Key facts
- This page summarizes Phieu Phun's Form 4 filing for Ionetix Corp / DE /.
- 5 reported transactions and 5 derivative rows are listed below.
- Accepted by SEC: 22 Apr 2026, 13:11.
Phieu Phun - 09 Apr 2026 Form 4 Insider Report for Ionetix Corp / DE /
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- N/A
- Reported as of
- 09 Apr 2026
- Net transaction value
- $0
- Reporting owner signature
- /s/ Phieu Phun
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
Phieu Phun filed Form 4 for Ionetix Corp / DE / on 22 Apr 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002129896
Primary reporting owner
Phun Phieu
- Relationship
- Chief Financial Officer
- Address
- C/O IONETIX CORPORATION, 3130 SOVEREIGN DRIVE, LANSING
- Signature
- /s/ Phieu Phun
- Signature date
- 21 Apr 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
- +523,312
- Change %
- Price
- Shares after
- 523,312
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 523,312
- Exercise price
- $0.6400
- Footnotes
- F1, F2
No ticker
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +130,828
- Change %
- Price
- Shares after
- 130,828
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 130,828
- Exercise price
- $0.6200
- Footnotes
- F2, F3
No ticker
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +130,364
- Change %
- Price
- Shares after
- 130,364
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 130,364
- Exercise price
- $0.9800
- Footnotes
- F2, F4
No ticker
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +130,364
- Change %
- Price
- Shares after
- 130,364
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 130,364
- Exercise price
- $0.9800
- Footnotes
- F2, F5
No ticker
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +200,560
- Change %
- Price
- Shares after
- 200,560
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 200,560
- Exercise price
- $2.17
- Footnotes
- F2, F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 6 footnotes
Footnote F1
The stock option vests in 48 monthly installments beginning on April 11, 2023.
Footnote F2
Received in connection with the Merger in exchange for options to acquire shares of Legacy Ionetix common stock adjusted by the Conversion Ratio.
Footnote F3
The stock option vests in 48 monthly installments beginning on January 15, 2025.
Footnote F4
The stock option vests in 48 monthly installments beginning on March 27, 2026.
Footnote F5
The stock option vests in 48 monthly installments beginning on March 17, 2026.
Footnote F6
The stock option vests in 48 monthly installments beginning on March 31, 2027.