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 |
|---|---|---|---|---|---|---|
| 2025-11-17 | Ainscow Robert Interim CEO and COO | Sale 10b5-1 | −67,500 | $7.51 | $507K | 1,579,693 |
| 2025-11-12 | Moore Duncan Director | Grant or award 10b5-1 | +25,469 | 1,020,022 | ||
| 2025-11-12 | Wider Todd Director | Grant or award | +25,469 | 735,699 | ||
| 2025-10-14 | Ainscow Robert Interim CEO and COO | Sale 10b5-1 | −22,500 | $13.60 | $306K | 1,647,193 |
| 2025-09-30 | Gorley Michael Director | Sale | −64,000 | $9.75 | $624K | 81,360 |
| 2025-09-15 | Wider Todd Director | Sale | −74,108 | $8.76 | $649K | 710,230 |
| 2025-09-14 | Wider Todd Director | Option exercise | +96,000 | $2.00 | $192K | 806,230 |
| 2025-09-14 | Wider Todd Director | Shares withheld for taxes | −21,892 | $8.77 | $192K | 784,338 |
| 2025-09-14 | Wider Todd Director | Option exercise · Stock Option (right to buy) | −96,000 | 0 | ||
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Option exercise 10b5-1 | +150,000 | $0.25 | $38K | 1,564,554 |
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Shares withheld for taxes 10b5-1 | −4,396 | $8.53 | $37K | 1,557,158 |
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Option exercise 10b5-1 | +12,000 | $2.00 | $24K | 1,569,158 |
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Shares withheld for taxes 10b5-1 | −2,813 | $8.53 | $24K | 1,566,345 |
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Option exercise 10b5-1 | +135,000 | $2.00 | $270K | 1,701,345 |
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Shares withheld for taxes 10b5-1 | −31,652 | $8.53 | $270K | 1,669,693 |
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −150,000 | 0 | ||
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −12,000 | 0 | ||
| 2025-09-09 | Ainscow Robert Chief Operating Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −135,000 | 0 | ||
| 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 |
Page 3 of 7 · 135 trades