ASPI · ASP Isotopes Inc. Common Stock
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| Mann Paul Elliot Director | ▼ Sell | Open Market | 9,579,845 Shares held | 6/3/2026 | View profile |
| AK Jensen Investment Management Ltd 10% Owner | ▲ Buy | Grant | 6,746,874 Shares held | 10/11/2024 | View profile |
| Vasnetsov Sergey Director | ▲ Buy | Grant | 3,838,607 Shares held | 3/1/2023 | View profile |
| Strydom Hendrik Director | ▲ Buy | Grant | 3,797,423 Shares held | 11/15/2022 | View profile |
| Ainscow Robert Chief Financial Officer | ▼ Sell | Open Market | 2,281,879 Shares held | 6/8/2026 | View profile |
| Kiessling Heather Chief Financial Officer | ▼ Sell | Open Market | 1,526,252 Shares held | 7/1/2026 | View profile |
| Donfeld Joshua Jay Director | ▲ Buy | Open Market | 1,104,167 Shares held | 10/26/2023 | View profile |
| Moore Duncan Director | ▼ Sell | Open Market | 1,044,928 Shares held | 4/16/2026 | View profile |
| Ainscow Donald George EVP, Gen Counsel, Secretary | ▼ Sell | Open Market | 800,000 Shares held | 6/30/2026 | View profile |
| Wider Todd Director | ▼ Sell | Open Market | 672,247 Shares held | 6/30/2026 | View profile |
| Ryan Robert John Andrew Director | ▲ Buy | Grant | 652,222 Shares held | 12/18/2025 | View profile |
| Gorley Michael Director | ▼ Sell | Open Market | 87,908 Shares held | 6/30/2026 | View profile |
| Hunter Ralph L. JR | ▲ Buy | Grant | 47,018 Shares held | 12/18/2025 | View profile |
Transaction History
| Kiessling Heather | ▼ Sell | Open Market | 23,124 | $145K | 7/1/2026 |
| Ainscow Donald George | ▼ Sell | Open Market | 100,000 | $614K | 6/30/2026 |
| Wider Todd | ▼ Sell | Open Market | 50,000 | $306K | 6/30/2026 |
| Gorley Michael | ▼ Sell | Open Market | 30,000 | $188K | 6/30/2026 |
| Wider Todd | ▼ Sell | Open Market | 50,000 | $313K | 6/29/2026 |
| Ainscow Robert | ▼ Sell | Open Market | 8,438 | $59K | 6/8/2026 |
| Mann Paul Elliot | ▼ Sell | Open Market | 83,759 | $650K | 6/3/2026 |
| Mann Paul Elliot | ▼ Sell | Open Market | 83,758 | $694K | 6/2/2026 |
| Mann Paul Elliot | ▼ Sell | Open Market | 83,758 | $660K | 6/1/2026 |
| Mann Paul Elliot | ▲ Buy | Grant | 2,233,555 | — | 5/28/2026 |
| Ainscow Robert | ▲ Buy | Grant | 800,000 | — | 5/28/2026 |
| Ainscow Donald George | ▲ Buy | Grant | 400,000 | — | 5/28/2026 |
| Kiessling Heather | ▲ Buy | Grant | 840,000 | — | 5/28/2026 |
| Ainscow Robert | ▼ Sell | Open Market | 22,500 | $117K | 4/16/2026 |
| Moore Duncan | ▼ Sell | Open Market | 11,642 | $61K | 4/16/2026 |
| Kiessling Heather | ▼ Sell | Open Market | 23,124 | $127K | 4/15/2026 |
| Ainscow Robert | ▼ Sell | Open Market | 25,000 | $113K | 3/6/2026 |
| Ainscow Robert | ▼ Sell | Open Market | 8,438 | $46K | 3/6/2026 |
| Mann Paul Elliot | ▼ Sell | Open Market | 162,153 | $881K | 3/2/2026 |
| Kiessling Heather | ▼ Sell | Open Market | 80,000 | $464K | 12/18/2025 |
| Wider Todd | ▲ Buy | Grant | 36,548 | — | 12/18/2025 |
| Ryan Robert John Andrew | ▲ Buy | Grant | 36,548 | — | 12/18/2025 |
| Hunter Ralph L. JR | ▲ Buy | Grant | 36,548 | — | 12/18/2025 |
| Gorley Michael | ▲ Buy | Grant | 36,548 | — | 12/18/2025 |
| Moore Duncan | ▲ Buy | Grant | 36,548 | — | 12/18/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 8,438 | $52K | 12/8/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 162,153 | $933K | 12/1/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 25,000 | $144K | 11/25/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 50,000 | $288K | 11/25/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 112,500 | $845K | 11/17/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 67,500 | $507K | 11/17/2025 |
| Wider Todd | ▲ Buy | Grant | 25,469 | — | 11/12/2025 |
| Moore Duncan | ▲ Buy | Grant | 25,469 | — | 11/12/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 22,500 | $306K | 10/14/2025 |
| Gorley Michael | ▼ Sell | Open Market | 64,000 | $624K | 9/30/2025 |
| Wider Todd | ▼ Sell | Open Market | 74,108 | $649K | 9/15/2025 |
| Wider Todd | ▲ Buy | Option Exercise | 96,000 | $192K | 9/14/2025 |
| Wider Todd | ▼ Sell | Tax Withholding | 21,892 | $192K | 9/14/2025 |
| Ainscow Robert | ▲ Buy | Option Exercise | 150,000 | $38K | 9/9/2025 |
| Ainscow Robert | ▼ Sell | Tax Withholding | 4,396 | $37K | 9/9/2025 |
| Ainscow Robert | ▲ Buy | Option Exercise | 12,000 | $24K | 9/9/2025 |
| Ainscow Robert | ▼ Sell | Tax Withholding | 2,813 | $24K | 9/9/2025 |
| Ainscow Robert | ▲ Buy | Option Exercise | 135,000 | $270K | 9/9/2025 |
| Ainscow Robert | ▼ Sell | Tax Withholding | 31,652 | $270K | 9/9/2025 |
| Mann Paul Elliot | ▲ Buy | Option Exercise | 216,000 | $432K | 9/9/2025 |
| Mann Paul Elliot | ▼ Sell | Tax Withholding | 50,644 | $432K | 9/9/2025 |
| Mann Paul Elliot | ▲ Buy | Option Exercise | 1,000,000 | $2.0M | 9/9/2025 |
| Mann Paul Elliot | ▼ Sell | Tax Withholding | 234,466 | $2.0M | 9/9/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 81,077 | $680K | 9/9/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 8,438 | $72K | 9/8/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 81,076 | $691K | 9/8/2025 |
| Hunter Ralph L. JR | ▲ Buy | Grant | 10,470 | — | 9/6/2025 |
| Moore Duncan | ▼ Sell | Open Market | 75,000 | $696K | 8/29/2025 |
| Ainscow Donald George | ▲ Buy | Grant | 400,000 | — | 8/1/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 66,668 | $375K | 4/17/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 316,666 | $1.8M | 4/17/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 66,666 | $363K | 4/16/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 316,667 | $1.7M | 4/16/2025 |
| Ainscow Robert | ▼ Sell | Open Market | 66,666 | $384K | 4/15/2025 |
| Mann Paul Elliot | ▼ Sell | Open Market | 316,667 | $1.8M | 4/15/2025 |
| Ainscow Robert | ▲ Buy | Grant | 400,000 | — | 4/14/2025 |
| Kiessling Heather | ▲ Buy | Grant | 400,000 | — | 4/14/2025 |
| Mann Paul Elliot | ▲ Buy | Grant | 1,441,361 | — | 4/14/2025 |
| Moore Duncan | ▲ Buy | Grant | 77,626 | — | 12/9/2024 |
| Moore Duncan | ▲ Buy | Grant | 95,238 | — | 12/9/2024 |
| Wider Todd | ▲ Buy | Grant | 42,522 | — | 11/20/2024 |
| Moore Duncan | ▲ Buy | Grant | 42,522 | — | 11/20/2024 |
| Ryan Robert John Andrew | ▲ Buy | Grant | 42,522 | — | 11/20/2024 |
| Gorley Michael | ▲ Buy | Grant | 42,522 | — | 11/20/2024 |
| AK Jensen Investment Management Ltd | ▲ Buy | Grant | 30,000 | $91K | 10/11/2024 |
| Ainscow Robert | ▲ Buy | Grant | 300,000 | — | 9/6/2024 |
| Mann Paul Elliot | ▲ Buy | Grant | 978,466 | — | 9/6/2024 |
