Weiss Asset Management LP - 13 Feb 2026 Form 4 Insider Report for AVADEL PHARMACEUTICALS PLC (AVDL)

Reporting relationship: Former 10% Owner
Issuer ticker: AVDL
Reported as of: 13 Feb 2026
Net transaction value: -$233,353,092
SEC form: 4
Accepted by SEC: 18 Feb 2026, 17:18:42 UTC
Prior SEC filing: 18 Feb 2026
Source filing: View source filing
Reporting owner signature: Mary Merrigan, Authorized Signatory, Weiss Asset Management LP and WAM GP LLC

Key filing fact

Weiss Asset Management LP filed Form 4 for AVADEL PHARMACEUTICALS PLC (AVDL) on 18 Feb 2026.

Key facts

This page summarizes Weiss Asset Management LP's Form 4 filing for AVADEL PHARMACEUTICALS PLC (AVDL).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 Feb 2026, 17:18.

Change

Previous filing in this sequence was filed on 18 Feb 2026.
Current net transaction value: -$233,353,092.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (2)

CIK 0001357550 Primary reporting owner

Weiss Asset Management LP

Relationship: Former 10% Owner
Address: 222 BERKELEY STREET, 16TH FLOOR, BOSTON
Signature: Mary Merrigan, Authorized Signatory, Weiss Asset Management LP and WAM GP LLC
Signature date: 18 Feb 2026

CIK 0001357643

WEISS ANDREW M

Relationship: Former 10% Owner
Address: 222 BERKELEY STREET, 16TH FLOOR, BOSTON
Signature: Mary Merrigan, duly authorized under a power of attorney by Andrew M. Weiss
Signature date: 18 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AVDL transaction

Ordinary Shares

Sale

Transaction value: $233,353,092
Shares: -11,112,052
Change %: -100%
Price: $21.00
Shares after: 0
Date: 13 Feb 2026
Ownership: See Footnote 2
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Weiss Asset Management LP is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

Represents the cash portion of the consideration paid to shareholders upon the closing of the acquisition of the Issuer by Alkermes plc. In connection with such transaction, each outstanding share was automatically converted into the right to receive $21.00 per share in cash, plus a contingent value right to receive a payment of $1.50 in cash if a specified milestone is achieved.

Footnote F2

Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein.