Abingworth LLP, 10% Owner at Sientra, Inc. (SIEN), bought 495,000 shares at $15.00 ($7.4M) on 2014-10-29, disclosed to the SEC on 2014-10-31.
Open-market purchase of $7.4M SIEN by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
| Filing → |
| SRRA | BUY | 2022-02-01 | $4.0M | — | Filing → |
| VERA | BUY | 2021-05-18 | $8.5M | — | Filing → |
| PSNL | SELL | 2020-10-21 | $7.2M | — | Filing → |