13G Filing: Perceptive Advisors and Avadel Pharmaceuticals PLC (AVDL)

NAMES OF
REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Perceptive Advisors LLC

CHECK THE APPROPRIATE BOX IF A MEMBER
OF A GROUP (SEE INSTRUCTIONS)

(a)  ☐        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF
ORGANIZATION

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

SOLE VOTING POWER

0

SHARED VOTING POWER

2,241,841

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

2,241,841

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,241,841

CHECK BOX IF THE AGGREGATE AMOUNT IN
ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)  ☐

PERCENT OF CLASS REPRESENTED BY AMOUNT
IN ROW 9

5.4%

TYPE OF REPORTING PERSON (SEE
INSTRUCTIONS)

IA