Robert Ainscow sold $36k of ASPI
COO at ASP Isotopes Inc.. 8,438 shares at an average of $4.29, traded Sep 8, 2026, filed Sep 10, 2026.
Score components
- +20RoleCOO
- +6Trade size$36k at market
- 0Share of holdings soldSold 0.4% of holdings
- +15Cluster3 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
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.
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 0001477932-26-005524, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | SOpen-market sale Common Stock10b5-1 | -8,438 | $4.29 | $36k | 2,248,441 | 33 d ago |
Related signals
Other insiders at ASP Isotopes Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 44Moderate | ASPIbuy ASP Isotopes Inc. | Robert John Andrew Ryan director | $40k 15,000 shares | +2% | |
| 33Weak | ASPIbuy ASP Isotopes Inc. | Robert John Andrew Ryan director | $22k 8,000 shares | +1% | |
| 45Moderate | ASP Isotopes Inc. | Paul Elliot Mann Chairman and CEO | $999k 251,275 shares | -3% | |
| 25Weak | ASP Isotopes Inc. | Robert Ainscow COO | $98k 25,000 shares | -1% | |
| 39Weak | ASP Isotopes Inc. | Donald George Ainscow EVP, Gen Counsel, Secretary | $92k 23,678 shares | -3% | |
| 55Moderate | ASP Isotopes Inc. | Donald George Ainscow EVP, Gen Counsel, Secretary | $614k 100,000 shares | -11% | |
| 28Weak | ASP Isotopes Inc. | Heather Kiessling Chief Financial Officer | $145k 23,124 shares | -1% | |
| 52Moderate | ASP Isotopes Inc. | Michael Gorley director | $188k 30,000 shares | -25% | |
| 55Moderate | ASP Isotopes Inc. | Todd Wider director | $619k 100,000 shares | -13% | |
| 15Weak | ASP Isotopes Inc. | Robert Ainscow COO | $59k 8,438 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.