UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Wisconsin 39-0875718 (State or other jurisdiction of incorporation) (IRS Employer Identification No.) 111 West Michigan Street, Milwaukee, Wisconsin 53203 (Address of principal executive offices) FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Comm ...