REGENXBIO(RGNX) - 2022 Q4 - Annual Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or (I.R.S. Employer Identification Number) 9804 Medical Center Drive Rockville, MD 20850 (240) 552-8181 (Address of principal executive offices and Zip Code, and telephone number, including area code) ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES ...