David P. Southwell is CFO at SEPRACOR INC /DE/ (SEPR). They have made 14 open-market trades across 6 companies since 2007, most recently 2026-06-18.
CIK 0001251553
9 open-market purchases totalling $840K since 2009, against 5 sales. Across 8 scored buys the stock is down 1.3% at ninety days, and 3.5 points behind the S&P over the same stretch.
8 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 13% | 63% | 75% |
| Avg Move | -7.6% | -2.3% | -1.3% |
| Alpha | -4.3% | -1.6% | -3.5% |
| Scored | 8 | 8 | 8 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| PTCT | SELL | 2025-09-09 | 2025-09-11 | $58.34 | $700K | -0.6% | +8.4% | +21.6% |
| RCKT | SELL | 2024-04-12 | 2024-04-16 | $24.34 | $3.7M | -10.3% | -4.5% | -8.0% |
| PTCT | SELL · 10b5-1 | 2023-04-17 | 2023-04-19 | $51.03 | $1.2M | +4.6% | +10.7% | -25.1% |
| PTCT | SELL · 10b5-1 | 2023-03-31 | 2023-04-04 | $50.05 | $257K | +9.2% | +18.1% | -12.5% |
| PTCT | SELL · 10b5-1 | 2023-03-27 | 2023-03-29 | $45.09 | $897K | +0.1% | +13.7% | -15.2% |
| TCRX | BUY | 2022-05-18 | 2022-05-20 | $3.59 | $90K | +9.9% | -3.4% | +4.8% |
| TCRX | BUY | 2021-09-08 | 2021-09-09 | $8.73 | $96K | -26.1% | -17.3% | -27.7% |
| PTCT | SELL | 2020-10-16 | 2020-10-20 | $51.54 | $1.4M | +2.3% | +23.2% | +28.7% |
| RCKT | SELL | 2018-12-13 | 2018-12-14 | $15.19 | $1.2M | -9.0% | +4.2% | -0.3% |
| RCKT | SELL | 2018-12-06 | 2018-12-10 | $15.13 | $1.7M | -16.2% | +11.0% | +7.0% |
| ITEK | BUY | 2017-01-06 | 2017-01-09 | $1.75 | $105K | -10.8% | -10.8% | +0.0% |
| PTCT | SELL · 10b5-1 | 2015-07-06 | 2015-07-06 | $47.52 | $1.1M | -28.3% | -2.3% | -2.3% |
| PTCT | SELL · 10b5-1 | 2015-03-23 | 2015-03-23 | $69.04 | $160K | -28.3% | -2.3% | -2.3% |
| PTCT | SELL · 10b5-1 | 2014-03-21 | 2014-03-24 | $30.93 | $72K | -28.3% | -2.3% | -2.3% |
| TCRD | BUY | 2010-12-06 | 2010-12-07 | $13.00 | $157K | -6.8% | +2.6% | +2.6% |
| TCRD | BUY | 2010-11-24 | 2010-11-29 | $12.84 | $3K | -6.8% | +2.6% | +2.6% |
| TCRD | BUY | 2010-11-22 | 2010-11-29 | $12.83 | $3K | -6.8% | +2.6% | +2.6% |
| TCRD | BUY | 2010-11-18 | 2010-11-22 | $12.84 | $153K | -6.8% | +2.6% | +2.6% |
| TCRD | BUY | 2010-11-16 | 2010-11-18 | $12.84 | $181K | -6.8% | +2.6% | +2.6% |
| HGSI | BUY | 2009-03-13 | 2009-03-16 | $0.72 | $53K | N/A | N/A | N/A |
| SEPR | SELL · 10b5-1 | 2007-09-10 | 2007-09-12 | $27.98 | $232K | N/A | N/A | N/A |
| SEPR | SELL · 10b5-1 | 2007-09-10 | 2007-09-12 | $27.57 | $584K | N/A | N/A | N/A |
| SEPR | SELL · 10b5-1 | 2007-09-10 | 2007-09-12 | $27.29 | $560K | N/A | N/A | N/A |
| SEPR | SELL · 10b5-1 | 2007-09-04 | 2007-09-06 | $29.23 | $500K | N/A | N/A | N/A |
| SEPR | SELL · 10b5-1 | 2007-09-04 | 2007-09-06 | $29.29 | $477K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| BSMD |
| 2,000 |
| — |
| Total | $2.3M |
Shares reported on the most recent Form 4, priced at the 2026-07-06 close. 3 holdings could not be priced and are excluded from the total.