SEC FORM 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person ^*

GROSSO CHRISTOPHER G

(Last)

(First)

(Middle)

4137 COMMERCE CIRCLE

(Street)

IDAHO FALLS

83401

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
RADNOSTIX INC [ INIS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Convertible Promissory Note ⁽¹⁾	$ 0.07	06/26/2026		P		$ 500,000 ⁽²⁾		06/26/2026	06/30/2031	Common Stock	7,142,857 ⁽²⁾	$ 500,000	$ 500,000 ⁽²⁾	I	By Kershner Grosso & Co. ⁽³⁾

Explanation of Responses:

1. Radnostix, Inc. (the "Company") entered into a convertible promissory note agreement (the "Note") with Kershner, Grosso & Co. ("Lender").The Note is in the principal amount of $500,000, bears simple interest at a fixed rate of 5% per annum with interest payable annually on each anniversary date of the Note. For the first two years, the Company may pay interest either in cash or in kind ("PIK Interest"). If the Company elects to PIK Interest, such PIK Interest is added to then outstanding principal for purposes of calculating future interest accruals. The Lender has the right to convert all or any portion of outstanding principal and accrued interest into shares of the Company's Common Stock at a conversion price of $0.07 per share subject to customary anti-dilution adjustments. The Company has the right to force conversion of the Note if the volume weighted-average closing price over thirty consecutive trading days is greater than $0.12 per share. The Note has a maturity date of June 3

2. The number of shares underlying the Note reflects the conversion of $500,000 principal at $0.07 per share, rounded down to the nearest whole share (7,142,857 shares); accrued interest is not reflected. The common stock issuable upon conversion may vary based on accrued interest and any applicable adjustments.

3. By Kershner, Grosso & Co., a company owned and controlled by the registrant.

	/s/ Shahe Bagerdjian, Attorney-in-fact	06/30/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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