Chae Lee - 01 Jul 2026 Form 4 Insider Report for MAGNACHIP SEMICONDUCTOR Corp (MX)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: MX
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Jul 2026, 16:40:03 UTC
Source filing: View source filing
Reporting owner signature: /s/ Shinyoung Park, Attorney-in-Fact

Key filing fact

Chae Lee filed Form 4 for MAGNACHIP SEMICONDUCTOR Corp (MX) on 06 Jul 2026.

Key facts

This page summarizes Chae Lee's Form 4 filing for MAGNACHIP SEMICONDUCTOR Corp (MX).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Jul 2026, 16:40.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001548322 Primary reporting owner

LEE CHAE

Relationship: Chief Executive Officer, Director
Address: C/O MAGNACHIP SEMICONDUCTOR, LTD., 108, YEOUI-DAERO, YEONGDEUNGPO-GU, SEOUL, KOREA, REPUBLIC OF
Signature: /s/ Shinyoung Park, Attorney-in-Fact
Signature date: 06 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MX transaction

Common Stock

Award

Transaction value
Shares: +288,750
Change %
Price: $0.000000^*
Shares after: 288,750
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

MX transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +148,750
Change %
Price: $0.000000^*
Shares after: 148,750
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 148,750
Exercise price: $5.50
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

In accordance with his appointment as the Issuer's Chief Executive Officer and principal executive officer and as a director of the Issuer, Mr. Lee was granted an initial equity award under the Issuer's 2020 Equity Incentive Plan (as amended). Each grant will vest over four years, with a one-year cliff vesting period, subject to Mr. Lee's continued service through each applicable vesting date.

Footnote F2

See above explanation.

SEC remarks

On June 26, 2026, the Issuer's Board of Directors appointed Mr. Chae Lee to serve as Issuer's Chief Executive Officer and principal executive officer effective July 1, 2026, and also appointed him to serve as a director, effective July 1, 2026.