Western Standard LLC is Director at MERRIMACK PHARMACEUTICALS INC (MACK). They have made 9 open-market trades across 1 company since 2020, most recently 2023-11-09.
CIK 0001517666
9 open-market purchases totalling $11.2M since 2020, never a sale. Across 9 scored buys the stock is up 9.0% at ninety days, and 0.5 points ahead of the S&P over the same stretch.
9 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| MACK | 1,569,894 | $23.8M |
Shares reported on the most recent Form 4, priced at the 2023-11-13 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 67% | 67% | 78% |
| Avg Move | +12.4% | +8.8% | +9.0% |
| Alpha | +10.5% | +4.4% | +0.5% |
| Scored | 9 | 9 | 9 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MACK | BUY | 2023-11-08 | 2023-11-13 | $12.15 | $552K | +3.6% | +7.6% | +12.6% |
| MACK | BUY | 2023-03-21 | 2023-03-22 | $11.52 | $3.7M | +1.0% | +1.5% | +3.6% |
| MACK | BUY | 2023-01-30 | 2023-03-01 | $11.37 | $139K | -1.5% | +5.6% | +7.6% |
| MACK | BUY | 2023-01-03 | 2023-01-04 | $11.33 | $694K | -0.7% | +0.3% | +2.9% |
| MACK | BUY | 2022-12-29 | 2023-01-03 | $10.67 | $5.5M | +0.8% | -0.6% | +1.1% |
| MACK | BUY | 2020-11-24 | 2020-11-27 | $3.65 | $504K | +106.5% | +67.8% | +72.8% |
| MACK | BUY | 2020-08-13 | 2020-08-17 | $3.50 | $2K | +1.9% | -7.2% | -11.9% |
| MACK | BUY | 2020-08-11 | 2020-08-13 | $3.45 | $55K | +15.0% | +6.9% | +3.9% |
| MACK | BUY | 2020-04-07 | 2020-04-08 | $3.03 | $18K | -15.3% | -2.8% | -11.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.