UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) Illinois 36-3873352 9700 W. Higgins Road, Suite 800 Rosemont, Illinois 60018 For the fiscal year ended December 31, 2022 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from ...