Bradford T. Whitmore is 10% Owner at NANOPHASE TECHNOLOGIES CORPORATION (NANX). They have made 123 open-market trades across 6 companies since 2006, most recently 2026-05-26.
CIK 0000933430
114 open-market purchases totalling $127.3M since 2008, against 9 sales. Across 54 scored buys the stock is up 14.5% at ninety days, and 9.8 points ahead of the S&P over the same stretch.
54 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 33% | 63% | 61% |
| Avg Move | +0.9% | +4.8% | +14.5% |
| Alpha | +1.5% | +3.1% | +9.8% |
| Scored | 54 | 54 | 54 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ULBI | BUY | 2026-05-21 | 2026-05-26 | $6.57 | $715K | -12.4% | -17.1% | -9.7% |
| ULBI | BUY | 2026-03-12 | 2026-03-16 | $6.38 | $1.2M | -7.8% | +4.3% | -5.9% |
| ULBI | BUY | 2025-12-12 | 2025-12-16 | $5.68 | $602K | -5.2% | +18.9% | +18.4% |
| ULBI | BUY | 2025-11-19 | 2025-11-21 | $4.97 | $268K | +4.9% | +11.7% | +10.6% |
| ULBI | BUY | 2025-08-19 | 2025-08-21 | $6.60 | $689K | -2.5% | +2.0% | -26.9% |
| ULBI | BUY | 2025-06-13 | 2025-06-13 | $7.64 | $76K | +5.2% | +11.5% | -10.4% |
| SLSN | BUY | 2025-05-29 | 2025-06-02 | $4.20 | $10.5M | -1.7% | -0.2% | -13.4% |
| SLSN | SELL | 2025-05-29 | 2025-06-02 | $4.20 | $17.6M | -1.7% | -0.2% | -13.4% |
| ULBI | BUY | 2025-05-23 | 2025-05-28 | $5.41 | $130K | +13.9% | +17.2% | +0.6% |
| ULBI | BUY | 2025-05-13 | 2025-05-15 | $5.47 | $236K | +14.3% | +36.6% | +15.0% |
| NANX | BUY | 2024-02-08 | 2024-02-12 | $0.40 | $1.9M | N/A | N/A | N/A |
| CLSD | BUY | 2024-02-07 | 2024-02-09 | $1.35 | $1.2M | -7.0% | +41.3% | -5.6% |
| ULBI | BUY | 2023-12-06 | 2023-12-08 | $6.93 | $172K | -6.2% | -3.7% | +36.9% |
| ULBI | BUY | 2023-11-27 | 2023-11-29 | $7.20 | $338K | -4.3% | -8.7% | +23.8% |
| CLSD | BUY | 2023-10-30 | 2023-11-01 | $0.73 | $151K | +25.2% | +33.0% | +73.0% |
| ULBI | BUY | 2023-10-30 | 2023-11-01 | $7.10 | $171K | +3.4% | -2.5% | -4.9% |
| ULBI | BUY | 2023-09-13 | 2023-09-15 | $10.10 | $168K | -9.0% | +7.6% | -29.0% |
| NANX | BUY | 2023-08-21 | 2023-08-23 | $0.92 | $79K | N/A | N/A | N/A |
| ULBI | BUY | 2023-06-12 | 2023-06-14 | $4.93 | $629K | -4.5% | +2.6% | +111.3% |
| ULBI | BUY | 2023-06-02 | 2023-06-05 | $4.40 | $26K | +11.4% | +6.2% | +113.0% |
| ULBI | BUY | 2023-05-30 | 2023-06-01 | $4.32 | $234K | +13.1% | +15.5% | +123.0% |
| NANX | BUY | 2023-05-30 | 2023-06-01 | $1.18 | $19K | N/A | N/A | N/A |
| NANX | BUY | 2023-05-17 | 2023-05-19 | $0.84 | $56K | N/A | N/A | N/A |
| ULBI | BUY | 2023-05-09 | 2023-05-11 | $4.07 | $199K | +4.4% | +17.6% | +104.1% |
| ULBI | BUY | 2023-03-09 | 2023-03-13 | $4.07 | $180K | -4.6% | -1.5% | +19.7% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.