SC Filed 2023-02-28 Event — SEC 0001140361-23-009092 →

Sarissa Capital Management LP → AMARIN CORP PLC\UK AMRN

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 16/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Passive Schedule 13G filer baseline
Elevated short days-to-cover (7.3 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

7 13D/G filings on this issuer

6 other filings besides this one

Filer Track Record

28 filings by this filer

27 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 7.28

532,662 shares short · +0.8% vs prior

Other 13D/G Filings on AMARIN CORP PLC\UK

Filed	Form	Filer	Stake	Shares
2026-08-27	SCHEDULE 13D/A	Sarissa Capital Management LP	6.09%	25,743,900	view →
2023-09-05	SC	Sarissa Capital Management LP	—	—	view →
2023-02-27	SC	Sarissa Capital Management LP	—	—	view →
2023-02-21	SC	Sarissa Capital Management LP	—	—	view →
2023-01-11	SC	Sarissa Capital Management LP	—	—	view →
2022-10-11	SC	Sarissa Capital Management LP	—	—	view →

Other Filings by Sarissa Capital Management LP

Filed	Form	Issuer	Stake	Shares
2026-08-27	SCHEDULE 13D/A	Amarin Corporation PLC/UK	6.09%	25,743,900	view →
2025-03-17	SCHEDULE	Innoviva, Inc. INVA	4.70%	2,966,022	view →
2025-03-07	SCHEDULE	Innoviva, Inc. INVA	8.40%	5,237,161	view →
2023-09-05	SC	AMARIN CORP PLC\UK AMRN	—	—	view →
2023-06-21	SC	Alkermes plc. ALKS	—	—	view →
2023-06-12	SC	Alkermes plc. ALKS	—	—	view →
2023-06-12	SC	Sarissa Capital Management LP	—	—	view →
2023-02-27	SC	AMARIN CORP PLC\UK AMRN	—	—	view →
2023-02-21	SC	AMARIN CORP PLC\UK AMRN	—	—	view →
2023-01-11	SC	AMARIN CORP PLC\UK AMRN	—	—	view →
2022-10-11	SC	AMARIN CORP PLC\UK AMRN	—	—	view →
2022-07-06	SC	Alkermes plc. ALKS	—	—	view →
2022-01-10	SC	Alkermes plc. ALKS	—	—	view →
2021-11-19	SC	Alkermes plc. ALKS	—	—	view →
2021-09-10	SC	Alkermes plc. ALKS	—	—	view →
2021-05-27	SC	Alkermes plc. ALKS	—	—	view →
2021-05-25	SC	Innoviva, Inc. INVA	—	—	view →
2021-03-01	SC	IRONWOOD PHARMACEUTICALS INC IRWD	—	—	view →
2021-02-12	SC	Iterum Therapeutics plc ITRMF	—	—	view →
2020-12-14	SC	Innoviva, Inc. INVA	—	—	view →

Showing 20 of 27

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →