List of insiders holdings for ASP Isotopes Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Mann Paul Elliot Executive Chairman | 2025-12-03 21:42:52 | 7,759,538 0 | 7,759,538 | Form 4 |
| 2 | AK Jensen Investment Management Ltd 10% Owner | 2025-11-14 09:03:57 | 4,955,261 0 | 4,955,261 | Form 13G |
| 3 | Vasnetsov Sergey Director | 2023-03-08 16:05:51 | 0 3,838,607 | 3,838,607 | Form 4 |
| 4 | Strydom Hendrik Director 10% Owner | 2022-11-16 12:44:48 | 0 3,797,423 | 3,797,423 | Form 4 |
| 5 | Ronander Einar Chief Scientific Adviser 10% Owner | 2022-11-14 16:43:47 | 0 3,597,424 | 3,597,424 | Form 3 |
| 6 | Ainscow Robert Interim CEO and COO | 2025-12-11 21:05:17 | 1,546,255 0 | 1,546,255 | Form 4 |
| 7 | Donfeld Joshua Jay Director | 2023-10-30 21:50:12 | 1,104,167 0 | 1,104,167 | Form 4 |
| 8 | Moore Duncan Director | 2025-09-03 17:40:33 | 994,553 0 | 994,553 | Form 4 |
| 9 | Kiessling Heather Chief Financial Officer | 2025-04-15 08:42:35 | 812,500 0 | 812,500 | Form 4 |
| 10 | Wider Todd Director | 2025-11-14 21:34:57 | 735,699 0 | 735,699 | Form 4 |
| 11 | Ryan Robert John Andrew Director | 2025-02-14 17:14:06 | 615,674 0 | 615,674 | Form 5 |
| 12 | Ainscow Donald George EVP, Gen Counsel, Secretary | 2025-11-28 21:49:49 | 500,000 0 | 500,000 | Form 4 |
| 13 | Gorley Michael Director | 2025-10-02 20:29:05 | 81,360 0 | 81,360 | Form 4 |
| 14 | Hunter Ralph L. JR Director | 2025-11-28 21:53:55 | 10,470 0 | 10,470 | Form 4 |