{"transactions":[{"id":875483,"issuer":{"id":40,"kind":"organization","name":"ALERUS FINANCIAL CORP","symbol":"ALRS"},"owners":[{"id":64083,"kind":"person","name":"Lorenson Katie A","position":1,"cik":"0001681474","reported_name":"Lorenson Katie A","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Restricted Stock Units","published_at":"2026-03-02T21:09:37.000Z","date":"2026-02-26","kind":"grant","planned":false,"acquired":true,"shares":19022,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"shares","element":"transactionShares","label":"F6","text":"Includes 7,609 restricted stock units that have time-based vesting components. Includes 11,413 restricted stock units that have performance-based vesting components."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The time-based restricted stock units vest on February 26, 2029. The performance-based restricted stock units vest upon Alerus Financial Corporation Compensation Committee certification of certain relative cumulative EPS and ROE performance period goals, provided that such certification date occurs no later than March 15, 2029. The payout for performance-based restricted stock units could be increased to 150% of target or reduced to 0% based on achievement of the applicable metrics."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The time-based restricted stock units vest on February 26, 2029. The performance-based restricted stock units vest upon Alerus Financial Corporation Compensation Committee certification of certain relative cumulative EPS and ROE performance period goals, provided that such certification date occurs no later than March 15, 2029. 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The payout could be increased to 150% of target or reduced to 0% based on achievement of the applicable metric. The Alerus Financial Corporation Compensation Committee certified the payout at 112% and the performance-based restricted stock units vested on February 26, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 21, 2023, the reporting person was granted 8,359 performance-based restricted stock units, vesting upon Alerus Financial Corporation Compensation Committee certification of established total net income goals. The payout could be increased to 150% of target or reduced to 0% based on achievement of the applicable metric. The Alerus Financial Corporation Compensation Committee certified the payout at 112% and the performance-based restricted stock units vested on February 26, 2026."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"On February 21, 2023, the reporting person was granted 8,359 performance-based restricted stock units, vesting upon Alerus Financial Corporation Compensation Committee certification of established total net income goals. The payout could be increased to 150% of target or reduced to 0% based on achievement of the applicable metric. 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The Alerus Financial Corporation Compensation Committee certified the payout at 112% and the performance-based restricted stock units vested on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,263 shares of restricted stock and 11,626 shares held jointly with Ms. Lorenson's spouse."}],"balance_after":61397,"source":{"system":"sec-edgar","filing":"0001437749-26-006380","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/903419/000143774926006380/rdgdoc.xml","form_type":"4"}},{"id":875463,"issuer":{"id":40,"kind":"organization","name":"ALERUS FINANCIAL CORP","symbol":"ALRS"},"owners":[{"id":64083,"kind":"person","name":"Lorenson Katie A","position":1,"cik":"0001681474","reported_name":"Lorenson Katie A","relationship":{"director":true,"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-03-02T20:35:10.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1903,"price":25.45,"value":48431.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld upon vesting of restricted stock units for payment of tax liability."},{"field":"shares","element":"transactionShares","label":"F2","text":"The Form 4, as originally filed, incorrectly reported 2,025 shares withheld upon the vesting of restricted stock for the payment of tax liabilities. The total number of shares actually withheld was 1,903."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Form 4, as originally filed, incorrectly reported 2,025 shares withheld upon the vesting of restricted stock for the payment of tax liabilities. The total number of shares actually withheld was 1,903."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,263 shares of restricted stock and 11,626 shares held jointly with Ms. Lorenson's spouse."}],"balance_after":52034,"source":{"system":"sec-edgar","filing":"0001437749-26-006359","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/903419/000143774926006359/rdgdoc.xml","form_type":"4/A","original_submission_date":"2026-02-24"}},{"id":886321,"issuer":{"id":40,"kind":"organization","name":"ALERUS FINANCIAL CORP","symbol":"ALRS"},"owners":[{"id":64083,"kind":"person","name":"Lorenson Katie A","position":1,"cik":"0001681474","reported_name":"Lorenson Katie A","relationship":{"director":true,"officer":true,"officer_title":"President & CEO"}}],"security":"Restricted Stock 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The payout for performance-based restricted stock units could be increased to 150% of target or reduced to 0% based on achievement of the applicable metrics."}],"balance_after":16484,"derivative":{"underlying":"Common Stock","underlying_shares":16484},"source":{"system":"sec-edgar","filing":"0001104659-24-029367","document":"tm245214-21_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/903419/000110465924029367/tm245214-21_4seq1.xml","form_type":"4"}},{"id":1610982,"issuer":{"id":40,"kind":"organization","name":"ALERUS FINANCIAL CORP","symbol":"ALRS"},"owners":[{"id":64083,"kind":"person","name":"Lorenson Katie A","position":1,"cik":"0001681474","reported_name":"Lorenson Katie A","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2024-02-29T21:10:59.000Z","date":"2024-02-27","kind":"exercise","planned":false,"acquired":false,"shares":3234,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 17, 2021, Ms. Lorenson was granted 2,156 performance-based restricted stock units, vesting no later than March 15, 2024, so long as Alerus Financial Corporation meets certain cumulative net income goals.The payout could be increased to 150% and the performance-based restricted stock units vested of target or reduced to 0% based on achievement of the applicable metrics. The Alerus Financial Corporation Compensation Committee certified the payout at 150% on February 27, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On February 17, 2021, Ms. Lorenson was granted 2,156 performance-based restricted stock units, vesting no later than March 15, 2024, so long as Alerus Financial Corporation meets certain cumulative net income goals.The payout could be increased to 150% and the performance-based restricted stock units vested of target or reduced to 0% based on achievement of the applicable metrics. The Alerus Financial Corporation Compensation Committee certified the payout at 150% on February 27, 2024."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"On February 17, 2021, Ms. Lorenson was granted 2,156 performance-based restricted stock units, vesting no later than March 15, 2024, so long as Alerus Financial Corporation meets certain cumulative net income goals.The payout could be increased to 150% and the performance-based restricted stock units vested of target or reduced to 0% based on achievement of the applicable metrics. 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