ASP Isotopes Inc. (ASPI) Insider Trading -- Recent Executive & Director Transactions
9 insiders reported 62 Form 4 transactions for ASP Isotopes Inc. (ASPI) over the past 18 months (most recent 2026-10-01). Recent activity: Ryan Robert John Andrew (Director) Buy 15,000 shares, Ryan Robert John Andrew (Director) Buy 8,000 shares, Ainscow Robert (COO) Sell 8,438 shares, Ainscow Robert (COO) Sell 25,000 shares, Mann Paul Elliot (Chairman and CEO) Sell 83,758 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-01 | Ryan Robert John Andrew | Director | Buy | 15,000 | $40,200 |
| 2026-09-30 | Ryan Robert John Andrew | Director | Buy | 8,000 | $21,600 |
| 2026-09-10 | Ainscow Robert | COO | Sell | 8,438 | $36,216 |
| 2026-09-04 | Ainscow Robert | COO | Sell | 25,000 | $97,625 |
| 2026-09-04 | Mann Paul Elliot | Chairman and CEO | Sell | 83,758 | $327,494 |
| 2026-09-04 | Ainscow Donald George | EVP, Gen Counsel, Secretary | Sell | 23,678 | $92,107 |
| 2026-09-04 | Mann Paul Elliot | Chairman and CEO | Sell | 83,758 | $328,331 |
| 2026-09-04 | Mann Paul Elliot | Chairman and CEO | Sell | 83,759 | $343,412 |
| 2026-07-02 | Kiessling Heather | Chief Financial Officer | Sell | 23,124 | $145,219 |
| 2026-07-02 | Ainscow Donald George | EVP, Gen Counsel, Secretary | Sell | 100,000 | $614,000 |
| 2026-07-01 | Wider Todd | Director | Sell | 50,000 | $306,000 |
| 2026-07-01 | Gorley Michael | Director | Sell | 30,000 | $188,100 |
| 2026-07-01 | Wider Todd | Director | Sell | 50,000 | $312,500 |
| 2026-06-10 | Ainscow Robert | COO | Sell | 8,438 | $59,066 |
| 2026-06-03 | Mann Paul Elliot | Chairman and CEO | Buy | 2.2M | $0 |
| 2026-06-03 | Mann Paul Elliot | Chairman and CEO | Sell | 83,758 | $660,013 |
| 2026-06-03 | Mann Paul Elliot | Chairman and CEO | Sell | 83,758 | $694,354 |
| 2026-06-03 | Mann Paul Elliot | Chairman and CEO | Sell | 83,759 | $649,970 |
| 2026-06-03 | Ainscow Robert | Chief Operating Officer | Buy | 800,000 | $0 |
| 2026-06-03 | Kiessling Heather | Chief Financial Officer | Buy | 840,000 | $0 |
| 2026-06-03 | Ainscow Donald George | EVP, Gen Counsel, Secretary | Buy | 400,000 | $0 |
| 2026-04-17 | Kiessling Heather | Chief Financial Officer | Sell | 23,124 | $126,720 |
| 2026-04-17 | Ainscow Robert | COO | Sell | 22,500 | $117,225 |
| 2026-04-17 | Moore Duncan | Director | Buy | 25,469 | $0 |
| 2026-04-17 | Moore Duncan | Director | Buy | 36,548 | $0 |
Source: SEC Form 4 filings · as of 2026-10-01