9 insiders reported 69 Form 4 transactions for ASP Isotopes Inc. (ASPI) over the past 18 months (most recent 2026-09-10). Recent activity: Ainscow Robert (COO) Sell 8,438 shares, Mann Paul Elliot (Chairman and CEO) Sell 83,758 shares, Ainscow Robert (COO) Sell 25,000 shares, Ainscow Donald George (EVP, Gen Counsel, Secretary) Sell 23,678 shares, Mann Paul Elliot (Chairman and CEO) Sell 83,758 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-10 | Ainscow Robert | COO | Sell | 8,438 | $36,216 |
| 2026-09-04 | Mann Paul Elliot | Chairman and CEO | Sell | 83,758 | $327,494 |
| 2026-09-04 | Ainscow Robert | COO | Sell | 25,000 | $97,625 |
| 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 | $312,500 |
| 2026-07-01 | Gorley Michael | Director | Sell | 30,000 | $188,100 |
| 2026-07-01 | Wider Todd | Director | Sell | 50,000 | $306,000 |
| 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 |
| 2026-04-17 | Moore Duncan | Director | Sell | 11,642 | $60,655 |
| 2026-04-13 | Ainscow Robert | COO | Sell | 25,000 | $112,750 |
来源：SEC Form 4 申报文件 · 截至 2026-09-10