X0609 4 2026-04-15 0001174850 NICOLET BANKSHARES INC NIC 0001192634 BOHN WILLIAM M false C/O NICOLET NATIONAL BANK GREEN BAY WI 54301 1 EVP Wealth Mgmt - Nicolet Bank 0 Common Stock 2026-04-15 4 F 0 940 156.70 D 16585 D Shares withheld to satisfy tax obligation of vested restricted stock, April 15, 2026. Includes 42 shares acquired under the Employee Stock Purchase Plan since Mr. Bohn's last Form 4 filing dated February 17, 2026. Mr. Bohn owns a total of 158 shares in the Employee Stock Purchase Plan as of the date of this report. /s/ H. Phillip Moore, Jr., as attorney-in-fact for William M. Bohn 2026-04-17