X0609 4 2026-04-30 0001174850 NICOLET BANKSHARES INC NIC 0001243706 DANIELS MICHAEL E false C/O NICOLET NATIONAL BANK 111 NORTH WASHINGTON STREET GREEN BAY WI 54301 1 1 Chairman, President & CEO 0 Common Stock 2026-04-30 4 G 0 53714 0 D 73127 D Common Stock 2026-04-30 4 G 0 53714 0 A 53714 I By Daniels Revocable Trust Common Stock 6252 I By 401(k) Plan Common Stock 9803 I By Spouse Includes an additional 42 shares acquired under the Employee Stock Purchase Plan since Mr. Daniels last Form 4 filing dated February 17, 2026. Mr. Daniels owns a total of 1,103 shares in the Employee Stock Purchase Plan as of the date of this report. On April 30, 2026, Mr. Daniels transferred 53,714 shares of Nicolet Bankshares, Inc. common stock to the Daniels Revocable Trust for no consideration. Mr. Daniels is trustee of the trust, and Mr. Daniels and his spouse are the sole beneficiaries of the trust. Mr. Daniels remains the beneficial owner of the securities held by the trust. /s/ H. Phillip Moore, Jr., as attorney-in-fact for Michael E. Daniels 2026-05-04