Abingworth LLP, Insider at Sientra, Inc. (SIEN), bought 281,482 shares at $13.50 ($3.8M) on 2018-05-07, disclosed to the SEC on 2018-05-09.
Open-market purchase of $3.8M SIEN by Insider. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
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 → |