{"transactions":[{"id":1146330,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-17T01:52:12.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":3382,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":37113,"source":{"system":"sec-edgar","filing":"0000887343-25-000190","document":"wk-form4_1747446726.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734325000190/wk-form4_1747446726.xml","form_type":"4"}},{"id":1518247,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-14T21:55:52.000Z","date":"2024-05-10","kind":"grant","planned":false,"acquired":true,"shares":4183,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":33731,"source":{"system":"sec-edgar","filing":"0000887343-24-000215","document":"wk-form4_1715723741.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000215/wk-form4_1715723741.xml","form_type":"4"}},{"id":1667042,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2024-01-31T02:51:02.000Z","date":"2024-01-30","kind":"purchase","planned":false,"acquired":true,"shares":400,"price":21.085,"value":8434.0,"ownership":{"direct":true},"balance_after":1225,"source":{"system":"sec-edgar","filing":"0000887343-24-000034","document":"wk-form4_1706669453.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000034/wk-form4_1706669453.xml","form_type":"4"}},{"id":1667041,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-01-31T02:51:02.000Z","date":"2024-01-30","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":21.0893,"value":21089.3,"ownership":{"direct":true},"balance_after":28316,"source":{"system":"sec-edgar","filing":"0000887343-24-000034","document":"wk-form4_1706669453.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000034/wk-form4_1706669453.xml","form_type":"4"}},{"id":1667040,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-01-31T02:51:02.000Z","date":"2024-01-30","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":21.085,"value":21085.0,"ownership":{"direct":true},"balance_after":27316,"source":{"system":"sec-edgar","filing":"0000887343-24-000034","document":"wk-form4_1706669453.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000034/wk-form4_1706669453.xml","form_type":"4"}},{"id":1885829,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-19T23:03:20.000Z","date":"2023-05-18","kind":"grant","planned":false,"acquired":true,"shares":4028,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":26316,"source":{"system":"sec-edgar","filing":"0000887343-23-000250","document":"wf-form4_168453738398014.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734323000250/wf-form4_168453738398014.xml","form_type":"4"}},{"id":1976385,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-03-03T23:20:42.000Z","date":"2023-03-02","kind":"grant","acquired":true,"shares":648,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":22288,"source":{"system":"sec-edgar","filing":"0000887343-23-000129","document":"wf-form4_167788562199171.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734323000129/wf-form4_167788562199171.xml","form_type":"4"}},{"id":1997175,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2023-02-23T17:49:11.000Z","date":"2023-02-21","kind":"grant","acquired":true,"shares":1738,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21640,"source":{"system":"sec-edgar","filing":"0000887343-23-000048","document":"wf-form4_167717453738423.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734323000048/wf-form4_167717453738423.xml","form_type":"4"}},{"id":2692151,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2021-05-28T21:25:26.000Z","date":"2021-05-26","kind":"grant","acquired":true,"shares":1669,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":19902,"source":{"system":"sec-edgar","filing":"0000887343-21-000134","document":"wf-form4_162223710085654.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734321000134/wf-form4_162223710085654.xml","form_type":"4"}},{"id":3132785,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2020-05-28T23:56:05.000Z","date":"2020-05-27","kind":"grant","acquired":true,"shares":2640,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":18233,"source":{"system":"sec-edgar","filing":"0000887343-20-000176","document":"wf-form4_159071014711237.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734320000176/wf-form4_159071014711237.xml","form_type":"4"}},{"id":3455594,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2019-07-26T18:09:50.000Z","date":"2019-07-24","kind":"grant","acquired":true,"shares":1902,"price":36.8,"value":69993.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted Stock Award"}],"balance_after":15593,"source":{"system":"sec-edgar","filing":"0000887343-19-000130","document":"wf-form4_156416457459811.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734319000130/wf-form4_156416457459811.xml","form_type":"4"}},{"id":3879494,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2018-07-02T21:02:53.000Z","date":"2018-06-28","kind":"grant","acquired":true,"shares":1691,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted Stock Award"}],"balance_after":13691,"source":{"system":"sec-edgar","filing":"0000887343-18-000118","document":"wf-form4_153056535104775.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734318000118/wf-form4_153056535104775.xml","form_type":"4"}},{"id":4269650,"issuer":{"id":707,"kind":"organization","name":"COLUMBIA BANKING SYSTEM, INC.","symbol":"COLB"},"owners":[{"id":79718,"kind":"person","name":"Numata S Mae Fujita","position":1,"cik":"0001379715","reported_name":"Numata S Mae Fujita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common","published_at":"2017-06-30T20:58:23.000Z","date":"2017-06-28","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":12000,"source":{"system":"sec-edgar","filing":"0000887343-17-000121","document":"wf-form4_149885628951387.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/887343/000088734317000121/wf-form4_149885628951387.xml","form_type":"4"}}]}