← United States · Coverage record
US · SEC FORM 4
AMARIN CORP PLC\UK
AMRN · Nasdaq · CIK 0000897448 · Healthcare · Drug Manufacturers—General
INSIDER SIGNAL
0 qualifying P purchase groups
in the current 180-day scoring window
12 Form 4 transaction lines observed in the same window
0 sales · 12 option, withholding, award, gift or other lines
WHY NO ACTIVE SIGNAL?
Score anatomy
No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.
Why is there no score?
- No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
- Sales and other Form 4 activity remain visible as context and do not create a negative score.
Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.
Insider activity timeline
Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.
—
Purchase breadth, concentration & cluster buying
These modules activate when qualifying purchases enter the 180-day research window.
SIGNAL HISTORY
Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2024-08-02 · Berg Aaron.
Recent Form 4 activity
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
Market context
Market context provides additional background on recent price performance and risk. It does not affect the Insider Signal.
Price performance
- 1M
- -9.9%
- 3M
- -21.5%
- 6M
- -16.2%
- 12M
- —
Volatility & liquidity
- Volatility
- 42.4%
- Beta
- 0.76
- Avg daily value
- USD 822,683
Valuation
- Market cap
- USD 259.0M
- P/E
- —
Fundamentals
- Profit margin
- -18.2%
- ROE
- -8.4%
- Industry
- Drug Manufacturers—General
Market data
Price data up to: 2026-10-03 · Price source: OpenBB/yfinance · From SEC filings: Profit margin, ROE · Fiscal year ended: 2025-12-31 · From Yahoo Finance: Market cap · Status: PASS
Short interest
Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.
- Shares short
- 528,373
- Previous report
- 525,845
- Avg daily volume
- 50,129
- Days to cover
- 10.5
FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.
Historical equity purchases
Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.
| Transaction date | Reporting owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2024-08-02 | Berg Aaron | Purchase (P) | Ordinary Shares | 160,000 | USD 0.64 | USD 102,400 | SEC filing ↗ |
| 2024-01-22 | Holt Patrick | Purchase (P) | Ordinary Shares | 14,426 | USD 1.09 | USD 15,724 | SEC filing ↗ |
| 2023-08-16 | Holt Patrick | Purchase (P) | Ordinary Shares | 300,000 | USD 1.04 | USD 312,546 | SEC filing ↗ |
| 2022-06-13 | WOLD OLSEN PER | Purchase (P) | Ordinary Shares | 55,000 | USD 1.69 | USD 92,950 | SEC filing ↗ |
| 2021-12-15 | Zakrzewski Joseph S | Purchase (P) | Ordinary Shares | 2,000 | USD 3.16 | USD 6,320 | SEC filing ↗ |
| 2021-12-14 | Zakrzewski Joseph S | Purchase (P) | Ordinary Shares | 10,000 | USD 3.27 | USD 32,700 | SEC filing ↗ |
| 2021-06-04 | STACK DAVID M | Purchase (P) | Ordinary Shares | 10,000 | USD 4.54 | USD 45,400 | SEC filing ↗ |
| 2021-06-03 | STACK DAVID M | Purchase (P) | Ordinary Shares | 5,000 | USD 4.62 | USD 23,100 | SEC filing ↗ |
| 2020-11-30 | STACK DAVID M | Purchase (P) | Ordinary Shares | 25,000 | USD 4.86 | USD 121,500 | SEC filing ↗ |
Form 4 evidence
52 transaction lines in the latest 365-day window; 513 in local history.
