id":2005713,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2023-02-21T21:43:41.000Z","date":"2023-02-16","kind":"tax_withholding","acquired":false,"shares":4438,"price":31.16,"value":138288.08,"ownership":{"direct":true},"balance_after":60517.527,"source":{"system":"sec-edgar","filing":"0001225208-23-002417","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520823002417/doc4.xml","form_type":"4"}},{"id":2005712,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2023-02-21T21:43:41.000Z","date":"2023-02-16","kind":"grant","acquired":true,"shares":11147,"price":31.16,"value":347340.52,"ownership":{"direct":true},"balance_after":64955.527,"source":{"system":"sec-edgar","filing":"0001225208-23-002417","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520823002417/doc4.xml","form_type":"4"}},{"id":2005711,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2023-02-21T21:43:41.000Z","date":"2023-02-16","kind":"grant","acquired":true,"shares":13806,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that vest on December 31, 2025, provided that the reporting person remains employed by the issuer as of the vesting date. Each restricted stock unit represents the contingent right to receive one share of the issuer's common stock."}],"balance_after":53808.527,"source":{"system":"sec-edgar","filing":"0001225208-23-002417","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520823002417/doc4.xml","form_type":"4"}},{"id":2370794,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2022-02-28T22:36:32.000Z","date":"2022-02-17","kind":"grant","acquired":true,"shares":3282,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted stock units that vest on December 31, 2024, provided that the reporting person remains employed by the issuer as of the vesting date. Each restricted stock unit represents the contingent right to receive one share of the issuer's common stock."}],"balance_after":40002.527,"source":{"system":"sec-edgar","filing":"0001225208-22-003580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520822003580/doc4.xml","form_type":"4"}},{"id":2370793,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2022-02-28T22:36:32.000Z","date":"2021-02-11","kind":"grant","acquired":true,"shares":3358,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that vest on December 31, 2023, provided that the reporting person remains employed by the issuer as of the vesting date. Each restricted stock unit represents the contingent right to receive one share of the issuer's common stock."}],"balance_after":36720.527,"source":{"system":"sec-edgar","filing":"0001225208-22-003580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520822003580/doc4.xml","form_type":"4"}},{"id":2384264,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2022-02-22T22:16:55.000Z","date":"2022-02-17","kind":"tax_withholding","acquired":false,"shares":7398,"price":27.73,"value":205146.54,"ownership":{"direct":true},"balance_after":33362.527,"source":{"system":"sec-edgar","filing":"0001225208-22-002962","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520822002962/doc4.xml","form_type":"4"}},{"id":2384263,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2022-02-22T22:16:55.000Z","date":"2022-02-17","kind":"grant","acquired":true,"shares":18421,"price":27.73,"value":510814.33,"ownership":{"direct":true},"balance_after":40760.527,"source":{"system":"sec-edgar","filing":"0001225208-22-002962","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520822002962/doc4.xml","form_type":"4"}},{"id":2861536,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2021-02-16T22:54:22.000Z","date":"2021-02-11","kind":"tax_withholding","acquired":false,"shares":6218,"price":27.35,"value":170062.3,"ownership":{"direct":true},"balance_after":22339.527,"source":{"system":"sec-edgar","filing":"0001225208-21-002557","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520821002557/doc4.xml","form_type":"4"}},{"id":2861535,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2021-02-16T22:54:22.000Z","date":"2021-02-11","kind":"grant","acquired":true,"shares":15415,"price":27.35,"value":421600.25,"ownership":{"direct":true},"balance_after":28557.527,"source":{"system":"sec-edgar","filing":"0001225208-21-002557","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520821002557/doc4.xml","form_type":"4"}},{"id":3269313,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2020-02-18T20:48:45.000Z","date":"2020-02-13","kind":"tax_withholding","acquired":false,"shares":207,"price":31.63,"value":6547.41,"ownership":{"direct":true},"balance_after":13142.527,"source":{"system":"sec-edgar","filing":"0001225208-20-002595","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520820002595/doc4.xml","form_type":"4"}},{"id":3269312,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO - WBI Holdings"}}],"security":"Common Stock","published_at":"2020-02-18T20:48:45.000Z","date":"2020-02-13","kind":"grant","acquired":true,"shares":658,"price":31.63,"value":20812.54,"ownership":{"direct":true},"balance_after":13349.527,"source":{"system":"sec-edgar","filing":"0001225208-20-002595","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000122520820002595/doc4.xml","form_type":"4"}},{"id":3652569,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO-WBI Holdings"}}],"security":"Common Stock","published_at":"2019-02-19T20:27:07.000Z","date":"2019-02-14","kind":"tax_withholding","acquired":false,"shares":1847,"price":26.25,"value":48483.75,"ownership":{"direct":true},"balance_after":12691.527,"source":{"system":"sec-edgar","filing":"0001127602-19-006720","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000112760219006720/form4.xml","form_type":"4"}},{"id":3652568,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO-WBI Holdings"}}],"security":"Common Stock","published_at":"2019-02-19T20:27:07.000Z","date":"2019-02-14","kind":"grant","acquired":true,"shares":6392,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":14538.527,"source":{"system":"sec-edgar","filing":"0001127602-19-006720","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000112760219006720/form4.xml","form_type":"4"}},{"id":4050642,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO-WBI Holdings"}}],"security":"Common Stock","published_at":"2018-02-20T21:33:11.000Z","date":"2018-02-16","kind":"tax_withholding","acquired":false,"shares":1495,"price":27.48,"value":41082.6,"ownership":{"direct":true},"balance_after":8146.527,"source":{"system":"sec-edgar","filing":"0001127602-18-007232","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/67716/000112760218007232/form4.xml","form_type":"4"}},{"id":4050641,"issuer":{"id":4030,"kind":"organization","name":"MDU RESOURCES GROUP INC"},"owners":[{"id":62498,"kind":"person","name":"Hastings Trevor J","position":1,"cik":"0001719997","reported_name":"Hastings Trevor J","relationship":{"officer":true,"officer_title":"President & CEO-WBI Holdings"}}],"security":"Common Stock","published_at":"2018-02-20T21:33:11.000Z","date":"2018-02-16","kind":"grant","acquired":true,"shares":5071,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":9641.527,"source":{"system":"sec-edgar","filing":"0001127602-18-007232","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/67716/000112760218007232/form4.xml","form_type":"4"}}]}