Nanophase Technologies Corp
NANXCIK 0000883107 · Every Form 4 filed by insiders at this issuer. See financials →
Annual report (10-K)
Latest 10-K/A filed Apr 23, 2026. Sentiment + YoY language diff vs prior year. Read sections →
Signal:NeutralFull-doc fallback
Full filing:tone -0.0019
Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.
Recent 8-K announcements
Per-item disclosure feed. Item 2.02 is the earnings release.
Top insiders
Most active reporters at Nanophase Technologies Corp
| Name | Roles | Filings |
|---|---|---|
| Whitmore R Janet | Director | 24 |
| Jankowski Jess | OfficerDirector | 13 |
| Cureton Kevin | Officer | 8 |
| Whitmore Bradford T | 10% Owner | 8 |
| Miller Mark E | Director | 3 |
Showing 1-5 of 6
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Top performers
Insiders ranked by realized 90-day signed return on their open-market trades at Nanophase Technologies Corp. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.
| # | Insider | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|---|
| 1 | Whitmore R Janet | 59 | 78% | +40.8% | +50.0% | +122.6% | -52.4% |
| 2 | Cureton Kevin | 10 | 100% | +15.5% | +5.4% | +51.9% | +5.3% |
All filings
58 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|