ASP Isotopes Inc. (ASPI) insider trading
ASP Isotopes Inc. insiders have made 2 open-market purchases worth $62k since Sep 30, 2026, by 1 insider. The latest: Robert John Andrew Ryan (Director) bought $40k, filed Oct 1, 2026, scored 22 out of 100.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 1 Form 4 (opens sec.gov) |
Robert John Andrew RyanDirectorDirector · Near 52-week low | +2% stake | 22 | $40k 15,000 at $2.68 |
−8.9% | waiting |
| Sep 30 Form 4 (opens sec.gov) |
Robert John Andrew RyanDirectorDirector · Near 52-week low | +1% stake | 22 | $22k 8,000 at $2.70 |
— | — |
Track record (hypothetical): a week after the filing, these buys averaged −8.9% (0% up, 1 measured).
Insider sales
2 open-market sales on record
| Filed | Insider | Sold |
|---|---|---|
| Oct 22 Form 4 (opens sec.gov) |
Heather KiesslingCFO · filed late | $48k 21,830 at $2.19 · 1% of holdings |
| Oct 17 Form 4 (opens sec.gov) |
Robert AinscowCOO · planned (10b5-1) | $48k 22,500 at $2.11 · 1% of holdings |
Most insider sales are planned in advance or made for personal reasons, so a sale says less than a buy.
Planned insider sales of ASPI (Form 144)
| Filed | Insider | To sell |
|---|---|---|
| Oct 16 Form 144 | Heather KiesslingAffiliate · no trading plan named | $48k 21,830 shares from Oct 16 |
| Oct 15 Form 144 | Ainscow RobertOFFICER · 10b5-1 plan | $47k 22,500 shares from Oct 14 |
A Form 144 is filed before an insider sells restricted or control shares; the Form 4 reports the sale once made.
Insiders who bought ASPI
- Robert John Andrew Ryan Director
Questions
Are insiders buying ASPI stock?
Yes. In the last 90 days, 2 open-market purchases were filed, worth $62k, against $95k of open-market sales.
Who bought ASPI stock most recently?
Robert John Andrew Ryan, Director, bought 15,000 shares for $40k (Form 4 (opens sec.gov), filed Oct 1, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
- FTK $34.3M
Data as of Oct 22, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer