X0508 4 2026-01-15 0 0001412665 MidWestOne Financial Group, Inc. MOFG 0002061385 Moore Susan M 102 S CLINTON STREET, P.O. BOX 1700 IOWA CITY IA 52244-1700 0 1 0 0 SVP, Chief Risk Officer 0 Common Stock 2026-01-15 4 A 0 1125 0 A 11349.499 D Common Stock 1345.938 I By 401(k) Represents restricted stock units acquired pursuant to a grant of time-based restricted stock units which vest on January 15, 2027, or on the legal close date of the merger announced October 23, 2025, of MidWestOne Financial Group, Inc. with and into Nicolet Bankshares, Inc., with Nicolet Bankshares, Inc. as the surviving corporation, whichever comes first. Includes 9.808 Dividend Equivalents credited to unvested time-based RSUs in lieu of a cash dividend payment since the reporting person's last required Form filing. Each whole Dividend Equivalent is the economic equivalent of one share of MidWestOne Financial Group, Inc. common stock. Shares held in the reporting person's account from within the MidWestOne Financial Group, Inc. 401(k) Plan, as of December 31, 2025. Reported shares have increased by 29.394 shares since the date of the reporting person's previous Form filing due to an allocation to her account. The MidWestOne Financial Group, Inc. Employee Stock Ownership Plan (formerly the "ESOP") was merged into the MidWestOne Financial Group, Inc. 401(k) Plan (the "401(k)") on May 7, 2025. Shares from the reporting person's ESOP account were merged into the reporting person's account in the 401(k). Kenneth R. Urmie, Deputy Corporate Secretary, for Susan M. Moore under Power of Attorney dated March 3, 2025 2026-01-20