R Janet Whitmore bought $4,787 of SLSN
director at NANOPHASE TECHNOLOGIES Corp. 2,500 shares at an average of $1.91, traded Dec 24, 2025, filed Dec 30, 2025.
Score components
- +15RoleDirector
- 0Trade size$5k at market
- -5Relative to holdingsUnder 1% of holdings (0.1%)
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying2 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -20.5%, 3m -42.8%, 6m -55.4%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-25-336020, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 24, 2025 | POpen-market purchase Common Stock | +1,500 | $1.91 | $2,865 | 2,085,698 | Dec 30, 2025 |
| Dec 24, 2025 | POpen-market purchase Common Stock | +1,000 | $1.92 | $1,922 | 2,086,698 | Dec 30, 2025 |
Related signals
Other insiders at NANOPHASE TECHNOLOGIES Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 23Weak | SLSNbuy NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $63k 35,056 shares | +2% | |
| 29Weak | NANOPHASE TECHNOLOGIES Corp | Kevin Cureton Chief Operating Officer | $166k 43,500 shares | -22% | |
| 38Weak | SLSNbuy NANOPHASE TECHNOLOGIES Corp | Bradford T Whitmore owner | $28M 6,689,000 shares | +28% | |
| 55Moderate | NANOPHASE TECHNOLOGIES Corp | Bradford T Whitmore owner | $28M 6,689,000 shares | -26% | |
| 21Weak | SLSNbuy NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $38k 45,333 shares | +2% | |
| 28Weak | NANOPHASE TECHNOLOGIES Corp | Kevin Cureton Chief Operating Officer | $7,005 4,716 shares | +3% | |
| 37Weak | NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $80k 49,900 shares | +3% | |
| 23Weak | NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $3,434 2,200 shares | +0% | |
| 23Weak | NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $6,777 4,488 shares | +0% | |
| 15Weak | SLSNbuy NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $14k 9,263 shares | +0% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.