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RADNOSTIX, INC.
4137 Commerce Circle
Phone: (208) 524-5300p:208 524-5300 IDAHO FALLS, ID  83401  United States Ticker: INISINIS
Business Summary
Radnostix, Inc., formerly International Isotopes Inc., manufactures a wide range of radioisotope-focused products. The Company manufactures and supplies generic sodium iodide I-131 radio-pharmaceutical drug product for hyperthyroidism and thyroid cancer. The Company provides contract manufacturing of various drug products as well as radioisotope active pharmaceutical ingredient (API) supply for third party theranostics clients. The Company manufactures and distributes a complete line of calibration and reference standards for nuclear pharmacies and single photon emission computed tomography (SPECT)/positron emission tomography (PET) imaging systems as well as industrial calibration standards under its RadQual brand. The Company also manufactures Cobalt-60 sealed source products.

Scores and Ratings
FRISK®
Score		 Z''
Score		 PAYCE®
Score		 DBT
Index		 Moody's
Rating		 Fitch
Rating		 DBRS
Rating
YesYes-Yes---

Financials, News and Filings
Latest
Statement		 Last
Audit
News		 SEC
Filings		 Bankruptcy
Filings		 Suit &
Judgment
Filings		 Tax
Lien
Filings
9/30/202512/31/2024YesYes---

Industries
SIC Code Description
3823 Industrial instruments for measurement, display, and control of processes
3844 X-ray apparatus and tubes and related irradiation apparatus
2834 Pharmaceutical preparations

Officers and Directors

Title
Name
Age		 Title
Date		 Start
Date
Independent Chairman of the Board Christopher G.Grosso 57 7/1/2017 4/24/2002
President, Chief Executive Officer, Director ShaheBagerdjian 41 9/1/2023 5/8/2023
Chief Financial Officer, Secretary W. MatthewCox 41 9/30/2019 9/30/2019
3 additional Officers and Directors records available in full report.

Subsidiaries
Business Name Address City State/Province Country
RadQual, LLC 220 Loudon Road Concord NH United States

Business Names
Business Name
INIS
International Isotopes Fluorine Products Inc.
International Isotopes Idaho Inc.
6 additional Business Names available in full report.

General Information
Number of Employees: 41 (As of 12/31/2024)
Outstanding Shares: 528,209,538 (As of 11/24/2025)
Shareholders: 458
Stock Exchange: OTC
Federal Tax Id: 742763837
Fax Number: (208) 524-1411


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Tuesday, February 3, 2026