RADNOSTIX, INC. INIS · USD

Radnostix Inc. (the “Company”, “we”, “us” and “our”) manufactures a wide range of radioisotope-focused products used in variety of medical and industrial applications. We were formed as a Texas corporation in 1995. On December 23, 2025, we filed a Certificate of Amendment in the state of Texas for the sole purpose of amending our Certificate of Formation to change our corporate name from International Isotopes Inc. to Radnostix, Inc. Our board of directors approved the name change on October 21, 2025, and a majority of shareholders approved the name change by written consent on November 25, 2025.

Our wholly-owned subsidiaries are International Isotopes Idaho Inc., a Texas corporation; International Isotopes Fluorine Products, Inc., an Idaho corporation; International Isotopes Transportation Services, Inc., an Idaho corporation; RadQual, LLC, a limited liability company (RadQual); RadVent, LLC, a limited liability company; and TI Services, LLC, a limited liability company (TI Services). Our core business consists of five reportable segments which include: Theranostics Products, Cobalt Products, Calibration & Reference Products (previously called Nuclear Medicine Standards), Medical Devices, and Fluorine Products.

Quoted from its 10-K, filed 31 Mar 2026. Read the filing on SEC.gov ↗