ASPI ASP Isotopes Inc.
Nasdaq · SEC CIK 1921865 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $8.60M 24 sales by 7 insiders
- Filings on record
- 82 since 2022-11-15, latest 2026-09-10 21:45
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Mann Paul Elliot | Executive Off, Dir | — | $4.19M |
| Ainscow Robert | COO, Interim CEO | — | $1.48M |
| Gorley Michael | Dir | — | $812.1K |
| Kiessling Heather | CFO | — | $735.9K |
| Ainscow Donald George | EVP, Gen Counsel, Sec | — | $706.1K |
| Wider Todd | Dir | — | $618.5K |
| Moore Duncan | Dir | — | $60.6K |
| Hunter Ralph L. JR | Dir | — | — |
| Ryan Robert John Andrew | Dir | — | — |
Transactions 92
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-10 21:45 | 2026-09-08 | ASPI | Ainscow Robert | COO | S - Sale | $4.29 | -8,438 | 2.25M | -0.4% | -$36.2K |
| 2026-09-04 21:33 | 2026-09-02 | ASPI | Ainscow Donald George | EVP, Gen Counsel, Sec | S - Sale | $3.89 | -23.7K | 776.3K | -3% | -$92.1K | |
| T | 2026-09-04 21:32 | 2026-09-02 | ASPI | Ainscow Robert | COO | S - Sale | $3.90 | -25.0K | 2.26M | -1% | -$97.6K |
| MT | 2026-09-04 21:30 | 2026-09-02+ | ASPI | Mann Paul Elliot | COB, CEO, Dir | S - Sale | $3.98 | -251.3K | 9.33M | -3% | -$999.2K |
| T | 2026-07-02 21:45 | 2026-07-01 | ASPI | Kiessling Heather | CFO | S - Sale | $6.28 | -23.1K | 1.53M | -1% | -$145.2K |
| 2026-07-02 21:45 | 2026-06-30 | ASPI | Ainscow Donald George | EVP, Gen Counsel, Sec | S - Sale | $6.14 | -100.0K | 800.0K | -11% | -$614.0K | |
| M | 2026-07-01 21:45 | 2026-06-29+ | ASPI | Wider Todd | Dir | S - Sale | $6.18 | -100.0K | 672.2K | -13% | -$618.5K |
| 2026-07-01 21:45 | 2026-06-30 | ASPI | Gorley Michael | Dir | S - Sale | $6.27 | -30.0K | 87.9K | -25% | -$188.1K | |
| T | 2026-06-10 21:48 | 2026-06-08 | ASPI | Ainscow Robert | COO | S - Sale | $7.00 | -8,438 | 2.28M | -0.4% | -$59.1K |
| T | 2026-06-03 21:45 | 2026-05-28 | ASPI | Mann Paul Elliot | COB, CEO, Dir | A - Grant | — | +2.23M | 9.83M | +29% | — |
| MT | 2026-06-03 21:45 | 2026-06-01+ | ASPI | Mann Paul Elliot | COB, CEO, Dir | S - Sale | $7.98 | -251.3K | 9.58M | -3% | -$2.00M |
| 2026-06-03 21:45 | 2026-05-28 | ASPI | Ainscow Robert | COO | A - Grant | — | +800.0K | 2.29M | +54% | — | |
| 2026-06-03 21:45 | 2026-05-28 | ASPI | Ainscow Donald George | EVP, Gen Counsel, Sec | A - Grant | — | +400.0K | 900.0K | +80% | — | |
| 2026-06-03 21:45 | 2026-05-28 | ASPI | Kiessling Heather | CFO | A - Grant | — | +840.0K | 1.55M | +118% | — | |
| T | 2026-04-17 21:55 | 2026-04-16 | ASPI | Ainscow Robert | COO | S - Sale | $5.21 | -22.5K | 1.49M | -1% | -$117.1K |
| T | 2026-04-17 21:54 | 2026-04-15 | ASPI | Kiessling Heather | CFO | S - Sale | $5.48 | -23.1K | 709.4K | -3% | -$126.7K |
| MT | 2026-04-17 21:54 | 2025-11-12+ | ASPI | Moore Duncan | Dir | A - Grant | — | +62.0K | 1.06M | +6% | — |
| T | 2026-04-17 21:54 | 2026-04-16 | ASPI | Moore Duncan | Dir | S - Sale | $5.21 | -11.6K | 1.04M | -1% | -$60.6K |
