CIK 0001921865 · <br>Emerging growth company
ASP Isotopes Inc.
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- ASPI
- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 872618235
- Phone
- 202-756-2245
- Business address
- 2200 ROSS AVENUE, SUITE 4575E, DALLAS, TX, 75201
- Open-market buys, last 90 days
- $61,800
- in 2 filings
- Open-market sales, last 90 days
- $1,320,558
- in 6 filings, $1.2M under 10b5-1 plans
Net −$1,258,758. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-04 | Mann Paul Elliot Chairman and CEO | Sale 10b5-1 | −83,759 | $4.10 | $343K | 9,328,570 |
| 2026-09-03 | Mann Paul Elliot Chairman and CEO | Sale 10b5-1 | −83,758 | $3.92 | $328K | 9,412,329 |
| 2026-09-02 | Mann Paul Elliot Chairman and CEO | Sale 10b5-1 | −83,758 | $3.91 | $327K | 9,496,087 |
| 2026-06-03 | Mann Paul Elliot Chairman and CEO | Sale 10b5-1 | −83,759 | $7.76 | $650K | 9,579,845 |
| 2026-06-02 | Mann Paul Elliot Chairman and CEO | Sale 10b5-1 | −83,758 | $8.29 | $694K | 9,663,424 |
| 2026-06-01 | Mann Paul Elliot Chairman and CEO | Sale 10b5-1 | −83,758 | $7.88 | $660K | 9,747,182 |
| 2026-05-28 | Mann Paul Elliot Chairman and CEO | Grant or award 10b5-1 | +2,233,555 | 9,830,940 | ||
| 2026-03-02 | Mann Paul Elliot Executive Chairman | Sale 10b5-1 | +162,153 | $5.44 | $881K | 7,597,385 |
| 2025-12-01 | Mann Paul Elliot Executive Chairman | Sale 10b5-1 | −162,153 | $5.75 | $933K | 7,759,538 |
| 2025-11-25 | Mann Paul Elliot Executive Officer | Sale 10b5-1 | −50,000 | $5.77 | $288K | 7,921,691 |
| 2025-11-17 | Mann Paul Elliot Executive Officer | Sale 10b5-1 | −112,500 | $7.51 | $845K | 7,971,691 |
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Option exercise 10b5-1 | +216,000 | $2.00 | $432K | 7,450,378 |
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Shares withheld for taxes 10b5-1 | −50,644 | $8.53 | $432K | 7,399,734 |
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Option exercise 10b5-1 | +1,000,000 | $2.00 | $2.0M | 8,399,734 |
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Shares withheld for taxes 10b5-1 | −234,466 | $8.53 | $2.0M | 8,165,268 |
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −81,077 | $8.39 | $680K | 8,084,191 |
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −216,000 | 0 | ||
| 2025-09-09 | Mann Paul Elliot Chief Executive Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −1,000,000 | 0 | ||
| 2025-09-08 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −81,076 | $8.53 | $691K | 7,234,378 |
| 2025-04-17 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −316,666 | $5.62 | $1.8M | 7,315,454 |
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