Insider tradingForm 4
ASP Isotopes Inc. (ASPI) Insider Trading
10 open-market trades reported since Sep 4, 2026: 2 purchases worth $62K and 8 sales worth $1.32M.
By insider
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Heather Kiessling | CFO | 0 | $0 | 1 | $48K |
| Robert Ainscow | COO | 0 | $0 | 3 | $181K |
| Robert John Andrew Ryan | Director | 2 | $62K | 0 | $0 |
| Paul Elliot Mann | CEO | 0 | $0 | 3 | $999K |
| Donald George Ainscow | EVP | 0 | $0 | 1 | $92K |
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All trades
| Filed | Insider | Type | Value | 3 mo. after |
|---|---|---|---|---|
| Oct 21 | Heather KiesslingCFO | ▼ SELL | $48K | |
| Oct 16 | Robert AinscowCOO | ▼ SELL10b5-1 | $48K | |
| Oct 1 | Robert John Andrew RyanDirector | ▲ BUY | $40K | |
| Sep 30 | Robert John Andrew RyanDirector | ▲ BUY | $22K | |
| Sep 10 | Robert AinscowCOO | ▼ SELL10b5-1 | $36K | |
| Sep 4 | Paul Elliot MannCEO | ▼ SELL10b5-1 | $343K | |
| Sep 4 | Paul Elliot MannCEO | ▼ SELL10b5-1 | $328K | |
| Sep 4 | Paul Elliot MannCEO | ▼ SELL10b5-1 | $327K | |
| Sep 4 | Robert AinscowCOO | ▼ SELL10b5-1 | $98K | |
| Sep 4 | Donald George AinscowEVP | ▼ SELL | $92K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings