UNITED STATES SECURITIES AND EXCHANGE COMMISSION Securities registered pursuant to section 12(b) of the Act: Title of each class Trading symbol(s) Name of each exchange on which registered Common Stock, par value $0.01 per share ARKR The NASDAQ Stock Market LLC Large accelerated filer ☐ Accelerated filer ☐ Non-accelerated filer ☒ Smaller Reporting Company ☒ Emerging Growth Company ☐ Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For ...