| T | 2026-04-13 21:57 | 2026-03-06 | ASPI | Ainscow Robert | COO | S - Sale | $4.51 | -25.0K | 1.51M | -2% | -$112.8K |
| T | 2026-03-06 | 2026-03-06 | ASPI | Ainscow Robert | COO | S - Sale | $5.44 | -8,438 | 1.54M | -0.5% | -$45.9K |
| T | 2026-03-02 | 2026-03-02 | ASPI | Mann Paul Elliot | Executive COB | S - Sale | $5.44 | +162.2K | 7.60M | +2% | +$882.1K |
| 2025-12-29 | 2025-12-18 | ASPI | Kiessling Heather | CFO | S - Sale | $5.80 | -80.0K | 732.5K | -10% | -$464.0K | |
| 2025-12-22 | 2025-12-18 | ASPI | Wider Todd | Dir | A - Grant | — | +36.5K | 772.2K | +5% | — | |
| 2025-12-22 | 2025-12-18 | ASPI | Gorley Michael | Dir | A - Grant | — | +36.5K | 117.9K | +45% | — | |
| 2025-12-22 | 2025-12-18 | ASPI | Ryan Robert John Andrew | Dir | A - Grant | — | +36.5K | 652.2K | +6% | — | |
| 2025-12-22 | 2025-12-18 | ASPI | Hunter Ralph L. JR | Dir | A - Grant | — | +36.5K | 47.0K | +349% | — | |
| T | 2025-12-11 | 2025-12-08 | ASPI | Ainscow Robert | COO, Interim CEO | S - Sale | $6.20 | -8,438 | 1.55M | -0.5% | -$52.3K |
| T | 2025-12-03 | 2025-12-01 | ASPI | Mann Paul Elliot | Executive COB, Dir | S - Sale | $5.75 | -162.2K | 7.76M | -2% | -$932.4K |
| 2025-11-28 | 2025-09-06 | ASPI | Hunter Ralph L. JR | Dir | A - Grant | — | +10.5K | 10.5K | New | — | |
| T | 2025-11-28 | 2025-11-25 | ASPI | Ainscow Robert | COO, Interim CEO | S - Sale | $5.77 | -25.0K | 1.55M | -2% | -$144.2K |
| MT | 2025-11-28 | 2025-11-17+ | ASPI | Mann Paul Elliot | Executive Off, Dir | S - Sale | $6.97 | -162.5K | 7.97M | -2% | -$1.13M |
| 2025-11-28 | 2025-08-01 | ASPI | Ainscow Donald George | EVP, Gen Counsel, Sec | A - Grant | — | +400.0K | 500.0K | +400% | — | |
| T | 2025-11-19 | 2025-11-17 | ASPI | Ainscow Robert | COO, Interim CEO | S - Sale | $7.51 | -67.5K | 1.58M | -4% | -$506.9K |
| 2025-11-14 | 2025-11-12 | ASPI | Wider Todd | Dir | A - Grant | — | +25.5K | 735.7K | +4% | — | |
| T | 2025-10-16 | 2025-10-14 | ASPI | Ainscow Robert | COO, Interim CEO | S - Sale | $13.60 | -22.5K | 1.65M | -1% | -$306.0K |
| D | 2025-10-03 | 2025-09-15 | ASPI | Wider Todd | Dir | S - Sale+OE | $8.76 | -74.1K | 710.2K | -9% | -$649.2K |
| D | 2025-10-03 | 2025-09-14 | ASPI | Wider Todd | Dir | F - Tax | $8.77 | -21.9K | 784.3K | -3% | -$192.0K |
| D | 2025-10-03 | 2025-09-14 | ASPI | Wider Todd | Dir | M - OptEx | $2.00 | +96.0K | 806.2K | +14% | +$192.0K |
| 2025-10-02 | 2025-09-30 | ASPI | Gorley Michael | Dir | S - Sale | $9.75 | -64.0K | 81.4K | -44% | -$624.0K | |
| DT | 2025-09-10 | 2025-09-08 | ASPI | Ainscow Robert | COO | S - Sale+OE | $8.53 | -8,438 | 1.41M | -0.6% | -$72.0K |
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Ainscow Robert | COO | M - OptEx | $1.12 | +297.0K | 1.57M | +23% | +$331.5K |
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Ainscow Robert | COO | F - Tax | $8.53 | -38.9K | 1.57M | -2% | -$331.5K |
