Tarnok Michael P. - 23 Oct 2026 Form 4 Insider Report for Ionetix Corp / DE /

Reporting relationship: Director
Issuer ticker: N/A
Reported as of: 23 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Oct 2026, 19:00:25 UTC
Prior SEC filing: 27 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Phieu Phun, as Attorney-in-Fact for Tarnok Michael P.

Filing notes and source

Key filing fact

Tarnok Michael P. filed Form 4 for Ionetix Corp / DE / on 27 Oct 2026.

Key facts

This page summarizes Tarnok Michael P.'s Form 4 filing for Ionetix Corp / DE /.
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 27 Oct 2026, 19:00.

Change

Previous filing in this sequence was filed on 27 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001413525 Primary reporting owner

Tarnok Michael P.

Relationship: Director
Address: C/O IONETIX CORPORATION, 3130 SOVEREIGN DRIVE, LANSING
Signature: /s/ Phieu Phun, as Attorney-in-Fact for Tarnok Michael P.
Signature date: 27 Oct 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

No ticker transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +100,000
Change %
Price: $0.000000^*
Shares after: 100,000
Date: 23 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 100,000
Exercise price: $3.00
Footnotes: F1

No ticker transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +15,000
Change %
Price: $0.000000^*
Shares after: 15,000
Date: 23 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 15,000
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The stock option vests on October 23, 2027, one year from the date of grant, subject to the Reporting Person's continuing service through the vesting date.

Footnote F2

Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Issuer Common Stock.

Footnote F3

The shares of Common Stock underlying the RSU award granted under the Issuer's 2026 Equity Incentive Plan will vest, and be delivered to the Reporting Person, on January 1 following the year in which the award is granted, subject to the Reporting Person's continued service through the vesting date.