ASPI Insider Trading Activity and SEC Form 4 Filings
ASPI insider trading summary
Over the past 12 months, insiders at ASP Isotopes Inc. (ASPI) reported 26 sales worth $8.8M by 6 insiders and 2 open-market purchases worth $62K by 1 insider on SEC Form 4. Net insider selling was $8.7M.
Latest ASPI insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Oct 16, 2026 | Heather Kiessling | Chief Financial Officer | Sell | $48K (21,830 @ $2.19) |
| Oct 14, 2026 | Robert Ainscow | COO | Sell | $48K (22,500 @ $2.11) |
| Sep 30, 2026 | Robert John Andrew Ryan | Insider | Buy | $40K (15,000 @ $2.68) |
| Sep 28, 2026 | Robert John Andrew Ryan | Insider | Buy | $22K (8,000 @ $2.70) |
| Sep 8, 2026 | Robert Ainscow | COO | Sell | $36K (8,438 @ $4.29) |
| Sep 4, 2026 | Paul Elliot Mann | Chairman and CEO | Sell | $343K (83,759 @ $4.10) |
| Sep 3, 2026 | Paul Elliot Mann | Chairman and CEO | Sell | $328K (83,758 @ $3.92) |
| Sep 2, 2026 | Paul Elliot Mann | Chairman and CEO | Sell | $327K (83,758 @ $3.91) |
| Sep 2, 2026 | Donald George Ainscow | EVP, Gen Counsel, Secretary | Sell | $92K (23,678 @ $3.89) |
| Sep 2, 2026 | Robert Ainscow | COO | Sell | $98K (25,000 @ $3.90) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.