UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number: 000-28508 AVADEL PHARMACEUTICALS PLC (Exact name of registrant as specified in its charter) Ireland 98-1341933 State or other jurisdiction of incorporation or organization (I.R.S. Employer Identification No.) Block 10-1, Blanchardstown Corporate Park Ballycoolin Dublin 15, I ...

Avadel Pharmaceuticals (NASDAQ:AVDL) Q4 2018 Earnings Conference Call March 15, 2019 8:30 AM ET Company Participants Greg Divis - CEO Mike Kanan - CFO Geoff Glass - Chairman Conference Call Participants Matt Kaplan - Ladenburg Thalmann Francois Brisebois - Laidlaw Operator Good morning, ladies and gentlemen, thank you for standing by. And welcome to the Avadel Pharmaceuticals’ Fourth Quarter and Full-Year 2018 Financial Results Conference Call. At this time, all participants are in a listen-only mode. Later ...