ASP Isotopes Inc. (ASPI)
NASDAQ: ASPI · Real-Time Price · USD
5.24
-0.41 (-7.26%)
At close: Apr 28, 2026, 4:00 PM EDT
5.24
0.00 (0.00%)
After-hours: Apr 28, 2026, 4:10 PM EDT

Company Description

ASP Isotopes Inc., a development stage advanced materials company, engages in the production, distribution, marketing, and sale of isotopes in South Africa,Hong Kong, and United States.

It operates in two segments, Nuclear Fuels, and Specialist Isotopes and Related Services. The Nuclear Fuels segment focuses on the research and development of technologies and methods used to produce high-assay low-enriched uranium (HALEU) and Lithium-6 for the advanced nuclear fuels target end market.

Its Specialist Isotopes and Related Services segment engages in the research and development of technologies and methods used to separate high-value, low-volume isotopes, such as C-14, Mo-100 and Si-28, for target end markets, including pharmaceuticals and agrochemicals, nuclear medical imaging, and semiconductors; provision of related services; and operation of PET labs.

The company offers the Aerodynamic Separation Process (ASP) technology, which separates gas species and isotopes in a volatile state; and the Quantum Enrichment (QE) technology, which separates isotopes.

It also produces and commercializes Molybdenum-100, Molybdenum-98, and Ytterbium-176 for the nuclear medical industry.

In addition, the company develops Zinc-68, Nickel-64, and Xenon-129/136 for the nuclear medical industry; Lithium-7, Uranium-235, and Chlorine-37 for the energy industry; and Germanium-70/72/74 for semiconductor markets.

The company was incorporated in 2021 and is based in Dallas, Texas.

ASP Isotopes Inc.
ASP Isotopes logo
Country United States
Founded 2021
IPO Date Nov 10, 2022
Industry Chemicals
Sector Materials
Employees 271
CEO Paul Mann

Contact Details

Address:
2200 Ross Avenue, Suite 4575E
Dallas, Texas 75201
United States
Phone 214 432 8219
Website aspisotopes.com

Stock Details

Ticker Symbol ASPI
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
IPO Price $4.00
CIK Code 0001921865
CUSIP Number 00218A105
ISIN Number US00218A1051
Employer ID 87-2618235
SIC Code 2890

Key Executives

Name Position
Dr. Gerdus Kemp M.D., Ph.D. Medical Director and Chief Executive Officer of Pet Labs
Paul Elliot Mann C.F.A. Executive Chairman and Chief Executive Officer
Heather Kiessling Chief Financial Officer
Robert Ainscow Chief Operating Officer
Dr. Hendrik Strydom B. Sc, M. Sc, Ph.D. Chief Technology Officer
Nicholas Michael Mitchell Co-Chief Operating Officer
Donald George Ainscow EVice President, General Counsel and Secretary
Hendrik T. van Wyk Head of Engineering
Dr. Xandra van Heerden Ph.D. Head of Research and Development
Stefano Marani President of Electronics and Space

Latest SEC Filings

Date Type Title
Apr 27, 2026 SCHEDULE 13G/A Filing
Apr 17, 2026 144 Filing
Apr 16, 2026 144 Filing
Apr 15, 2026 144 Filing
Apr 13, 2026 144 Filing
Apr 13, 2026 8-K Current Report
Apr 10, 2026 10-K Annual Report
Apr 10, 2026 8-K Current Report
Mar 31, 2026 NT 10-K Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405
Mar 26, 2026 SCHEDULE 13G/A Filing