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 |
|---|---|---|---|---|---|---|
| 2025-09-09 | 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 | Ainscow Robert Chief Operating Officer | Sale 10b5-1 | −8,438 | $8.53 | $72K | 1,411,554 |
| 2025-09-08 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −81,076 | $8.53 | $691K | 7,234,378 |
| 2025-09-06 | Hunter Ralph L. JR Director | Grant or award | +10,470 | 10,470 | ||
| 2025-08-29 | Moore Duncan Director | Sale | −75,000 | $9.28 | $696K | 994,553 |
| 2025-08-01 | Ainscow Donald George EVP, Gen Counsel, Secretary | Grant or award | +400,000 | 500,000 | ||
| 2025-04-17 | Ainscow Robert Chief Operating Officer | Sale 10b5-1 | −66,668 | $5.62 | $375K | 1,419,992 |
| 2025-04-17 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −316,666 | $5.62 | $1.8M | 7,315,454 |
| 2025-04-16 | Ainscow Robert Chief Operating Officer | Sale 10b5-1 | −66,666 | $5.45 | $363K | 1,486,660 |
| 2025-04-16 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −316,667 | $5.45 | $1.7M | 7,632,120 |
| 2025-04-15 | Ainscow Robert Chief Operating Officer | Sale 10b5-1 | −66,666 | $5.75 | $384K | 1,553,326 |
| 2025-04-15 | Mann Paul Elliot Chief Executive Officer | Sale 10b5-1 | −316,667 | $5.75 | $1.8M | 7,948,787 |
| 2025-04-14 | Ainscow Robert Chief Operating Officer | Grant or award | +400,000 | 1,619,992 | ||
| 2025-04-14 | Kiessling Heather Chief Financial Officer | Grant or award | +400,000 | 812,500 | ||
| 2025-04-14 | Mann Paul Elliot Chief Executive Officer | Grant or award | +1,441,361 | 8,265,454 | ||
| 2024-12-09 | Moore Duncan Director | Grant or award | +77,626 | 974,315 |
Page 4 of 7 · 135 trades