Joseph S. Zakrzewski is Director at AMARIN CORP PLC\UK (AMRN). They have made 40 open-market trades across 7 companies since 2008, most recently 2026-08-14.
CIK 0001331852
20 open-market purchases totalling $894K since 2008, against 20 sales. Across 15 scored buys the stock is up 2.4% at ninety days, and 1.1 points behind the S&P over the same stretch.
15 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 40% | 47% | 47% |
| Avg Move | -2.9% | -3.8% | +2.4% |
| Alpha | -2.9% | -4.0% | -1.1% |
| Scored | 15 | 15 | 15 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ANTX | BUY | 2024-11-27 | 2024-11-27 | $1.40 | $3K | +2.0% | -2.7% | -25.0% |
| ANTX | BUY | 2024-11-18 | 2024-11-20 | $1.00 | $25K | +15.4% | -3.1% | -12.3% |
| ANTX | SELL | 2024-01-18 | 2024-01-19 | $19.11 | $1.9M | +3.6% | -80.1% | -87.2% |
| CYT | BUY | 2022-12-07 | 2022-12-08 | $1.30 | $28K | -14.5% | +10.9% | +26.1% |
| CYT | BUY | 2022-05-12 | 2022-05-16 | $1.61 | $1K | -2.6% | +2.6% | +30.1% |
| CYT | BUY | 2022-05-10 | 2022-05-12 | $1.89 | $188K | +3.9% | +23.3% | +37.2% |
| CYT | BUY | 2021-12-23 | 2021-12-28 | $9.91 | $11K | -17.7% | -43.9% | -60.0% |
| CYT | BUY | 2021-12-17 | 2021-12-21 | $9.88 | $2K | -2.1% | -45.7% | -59.5% |
| CYT | BUY | 2021-12-15 | 2021-12-15 | $10.77 | $40K | -8.0% | -42.8% | -66.5% |
| AMRN | BUY | 2021-12-14 | 2021-12-16 | $3.25 | $39K | -0.6% | +0.9% | -9.3% |
| XLRN | SELL | 2021-04-05 | 2021-04-05 | $140.64 | $2.7M | -10.5% | -12.4% | -8.3% |
| XLRN | SELL | 2021-04-01 | 2021-04-02 | $134.60 | $2.4M | -12.1% | -10.4% | -7.4% |
| SGMO | BUY | 2020-03-17 | 2020-03-19 | $4.99 | $25K | +2.7% | +29.7% | +75.0% |
| SGMO | BUY | 2020-03-12 | 2020-03-13 | $6.15 | $123K | +3.6% | +18.4% | +86.6% |
| AMRN | SELL | 2020-01-03 | 2020-01-03 | $20.94 | $6.3M | -5.5% | -10.4% | -74.6% |
| AMRN | SELL | 2019-12-16 | 2019-12-18 | $25.83 | $2.6M | +6.4% | -1.2% | -47.4% |
| AMRN | SELL | 2019-07-05 | 2019-07-05 | $23.82 | $2.4M | -8.6% | -27.1% | -39.0% |
| AMRN | SELL | 2019-06-18 | 2019-06-20 | $19.02 | $1.9M | +16.0% | -6.3% | -12.2% |
| XLRN | BUY | 2019-06-14 | 2019-06-17 | $38.05 | $190K | +4.5% | +6.6% | +14.1% |
| AMRN | SELL | 2019-02-22 | 2019-02-22 | $19.90 | $3.6M | +11.3% | -9.4% | -10.6% |
| AMRN | SELL | 2019-02-22 | 2019-02-22 | $19.90 | $3.6M | +11.3% | -9.4% | -10.6% |
| AMRN | SELL | 2019-01-10 | 2019-01-11 | $16.98 | $3.4M | +2.7% | -2.1% | +8.8% |
| AMRN | SELL | 2019-01-10 | 2019-01-11 | $16.98 | $3.4M | +2.7% | -2.1% | +8.8% |
| AMRN | SELL | 2019-01-02 | 2019-01-02 | $13.03 | $5.0M | +31.9% | +30.0% | +56.6% |
| AMRN | SELL | 2018-12-28 | 2019-01-02 | $13.19 | $1.9M | +31.9% | +30.0% | +56.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| LPDX |
| 16,417 |
| — |
| Total | $14.5M |
Shares reported on the most recent Form 4, priced at the 2025-04-11 close. 2 holdings could not be priced and are excluded from the total.