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-08-01 | Fishman Peter L. | Option exercise / conversion (M) | American Depositary Share | 313 | USD — | USD — | SEC filing ↗ |
| 2026-08-01 | Fishman Peter L. | Tax withholding (F) | American Depositary Share | 155 | USD 14.26 | USD 2,210 | SEC filing ↗ |
| 2026-07-01 | Provoost Jonathan | Option exercise / conversion (M) | American Depositary Shares | 3,688 | USD — | USD — | SEC filing ↗ |
Show recent Form 4 evidence (30 grouped rows)
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-08-01 | Fishman Peter L. | Option exercise / conversion (M) | American Depositary Share | 313 | USD — | USD — | SEC filing ↗ |
| 2026-08-01 | Fishman Peter L. | Tax withholding (F) | American Depositary Share | 155 | USD 14.26 | USD 2,210 | SEC filing ↗ |
| 2026-07-01 | Provoost Jonathan | Option exercise / conversion (M) | American Depositary Shares | 3,688 | USD — | USD — | SEC filing ↗ |
| 2026-07-01 | Provoost Jonathan | Tax withholding (F) | American Depositary Shares | 1,264 | USD 15.94 | USD 20,148 | SEC filing ↗ |
| 2026-07-01 | Ketchum Steven B | Option exercise / conversion (M) | American Depositary Shares | 3,688 | USD — | USD — | SEC filing ↗ |
| 2026-07-01 | Ketchum Steven B | Tax withholding (F) | American Depositary Shares | 1,887 | USD 15.94 | USD 30,079 | SEC filing ↗ |
| 2026-07-01 | Keenan David Paul | Option exercise / conversion (M) | American Depositary Shares | 3,688 | USD — | USD — | SEC filing ↗ |
| 2026-07-01 | Keenan David Paul | Tax withholding (F) | American Depositary Shares | 1,926 | USD 15.94 | USD 30,700 | SEC filing ↗ |
| 2026-07-01 | Fishman Peter L. | Option exercise / conversion (M) | American Depositary Shares | 2,447 | USD — | USD — | SEC filing ↗ |
| 2026-07-01 | Fishman Peter L. | Tax withholding (F) | American Depositary Shares | 1,206 | USD 15.94 | USD 19,224 | SEC filing ↗ |
| 2026-06-26 | Berg Aaron | Option exercise / conversion (M) | American Depositary Shares | 6,250 | USD — | USD — | SEC filing ↗ |
| 2026-06-26 | Berg Aaron | Tax withholding (F) | American Depositary Shares | 3,197 | USD 16.35 | USD 52,271 | SEC filing ↗ |
| 2026-04-18 | Bonfiglio Patrice Eadon | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | Bonfiglio Patrice Eadon | Tax withholding (F) | American Depositary Shares | 403 | USD 14.98 | USD 6,037 | SEC filing ↗ |
| 2026-04-18 | Sullivan Diane E. | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | Sullivan Diane E. | Tax withholding (F) | American Depositary Shares | 403 | USD 14.98 | USD 6,037 | SEC filing ↗ |
| 2026-04-18 | Sterling Louis III | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | Sterling Louis III | Tax withholding (F) | American Depositary Shares | 403 | USD 14.98 | USD 6,037 | SEC filing ↗ |
| 2026-04-18 | Odysseas Kostas D | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | Odysseas Kostas D | Tax withholding (F) | American Depositary Shares | 403 | USD 14.98 | USD 6,037 | SEC filing ↗ |
| 2026-04-18 | O'Connor Oliver | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | O'Connor Oliver | Tax withholding (F) | American Depositary Shares | 438 | USD 14.98 | USD 6,561 | SEC filing ↗ |
| 2026-04-18 | Horn Keith | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | Horn Keith | Tax withholding (F) | American Depositary Shares | 403 | USD 14.98 | USD 6,037 | SEC filing ↗ |
| 2026-04-18 | Cohen Paul | Option exercise / conversion (M) | American Depositary Shares | 838 | USD — | USD — | SEC filing ↗ |
| 2026-04-18 | Cohen Paul | Tax withholding (F) | American Depositary Shares | 403 | USD 14.98 | USD 6,037 | SEC filing ↗ |
| 2026-04-01 | Fishman Peter L. | Option exercise / conversion (M) | American Depositary Shares | 125 | USD — | USD — | SEC filing ↗ |
| 2026-04-01 | Fishman Peter L. | Tax withholding (F) | American Depositary Shares | 62 | USD 14.46 | USD 897 | SEC filing ↗ |
| 2026-01-31 | Ketchum Steven B | Option exercise / conversion (M) | American Depositary Shares | 4,179 | USD — | USD — | SEC filing ↗ |
| 2026-01-31 | Ketchum Steven B | Tax withholding (F) | American Depositary Shares | 2,297 | USD 15.42 | USD 35,420 | SEC filing ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
Snapshot & identity
| Snapshot date | 2026-10-18 |
|---|---|
| Ranking version | US-v1.2 |
| Data quality | PASS ELIGIBLE · — |
| Ticker | AMRN |
| CIK | 0000897448 |
| Sector | Healthcare |
| Industry | Drug Manufacturers—General Yahoo Finance |
| SEC SIC | 2834 Pharmaceutical Preparations |
| Exchange | Nasdaq |
Data coverage
| Local Form 4 history | 513 transaction lines from 2020-01-03 to 2026-08-01 15 P purchase lines · 10 S sale lines · 488 other lines |
|---|---|
| SEC company submissions | Open SEC filings ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.