Jacob Ma-Weaver files SEC Form 4 disclosures for ARCA biopharma, Inc.. They have made 8 open-market trades across 2 companies since 2022, most recently 2023-10-11.
CIK 0001922140
8 open-market purchases totalling $2.2M since 2022, never a sale. Across 8 scored buys the stock is down 3.1% at ninety days, and 1.3 points behind the S&P over the same stretch.
8 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 25% | 25% | 50% |
| Avg Move | -3.0% | -2.7% | -3.1% |
| Alpha | -2.4% | +2.7% | -1.3% |
| Scored | 8 | 8 | 8 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MEIP | BUY | 2023-09-22 | 2023-09-25 | $6.85 | $219K | -7.3% | -3.8% | -16.3% |
| MEIP | BUY | 2023-09-20 | 2023-09-22 | $6.11 | $626K | -13.1% | -8.5% | -20.9% |
| ABIO | BUY | 2022-05-23 | 2022-05-25 | $2.32 | $348K | -2.1% | +2.1% | -2.1% |
| ABIO | BUY | 2022-05-18 | 2022-05-20 | $2.30 | $30K | -0.8% | -0.8% | +0.0% |
| ABIO | BUY | 2022-04-25 | 2022-04-27 | $2.29 | $31K | -3.7% | +1.8% | +0.5% |
| ABIO | BUY | 2022-04-14 | 2022-04-14 | $2.33 | $41K | -1.7% | -4.2% | +4.6% |
| ABIO | BUY | 2022-04-08 | 2022-04-12 | $2.32 | $474K | +1.2% | -4.8% | +3.7% |
| ABIO | BUY | 2022-04-05 | 2022-04-07 | $2.31 | $479K | +3.8% | -3.4% | +5.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.