---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-068298"
form_type: "8-K"
ticker: "AMRN"
cik: "0000897448"
company_name: "AMARIN CORP PLCUK"
filed_at: "2024-06-04T23:59:59+00:00"
generated_at: "2026-06-01T06:41:00.384552+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Amarin CEO resigns; large PBM to drop Vascepa coverage July 1, affecting 25% of US volume

## Summary
- CEO Pat Holt resigned; Aaron Berg appointed as President & CEO effective June 4, 2024.
- Holt will provide consulting services through July 3, 2024 in exchange for his base salary.
- A large national PBM will exclude Vascepa from commercial national formularies effective July 1, 2024.
- Affected formularies represent ~25% of aggregate US Vascepa prescription volume; Medicare Part D unaffected.

## SEC filing metadata
- accession: 0000950170-24-068298
- form_type: 8-K
- ticker: AMRN
- cik: 0000897448
- company_name: AMARIN CORP PLCUK
- filed_at: 2024-06-04T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/897448/000095017024068298/0000950170-24-068298-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/897448/000095017024068298/amrn-20240603.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-068298
- JSON: https://secwatch.observer/filing/0000950170-24-068298.json
- Plain text: https://secwatch.observer/filing/0000950170-24-068298.txt

## Key facts
- Executive change
  Aaron Berg was appointed as President and Chief Executive Officer at AMARIN CORP PLCUK.
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: Aaron Berg, who has been serving as the Company’s Executive Vice President, President U.S., has replaced Mr. Holt as President and Chief Executive Officer, effective June 4, 2024 (the “CEO Start Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000095017024068298/0000950170-24-068298-index.htm
- Executive change
  Aaron Berg was appointed as Member of the Board of Directors at AMARIN CORP PLCUK.
  - Action: appointed
  - Role: Member of the Board of Directors
  source text: Mr. Berg has been appointed as a member of the Company’s board of directors (the “Board”), effective as of the CEO Start Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000095017024068298/0000950170-24-068298-index.htm
- Executive change
  Patrick Holt resigned as President and Chief Executive Officer at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: President and Chief Executive Officer
  source text: On June 3, 2024, Patrick Holt notified Amarin Corporation plc (the “Company”) of his decision to voluntarily resign as President and Chief Executive Officer of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000095017024068298/0000950170-24-068298-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.