Sheli Z. Rosenberg, Director at NANOSPHERE INC (NSPH), bought 50,000 shares at $1.97 ($99K) on 2013-02-19, disclosed to the SEC on 2013-02-20.
Open-market purchase of $98k NSPH by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| ELS | SELL | 2017-02-27 | $1.9M | — | Filing → |
| NSPH | BUY | 2014-03-28 | $21K | — | Filing → |
| NSPH | BUY | 2013-08-28 | $20K | — | Filing → |