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | F - Tax | $8.53 | -285.1K | 8.17M | -3% | -$2.43M |
| DMT | 2025-09-10 | 2025-09-08+ | ASPI | Mann Paul Elliot | CEO, Dir, 10% | S - Sale+OE | $8.46 | -162.2K | 7.23M | -2% | -$1.37M |
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | M - OptEx | $2.00 | +1.22M | 8.40M | +17% | +$2.43M |
| 2025-09-03 | 2025-08-29 | ASPI | Moore Duncan | Dir | S - Sale | $9.28 | -75.0K | 994.6K | -7% | -$696.0K | |
| MT | 2025-04-17 | 2025-04-15+ | ASPI | Mann Paul Elliot | CEO, Dir, 10% | S - Sale | $5.61 | -950.0K | 7.63M | -11% | -$5.33M |
| MT | 2025-04-17 | 2025-04-15+ | ASPI | Ainscow Robert | COO | S - Sale | $5.61 | -200.0K | 1.42M | -12% | -$1.12M |
| 2025-04-15 | 2025-04-14 | ASPI | Kiessling Heather | CFO | A - Grant | — | +400.0K | 812.5K | +97% | — | |
| 2025-04-15 | 2025-04-14 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | A - Grant | — | +1.44M | 8.27M | +21% | — | |
| 2025-04-15 | 2025-04-14 | ASPI | Ainscow Robert | COO | A - Grant | — | +400.0K | 1.62M | +33% | — | |
| M | 2024-12-11 | 2024-12-09 | ASPI | Moore Duncan | Dir | A - Grant | — | +172.9K | 1.07M | +19% | — |
| 2024-11-21 | 2024-11-20 | ASPI | Moore Duncan | Dir | A - Grant | — | +42.5K | 896.7K | +5% | — | |
| 2024-11-21 | 2024-11-20 | ASPI | Ryan Robert John Andrew | Dir | A - Grant | — | +42.5K | 614.6K | +7% | — | |
| 2024-11-21 | 2024-11-20 | ASPI | Wider Todd | Dir | A - Grant | — | +42.5K | 710.2K | +6% | — | |
| 2024-11-21 | 2024-11-20 | ASPI | Gorley Michael | Dir | A - Grant | — | +42.5K | 144.4K | +42% | — | |
| I | 2024-10-16 | 2024-10-11 | ASPI | AK Jensen Investment Management Ltd | 10% | A - Grant | $3.03 | +30.0K | 6.75M | +0.4% | +$90.9K |
| 2024-09-10 | 2024-09-06 | ASPI | Ainscow Robert | COO | A - Grant | — | +300.0K | 1.22M | +33% | — | |
| 2024-09-10 | 2024-09-06 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | A - Grant | — | +978.5K | 6.82M | +17% | — | |
| 2024-08-14 | 2024-08-13 | ASPI | Gorley Michael | Dir | A - Grant | — | +8,380 | 101.8K | +9% | — | |
| M | 2024-08-14 | 2024-08-13 | ASPI | Wider Todd | Dir | A - Grant | — | +172.9K | 572.5K | +43% | — |
| MI | 2024-08-05 | 2024-08-01+ | ASPI | AK Jensen Investment Management Ltd | 10% | S - Sale | $2.29 | -111.8K | 6.57M | -2% | -$256.4K |
| 2024-07-15 | 2024-07-15 | ASPI | Mann Paul Elliot | CEO | P - Purchase | — | +40.0K | 5.85M | +0.7% | — | |
| 2024-07-15 | 2024-07-15 | ASPI | Ainscow Robert | COO | P - Purchase | — | +20.0K | 920.0K | +2% | — | |
| MI | 2024-07-10 | 2024-07-08+ | ASPI | AK Jensen Investment Management Ltd | 10% | P - Purchase | $3.18 | +161.8K | 6.59M | +3% | +$515.3K |
| 2024-07-01 | 2024-07-01 | ASPI | Kiessling Heather | CFO | A - Grant | — | +400.0K | 412.5K | +3,200% | — | |
| M | 2024-05-01 | 2024-04-29+ | ASPI | Ryan Robert John Andrew | Dir | P - Purchase | $3.38 | +20.5K | 572.1K | +4% | +$69.5K |
| 2024-04-30 | 2024-04-26 | ASPI | Ryan Robert John Andrew | Dir | P - Purchase | $3.48 | +5,000 | 551.6K | +0.9% | +$17.4K | |
