Bradford T. Whitmore, 10% Owner at NANOPHASE TECHNOLOGIES Corp (NANX), bought 16,400 shares at $1.18 ($19K) on 2023-05-31, disclosed to the SEC on 2023-06-01.
Open-market purchase of $19k NANX by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.18 | 8,200 | $10K | 50.0% |
| 2 | $1.18 | 7,700 | $9K | 46.9% |
| 3 | $1.21 | 500 | $605 | 3.1% |
| Total | $1.18 avg | 16,400 | $19K | 100% |
| Filing → |
| ULBI | BUY | 2025-12-16 | $602K | — | Filing → |
| ULBI | BUY | 2025-11-21 | $268K | — | Filing → |
| ULBI | BUY | 2025-08-21 | $689K | — | Filing → |