X0306 4 2022-02-04 0001174850 NICOLET BANKSHARES INC NCBS 0001667436 Witczak Eric James C/O NICOLET NATIONAL BANK 111 NORTH WASHINGTON STREET GREEN BAY WI 54301 1 Secretary Common Stock 2022-02-04 4 M 0 1500 16.50 A 24870 D Common Stock 2022-02-04 4 F 0 261 94.84 D 24609 D Stock Option (Right to Buy) 16.50 2022-02-04 4 M 0 1500 0 D 2022-04-10 Common Stock 1500 0 D Shares withheld to satisfy the exercise cost of the incentive stock option. Includes 35 additional shares acquired under the Employee Stock Purchase Plan since Mr. Witczak's last Form 4 filing on November 24, 2021. Mr. Witczak owns a total of 552 shares in the Employee Stock Purchase Plan as of the date of this report. The stock option has now been fully exercised as of the date of this report. /s/ H. Phillip Moore, Jr., as attorney-in-fact for Eric J. Witczak 2022-02-08