| M | 2024-04-29 | 2024-04-25 | ASPI | Ryan Robert John Andrew | Dir | P - Purchase | $3.42 | +9,500 | 546.6K | +2% | +$32.5K |
| 2024-02-26 | 2023-10-23 | ASPI | Gorley Michael | Dir | A - Grant | — | +93.5K | 93.5K | New | — | |
| 2024-02-26 | 2024-01-14 | ASPI | Ryan Robert John Andrew | Dir | A - Grant | — | +50.3K | 518.7K | +11% | — | |
| M | 2024-02-26 | 2024-01-16+ | ASPI | Ryan Robert John Andrew | Dir | P - Purchase | $2.29 | +18.3K | 521.5K | +4% | +$42.0K |
| 2023-10-30 | 2023-10-26 | ASPI | Wider Todd | Dir | P - Purchase | $0.96 | +94.8K | 494.8K | +24% | +$91.1K | |
| 2023-10-30 | 2023-10-26 | ASPI | Donfeld Joshua Jay | Dir | P - Purchase | $0.96 | +104.2K | 1.10M | +10% | +$100.0K | |
| 2023-10-30 | 2023-10-26 | ASPI | Moore Duncan | Dir | P - Purchase | $0.96 | +104.2K | 854.2K | +14% | +$100.0K | |
| 2023-10-30 | 2023-08-10 | ASPI | Moore Duncan | Dir | A - Grant | $0.00 | +200.0K | 750.0K | +36% | $0 | |
| M | 2023-07-03 | 2023-06-29 | ASPI | Moore Duncan | Dir | P - Purchase | $0.5 | +100.0K | 500.0K | +25% | +$50.0K |
| 2023-05-19 | 2023-05-18 | ASPI | Moore Duncan | Dir | P - Purchase | $0.31 | +20.0K | 450.0K | +5% | +$6,200 | |
| 2023-05-16 | 2023-05-10 | ASPI | Moore Duncan | Dir | P - Purchase | $0.5 | +10.0K | 430.0K | +2% | +$5,000 | |
| 2023-04-11 | 2023-04-06 | ASPI | Moore Duncan | Dir | P - Purchase | $1.00 | +20.0K | 420.0K | +5% | +$20.0K | |
| 2023-03-08 | 2023-03-01 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | A - Grant | $0.00 | +718.1K | 5.81M | +14% | $0 | |
| I | 2023-03-08 | 2023-03-01 | ASPI | Vasnetsov Sergey | Dir | A - Grant | $0.00 | +538.6K | 3.84M | +16% | $0 |
| I | 2023-02-22 | 2022-12-30 | ASPI | Vasnetsov Sergey | Dir | A - Grant | $0.00 | +500.0K | 3.30M | +18% | $0 |
| 2023-02-17 | 2022-12-30 | ASPI | Ainscow Robert | CFO | A - Grant | $0.00 | +50.0K | 900.0K | +6% | $0 | |
| 2023-02-17 | 2022-12-30 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | A - Grant | $0.00 | +1.00M | 5.09M | +24% | $0 | |
| 2022-11-16 | 2022-11-15 | ASPI | Donfeld Joshua Jay | Dir | A - Grant | $0.00 | +200.0K | 1.00M | +25% | $0 | |
| 2022-11-16 | 2022-11-15 | ASPI | Moore Duncan | Dir | A - Grant | $0.00 | +200.0K | 400.0K | +100% | $0 | |
| 2022-11-16 | 2022-11-15 | ASPI | Wider Todd | Dir | A - Grant | $0.00 | +200.0K | 400.0K | +100% | $0 | |
| I | 2022-11-16 | 2022-11-15 | ASPI | Vasnetsov Sergey | Dir | A - Grant | $0.00 | +600.0K | 2.80M | +27% | $0 |
| 2022-11-16 | 2022-11-15 | ASPI | Ainscow Robert | CFO | A - Grant | $0.00 | +600.0K | 850.0K | +240% | $0 | |
| I | 2022-11-16 | 2022-11-15 | ASPI | Strydom Hendrik | Dir, 10% | A - Grant | $0.00 | +200.0K | 3.80M | +6% | $0 |
| M | 2022-11-15 | 2022-11-15 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | A - Grant | $0.1446 | +1.04M | 4.09M | +34% | +$150.0K |
Purchase Sale Sale after option exercise All abbreviations