Karyopharm Therapeutics(KPTI) - 2019 Q4 - Annual Report

Table of Contents (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, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36167 Washington, D.C. 20549 FORM 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION (I.R.S. Employer Identification No.) 85 Wells Avenue, 2nd Floor, Newton, Massachusetts 02459 (Address of princ ...