---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-061610"
form_type: "8-K"
ticker: "AMRN"
cik: "0000897448"
company_name: "AMARIN CORP PLCUK"
filed_at: "2023-03-06T23:59:59+00:00"
generated_at: "2026-06-18T12:32:01.398323+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Amarin announces resignation of seven independent directors after Sarissa proxy win

## Summary
- Seven independent non-Sarissa board members resigned effective March 6, 2023.
- Resignations were to avoid further proxy contests and allow Sarissa immediate control.
- Departing directors include Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek, and Alfonso Zulueta.
- Resignations not due to any disagreement with company operations, policies, or practices.
- Sarissa slate won at 2023 Special Meeting of Shareholders, prompting board change.

## SEC filing metadata
- accession: 0001193125-23-061610
- form_type: 8-K
- ticker: AMRN
- cik: 0000897448
- company_name: AMARIN CORP PLCUK
- filed_at: 2023-03-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/d419685d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-061610
- JSON: https://secwatch.observer/filing/0001193125-23-061610.json
- Plain text: https://secwatch.observer/filing/0001193125-23-061610.txt

## Key facts
- Executive change
  Kristine Peterson resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- Executive change
  Dr. Murray Stewart resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- Executive change
  Geraldine Murphy resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- Executive change
  Adam Berger resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- Executive change
  Jan van Heek resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- Executive change
  Alfonso Zulueta resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm
- Executive change
  Erin Enright resigned as Director at AMARIN CORP PLCUK.
  - Action: resigned
  - Role: Director
  source text: On March 6, 2023, Amarin Corporation plc (the “Company”) announced that Adam Berger, Erin Enright, Geraldine Murphy, Kristine Peterson, Dr. Murray Stewart, Jan van Heek and Alfonso “Chito” Zulueta (the “Departing Directors”) notified the Company of their decision to resign as directors of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/897448/000119312523061610/0001193125-23-061610-index.htm

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