{"transactions":[{"id":865549,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-03-03T23:55:17.000Z","date":"2026-03-01","kind":"grant","planned":false,"acquired":true,"shares":4207,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 1, 2026, the reporting person was granted 4,207 Restricted Stock Units (\"RSUs\"), which vest in three equal annual installments beginning March 1, 2027.  Each RSU represents a contingent right to receive one share of the Issuer's Class A common stock and do not require the holder to pay any consideration on vesting."}],"balance_after":22316,"source":{"system":"sec-edgar","filing":"0002103004-26-000006","document":"wk-form4_1772582115.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000006/wk-form4_1772582115.xml","form_type":"4"}},{"id":895963,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Incentive Units - Not Deferred (2024)","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"exercise","planned":false,"acquired":false,"shares":2915,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The incentive units vest in two equal annual installments beginning February 15, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The incentive units vest in two equal annual installments beginning February 15, 2027."}],"balance_after":5830,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2915},"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895962,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Incentive Units - Not Deferred (2023)","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"exercise","planned":false,"acquired":false,"shares":1961,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The remaining incentive units vest on February 15, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The remaining incentive units vest on February 15, 2027."}],"balance_after":1961,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1961},"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895961,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Incentive Units - Not Deferred (2022)","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"exercise","planned":false,"acquired":false,"shares":3398,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares have vested as of February 15, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"All shares have vested as of February 15, 2026."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3398},"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895960,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":1201,"price":15.37,"value":18459.37,"ownership":{"direct":true},"balance_after":18109,"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895959,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"exercise","planned":false,"acquired":true,"shares":2915,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each incentive unit represents a contingent right to receive one share of Issuer Class A common stock.  Incentive units do not require the holder to pay any consideration upon vesting."}],"balance_after":19310,"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895958,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":808,"price":15.37,"value":12418.96,"ownership":{"direct":true},"balance_after":16395,"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895957,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"exercise","planned":false,"acquired":true,"shares":1961,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each incentive unit represents a contingent right to receive one share of Issuer Class A common stock.  Incentive units do not require the holder to pay any consideration upon vesting."}],"balance_after":17203,"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895956,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":1400,"price":15.37,"value":21518.0,"ownership":{"direct":true},"balance_after":15242,"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":895955,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-19T02:10:20.000Z","date":"2026-02-15","kind":"exercise","planned":false,"acquired":true,"shares":3398,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each incentive unit represents a contingent right to receive one share of Issuer Class A common stock.  Incentive units do not require the holder to pay any consideration upon vesting."}],"balance_after":16642,"source":{"system":"sec-edgar","filing":"0002103004-26-000004","document":"wk-form4_1771467017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000004/wk-form4_1771467017.xml","form_type":"4"}},{"id":950340,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Incentive Units - Not Deferred (2024)","published_at":"2026-01-06T00:41:27.000Z","date":"2025-09-02","kind":"grant","planned":false,"acquired":true,"shares":8745,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As consideration in the merger of HomeStreet Bank, a wholly owned subsidiary of Issuer, with and into Mechanics Bank (\"MB\"), pursuant to the which  MB continued as the surviving corporation and as a wholly owned subsidiary of Issuer (the \"Merger\"), (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The incentive units vest in three equal annual installments beginning February 15, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The incentive units vest in three equal annual installments beginning February 15, 2026."}],"balance_after":8745,"derivative":{"underlying":"Class A Common Stock","underlying_shares":8745},"source":{"system":"sec-edgar","filing":"0002103004-26-000002","document":"wk-form4_1767660083.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000002/wk-form4_1767660083.xml","form_type":"4"}},{"id":950339,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Incentive Units - Not Deferred (2023)","published_at":"2026-01-06T00:41:27.000Z","date":"2025-09-02","kind":"grant","planned":false,"acquired":true,"shares":3922,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As consideration in the merger of HomeStreet Bank, a wholly owned subsidiary of Issuer, with and into Mechanics Bank (\"MB\"), pursuant to the which  MB continued as the surviving corporation and as a wholly owned subsidiary of Issuer (the \"Merger\"), (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The incentive units vest in two equal annual installments beginning February 15, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The incentive units vest in two equal annual installments beginning February 15, 2026."}],"balance_after":3922,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3922},"source":{"system":"sec-edgar","filing":"0002103004-26-000002","document":"wk-form4_1767660083.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000002/wk-form4_1767660083.xml","form_type":"4"}},{"id":950338,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Incentive Units - Not Deferred (2022)","published_at":"2026-01-06T00:41:27.000Z","date":"2025-09-02","kind":"grant","planned":false,"acquired":true,"shares":3398,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As consideration in the merger of HomeStreet Bank, a wholly owned subsidiary of Issuer, with and into Mechanics Bank (\"MB\"), pursuant to the which  MB continued as the surviving corporation and as a wholly owned subsidiary of Issuer (the \"Merger\"), (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The incentive units vest on February 15, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The incentive units vest on February 15, 2026."}],"balance_after":3398,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3398},"source":{"system":"sec-edgar","filing":"0002103004-26-000002","document":"wk-form4_1767660083.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000002/wk-form4_1767660083.xml","form_type":"4"}},{"id":950337,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-01-06T00:41:27.000Z","date":"2025-12-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":1301,"price":14.63,"value":19033.63,"ownership":{"direct":true},"balance_after":13244,"source":{"system":"sec-edgar","filing":"0002103004-26-000002","document":"wk-form4_1767660083.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000002/wk-form4_1767660083.xml","form_type":"4"}},{"id":950336,"issuer":{"id":4145,"kind":"organization","name":"Mechanics Bancorp"},"owners":[{"id":63169,"kind":"person","name":"Shields Kristie S","position":1,"cik":"0002103004","reported_name":"Shields Kristie S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Compliance Counsel"}}],"security":"Class A Common Stock","published_at":"2026-01-06T00:41:27.000Z","date":"2025-09-26","kind":"grant","planned":false,"acquired":true,"shares":14545,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":14545,"source":{"system":"sec-edgar","filing":"0002103004-26-000002","document":"wk-form4_1767660083.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1518715/000210300426000002/wk-form4_1767660083.xml","form_type":"4"}}]}