ASP Isotopes Inc.
Last updated September 27, 2026
Organization details
- Legal name
- ASP Isotopes Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- ASPI
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001921865
Board of directors
-
Duncan Moore · DirectorSince 2023
-
Joshua Jay Donfeld · DirectorSince 2023
-
Michael Gorley · DirectorSince 2023
-
Paul Elliot Mann · Director · Chairman and CEOSince 2023
-
Ralph L. Hunter Jr. · DirectorSince 2025
-
Robert John Andrew Ryan · DirectorSince 2024
-
Sergey Vasnetsov · DirectorSince 2023
-
Todd Wider · DirectorSince 2023
Chief executives
Paul Elliot Mann
· Chief Executive Officer
Dates unknown
Board connections
3 of this board's directors also sit on 3 other boards.
- via Duncan Moore
- via Ralph L. Hunter Jr.
- via Paul Elliot Mann
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $9,137,831
- 24 sales by 7 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 1, 2026 | Kiessling Heather Officer (Chief Financial Officer) | Open-market sale | −23,124 | $6.28 | $145,219 |
| Jun 30, 2026 | Michael Gorley Director | Open-market sale | −30,000 | $6.27 | $188,100 |
| Jun 30, 2026 | Ainscow Donald George Officer (EVP, Gen Counsel, Secretary) | Open-market sale | −100,000 | $6.14 | $614,000 |
| Jun 30, 2026 | Todd Wider Director | Open-market sale | −50,000 | $6.12 | $306,000 |
| Jun 29, 2026 | Todd Wider Director | Open-market sale | −50,000 | $6.25 | $312,500 |
| Jun 8, 2026 | Ainscow Robert Officer (COO) | Open-market sale | −8,438 | $7.00 | $59,066 |
| Jun 3, 2026 | Paul Elliot Mann Director, Officer (Chairman and CEO) | Open-market sale | −83,759 | $7.76 | $649,970 |
| Jun 2, 2026 | Paul Elliot Mann Director, Officer (Chairman and CEO) | Open-market sale | −83,758 | $8.29 | $694,354 |
| Jun 1, 2026 | Paul Elliot Mann Director, Officer (Chairman and CEO) | Open-market sale | −83,758 | $7.88 | $660,013 |
| May 28, 2026 | Paul Elliot Mann Director, Officer (Chairman and CEO) | Grant or award | +2,233,555 | — | — |
| May 28, 2026 | Ainscow Robert Officer (Chief Operating Officer) | Grant or award | +800,000 | — | — |
| May 28, 2026 | Ainscow Donald George Officer (EVP, Gen Counsel, Secretary) | Grant or award | +400,000 | — | — |
| May 28, 2026 | Kiessling Heather Officer (Chief Financial Officer) | Grant or award | +840,000 | — | — |
| Apr 16, 2026 | Ainscow Robert Officer (COO) | Open-market sale | −22,500 | $5.21 | $117,225 |
| Apr 16, 2026 | Duncan Moore Director | Open-market sale | −11,642 | $5.21 | $60,655 |
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