R Janet Whitmore bought $63k of SLSN
director at NANOPHASE TECHNOLOGIES Corp. 35,056 shares at an average of $1.80, traded Nov 14, 2025, filed Dec 11, 2025.
Score components
- +15RoleDirector
- +8Trade size$63k at market
- 0Relative to holdingsHoldings up 1.7%
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy 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 -31.1%, 3m -53.9%, 6m -42.9%.
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 0001193125-25-315434, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 14, 2025 | POpen-market purchase Common Stock | +19,789 | $1.73 | $34k | 2,068,931 | Dec 11, 2025 |
| Nov 17, 2025 | POpen-market purchase Common Stock | +5,000 | $1.87 | $9,350 | 2,073,931 | Dec 11, 2025 |
| Nov 18, 2025 | POpen-market purchase Common Stock | +267 | $1.83 | $489 | 2,074,198 | Dec 11, 2025 |
| Nov 19, 2025 | POpen-market purchase Common Stock | +5,000 | $1.95 | $9,750 | 2,079,198 | Dec 11, 2025 |
| Nov 19, 2025 | POpen-market purchase Common Stock | +5,000 | $1.89 | $9,450 | 2,084,198 | Dec 11, 2025 |
Related signals
Other insiders at NANOPHASE TECHNOLOGIES Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 15Weak | SLSNbuy NANOPHASE TECHNOLOGIES Corp | R Janet Whitmore director | $4,787 2,500 shares | +0% | |
| 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.