ASP Isotopes Inc (ASPI) insider trading
Every open-market stock purchase and sale by ASP Isotopes Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $6.9M over the last 12 months (15 sales). No open-market buys.
- Last insider buy: Robert Ainscow (COO), n/a, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $6.9M (15 sales). Last close $6.71 on Jun 4, 2026.
Recent ASPI insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 8, 2026 | Robert Ainscow (COO) | Sold | $59.1K |
| Jun 3, 2026 | Paul Elliot Mann (CEO) | Sold | $650K |
| Jun 2, 2026 | Paul Elliot Mann (CEO) | Sold | $694K |
| Jun 1, 2026 | Paul Elliot Mann (CEO) | Sold | $660K |
| May 28, 2026 | Donald George Ainscow (VP) | Bought (not open market) | — |
| May 28, 2026 | Heather Kiessling (CFO) | Bought (not open market) | — |
| May 28, 2026 | Paul Elliot Mann (CEO) | Bought (not open market) | — |
| May 28, 2026 | Robert Ainscow (COO) | Bought (not open market) | — |
| Apr 16, 2026 | Robert Ainscow (COO) | Sold | $117K |
| Apr 16, 2026 | Duncan Moore (Insider) | Sold | $60.6K |
| Apr 15, 2026 | Heather Kiessling (CFO) | Sold | $127K |
| Mar 6, 2026 | Robert Ainscow (COO) | Sold | $113K |
| Mar 6, 2026 | Robert Ainscow (COO) | Sold | $45.9K |
| Mar 2, 2026 | Paul Elliot Mann (Chair) | Sold | $881K |
| Dec 18, 2025 | Heather Kiessling (CFO) | Sold | $464K |
| Dec 18, 2025 | Duncan Moore (Insider) | Bought (not open market) | — |
| Dec 18, 2025 | Robert John Andrew Ryan (Insider) | Bought (not open market) | — |
| Dec 18, 2025 | Ralph L. Hunter JR (Insider) | Bought (not open market) | — |
| Dec 18, 2025 | Michael Gorley (Insider) | Bought (not open market) | — |
| Dec 18, 2025 | Todd Wider (Insider) | Bought (not open market) | — |
| Dec 8, 2025 | Robert Ainscow (CEO) | Sold | $52.3K |
| Dec 1, 2025 | Paul Elliot Mann (Chair) | Sold | $933K |
| Nov 25, 2025 | Paul Elliot Mann (Insider) | Sold | $288K |
| Nov 25, 2025 | Robert Ainscow (CEO) | Sold | $144K |
| Nov 17, 2025 | Paul Elliot Mann (Insider) | Sold | $845K |
Who's trading ASPI
- Robert Ainscow, COO: sold $1.3M (8 sales), last Jun 8, 2026
- Paul Elliot Mann, CEO: sold $5M (7 sales), last Jun 3, 2026
- Heather Kiessling, CFO: sold $591K (2 sales), last May 28, 2026
- Donald George Ainscow, VP: other filings, last May 28, 2026
- Duncan Moore, Insider: sold $60.6K (1 sale), last Apr 16, 2026
- Todd Wider, Insider: other filings, last Dec 18, 2025
- Michael Gorley, Insider: other filings, last Dec 18, 2025
- Ralph L. Hunter JR, Insider: other filings, last Dec 18, 2025
- Robert John Andrew Ryan, Insider: other filings, last Dec 18, 2025
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