MAGNACHIP CEO Chae Lee files initial Form 3

MAGNACHIP SEMICONDUCTOR Corp director and Chief Executive Officer Chae Lee filed an initial Form 3 as a reporting person for the company.

Accepted by SEC EDGAR 07/06/2026 - 04:15 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

MAGNACHIP SEMICONDUCTOR Corp director and Chief Executive Officer Chae Lee filed an initial Form 3 as a reporting person for the company. This filing establishes insider reporting status but shows no reported purchases, sales, exercises, gifts, or other transactions in company securities.

Key Figures

Reported insider transactions: 0 transactions Net buy/sell direction: neutral

2 metrics

Reported insider transactions 0 transactions Form 3 transaction summary for MAGNACHIP SEMICONDUCTOR Corp

Net buy/sell direction neutral Form 3 netBuySellDirection field

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does MAGNACHIP SEMICONDUCTOR (MX) CEO Chae Lee report on this Form 3?

The Form 3 identifies Chae Lee as a director and Chief Executive Officer of MAGNACHIP SEMICONDUCTOR Corp. It establishes insider reporting status but does not list any specific holdings, trades, or derivative positions in this excerpt.

Does the MAGNACHIP SEMICONDUCTOR (MX) Form 3 show any insider stock transactions?

No. The transaction summary shows zero buys, zero sells, zero exercises, and no other transactions. This Form 3 functions purely as an initial insider reporting statement without recording any trading activity in MAGNACHIP SEMICONDUCTOR securities.

What roles does Chae Lee hold at MAGNACHIP SEMICONDUCTOR (MX) in this filing?

Chae Lee is reported as both a director and an officer, with the officer title of Chief Executive Officer. The filing does not classify Lee as a ten percent owner, focusing instead on these leadership roles within MAGNACHIP SEMICONDUCTOR Corp.

Does this MAGNACHIP SEMICONDUCTOR (MX) Form 3 include any derivative securities information?

No derivative positions are listed in this excerpt. The derivative summary is empty, and derivativeTransactionCount is zero, indicating no options, warrants, or similar instruments are reported in connection with this initial Form 3 filing.

What does the transaction summary indicate in the MAGNACHIP SEMICONDUCTOR (MX) Form 3?

The transaction summary records zero buys, zero sells, zero exercises, and no gifts or restructurings, with netBuySellDirection described as neutral. This confirms the filing is informational about insider status rather than documenting specific transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

OMB APPROVAL

OMB Number:			3235-0104
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1. Name and Address of Reporting Person^*

LEE CHAE

(Last) (First) (Middle)

C/O MAGNACHIP SEMICONDUCTOR, LTD.

108, YEOUI-DAERO, YEONGDEUNGPO-GU

(Street)

SEOUL 07335

(City) (State) (Zip)

KOREA, REPUBLIC OF

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2026

3. Issuer Name and Ticker or Trading Symbol
MAGNACHIP SEMICONDUCTOR Corp [ MX ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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. