James A. Henderson, Director at NANOPHASE TECHNOLOGIES CORPORATION (NANX), bought 1,275 shares at $0.41 ($523) on 2013-05-20, disclosed to the SEC on 2013-05-22.
Open-market purchase of $523 NANX 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 → |
| NANX | BUY | 2016-06-22 | $555 | — | Filing → |
| NANX | BUY | 2016-06-21 | $4K | — | Filing → |
| NANX | BUY | 2016-06-03 | $1K | — | Filing → |