Chad A. Mirkin, Director at NANOSPHERE INC (NSPH), bought 3,370 shares at $0.97 ($3K) on 2011-09-30, disclosed to the SEC on 2011-10-04.
Open-market purchase of $3k 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 → |
| XCUR | BUY | 2019-08-06 | $50K | — | Filing → |
| XCUR | BUY | 2019-03-22 | $1K | — | Filing → |
| XCUR | BUY | 2019-03-21 | $2K | — | Filing → |