X0508 4 2025-11-20 0001174850 NICOLET BANKSHARES INC NIC 0001664629 Hutjens Brad Vincent C/O NICOLET NATIONAL BANK 111 NORTH WASHINGTON STREET GREEN BAY WI 54301 1 EVP - CCO - Nicolet Natl Bank 0 Common Stock 2025-11-20 4 F 0 67 120.20 D 29415 D Common Stock 1818 I By 401(k) Plan Shares withheld to satisfy tax obligation of vested restricted stock. Includes shares acquired under the Employee Stock Purchase Plan. Mr. Hutjens has not acquired additional shares under the Employee Stock Purchase Plan since his last Form 4 filing on November 20, 2025. Mr. Hutjens owns a total of 826 shares in the Employee Stock Purchase Plan as of the date of this report. /s/ H. Phillip Moore, Jr., as attorney-in-fact for Brad V. Hutjens 2025-11-24