united states Securities and Exchange Commission Washington, D. C. 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.01 per share CDZI The NASDAQ Global Market FORM 10-K ☑ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2019 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from …… to ……. Commission Fi ...