| Wider Todd | ▲ Buy | Grant | 77,626 | — | 8/13/2024 |
| Wider Todd | ▲ Buy | Grant | 95,238 | — | 8/13/2024 |
| Gorley Michael | ▲ Buy | Grant | 8,380 | — | 8/13/2024 |
| AK Jensen Investment Management Ltd | ▼ Sell | Open Market | 80,000 | $178K | 8/2/2024 |
| AK Jensen Investment Management Ltd | ▼ Sell | Open Market | 31,849 | $78K | 8/1/2024 |
| Ainscow Robert | ▲ Buy | Open Market | 19,992 | — | 7/15/2024 |
| Mann Paul Elliot | ▲ Buy | Open Market | 39,984 | — | 7/15/2024 |
| AK Jensen Investment Management Ltd | ▲ Buy | Open Market | 61,849 | $210K | 7/10/2024 |
| AK Jensen Investment Management Ltd | ▲ Buy | Open Market | 30,000 | $91K | 7/9/2024 |
| AK Jensen Investment Management Ltd | ▲ Buy | Open Market | 70,000 | $213K | 7/8/2024 |
| Kiessling Heather | ▲ Buy | Grant | 400,000 | — | 7/1/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 3,734 | $14K | 4/30/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 5,000 | $17K | 4/30/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 7,500 | $25K | 4/30/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 4,313 | $14K | 4/29/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 5,000 | $17K | 4/26/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 5,000 | $17K | 4/25/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 2,500 | $9K | 4/25/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 2,000 | $7K | 4/25/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 15,596 | $37K | 1/29/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 100 | $254 | 1/25/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 100 | $191 | 1/17/2024 |
| Ryan Robert John Andrew | ▲ Buy | Open Market | 2,550 | $5K | 1/16/2024 |
| Ryan Robert John Andrew | ▲ Buy | Grant | 50,251 | — | 1/14/2024 |
| Donfeld Joshua Jay | ▲ Buy | Open Market | 104,167 | $100K | 10/26/2023 |
| Moore Duncan | ▲ Buy | Open Market | 104,167 | $100K | 10/26/2023 |
| Wider Todd | ▲ Buy | Open Market | 94,844 | $91K | 10/26/2023 |
| Gorley Michael | ▲ Buy | Grant | 93,458 | — | 10/23/2023 |
| Moore Duncan | ▲ Buy | Grant | 200,000 | $0 | 8/10/2023 |
| Moore Duncan | ▲ Buy | Open Market | 50,000 | $25K | 6/29/2023 |
| Moore Duncan | ▲ Buy | Open Market | 50,000 | $25K | 6/29/2023 |
| Moore Duncan | ▲ Buy | Open Market | 20,000 | $6K | 5/18/2023 |
| Moore Duncan | ▲ Buy | Open Market | 10,000 | $5K | 5/10/2023 |
| Moore Duncan | ▲ Buy | Open Market | 20,000 | $20K | 4/6/2023 |
| Vasnetsov Sergey | ▲ Buy | Grant | 538,607 | $0 | 3/1/2023 |
| Mann Paul Elliot | ▲ Buy | Grant | 718,143 | $0 | 3/1/2023 |
| Vasnetsov Sergey | ▲ Buy | Grant | 500,000 | $0 | 12/30/2022 |
| Ainscow Robert | ▲ Buy | Grant | 50,000 | $0 | 12/30/2022 |
| Mann Paul Elliot | ▲ Buy | Grant | 1,000,000 | $0 | 12/30/2022 |
| Wider Todd | ▲ Buy | Grant | 200,000 | $0 | 11/15/2022 |
| Vasnetsov Sergey | ▲ Buy | Grant | 600,000 | $0 | 11/15/2022 |
| Strydom Hendrik | ▲ Buy | Grant | 200,000 | $0 | 11/15/2022 |
| Moore Duncan | ▲ Buy | Grant | 200,000 | $0 | 11/15/2022 |
| Donfeld Joshua Jay | ▲ Buy | Grant | 200,000 | $0 | 11/15/2022 |
| Ainscow Robert | ▲ Buy | Grant | 600,000 | $0 | 11/15/2022 |
| Mann Paul Elliot | ▲ Buy | Grant | 37,500 | $150K | 11/15/2022 |
| Mann Paul Elliot | ▲ Buy | Grant | 1,000,000 | $0 | 11/15/2022 |