David S. Tierney is Director at CATALYST PHARMACEUTICALS, INC. (CPRX). They have made 19 open-market trades across 5 companies since 2006, most recently 2025-12-29.
CIK 0001292636
12 open-market purchases totalling $221K since 2006, against 7 sales. Across 12 scored buys the stock is down 8.5% at ninety days, and 9.0 points behind the S&P over the same stretch.
12 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 33% | 25% | 17% |
| Avg Move | -6.2% | -3.0% | -8.5% |
| Alpha | -7.7% | -2.8% | -9.0% |
| Scored | 12 | 12 | 12 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CPRX | SELL | 2025-08-27 | 2025-08-28 | $20.20 | $525K | -3.4% | -4.4% | +14.6% |
| CPRX | SELL | 2024-08-21 | 2024-08-23 | $20.10 | $302K | -3.0% | +0.3% | +3.4% |
| CPRX | SELL | 2024-04-08 | 2024-04-10 | $15.68 | $392K | -5.3% | +0.0% | -2.1% |
| CPRX | SELL | 2023-12-12 | 2023-12-14 | $13.33 | $667K | +19.0% | -1.2% | +14.4% |
| CPRX | SELL | 2023-04-05 | 2023-04-07 | $16.83 | $1.0M | +0.2% | +0.4% | -28.7% |
| ZVRA | BUY | 2023-03-09 | 2023-03-13 | $4.15 | $21K | +25.4% | +40.8% | +29.2% |
| CPRX | SELL | 2022-08-22 | 2022-08-23 | $14.16 | $283K | -5.0% | -15.7% | +7.5% |
| KMPH | BUY | 2022-05-25 | 2022-05-26 | $4.39 | $9K | +6.3% | +1.7% | +33.9% |
| KMPH | BUY | 2021-11-30 | 2021-11-30 | $7.79 | $16K | +4.8% | +11.4% | -26.3% |
| CPRX | SELL | 2021-08-13 | 2021-08-17 | $6.08 | $304K | -4.2% | -13.0% | +27.8% |
| KMPH | BUY | 2020-08-18 | 2020-08-18 | $0.65 | $7K | +0.0% | +0.0% | +0.0% |
| BPMX | BUY | 2018-09-19 | 2018-09-20 | $0.20 | $20K | -10.0% | -17.5% | -48.6% |
| KMPH | BUY | 2017-03-20 | 2017-03-21 | $4.20 | $4K | +18.1% | -1.2% | -19.3% |
| KMPH | BUY | 2015-04-21 | 2015-05-12 | $11.00 | $55K | -19.3% | -6.5% | -6.5% |
| CPRX | BUY | 2013-10-23 | 2013-10-25 | $2.03 | $16K | -17.6% | -4.9% | -4.9% |
| CPRX | BUY | 2012-05-29 | 2012-05-31 | $0.58 | $12K | -17.6% | -4.9% | -4.9% |
| CPRX | BUY | 2009-03-06 | 2009-03-09 | $1.55 | $5K | -17.6% | -4.9% | -4.9% |
| VLRX | BUY | 2006-05-25 | 2006-05-25 | $7.73 | $8K | -23.3% | -25.1% | -25.1% |
| VLRX | BUY | 2006-02-02 | 2006-02-02 | $9.00 | $50K | -23.3% | -25.1% | -25.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Total |
| $58.1M |
Shares reported on the most recent Form 4, priced at the 2025-12-30 close. 2 holdings could not be priced and are excluded from the total.