Weiss Asset Management LP

Weiss Asset Management LP is listed in filings as otherFormer, 10% Owner at Avadel Pharmaceuticals plc. This profile follows SEC Form 4 activity through Feb 18, 2026, including sale activity. Recent filings connect the profile to Avadel Pharmaceuticals plc (AVDL). The current snapshot covers public activity from Feb 18, 2026. Reported amounts are shown as $233.4M. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.