X0508 4/A 2026-02-23 2026-02-24 0000903419 ALERUS FINANCIAL CORP ALRS 0001681474 Lorenson Katie A 401 DEMERS AVENUE GRAND FORKS ND 58201 1 1 Chief Executive Officer 0 Common Stock 2026-02-23 4 F 0 1903 25.45 D 52034 D Shares withheld upon vesting of restricted stock units for payment of tax liability. 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. Includes 3,263 shares of restricted stock and 11,626 shares held jointly with Ms. Lorenson's spouse. /s/ Nicholas Brenckman, by power of attorney 2026-03-02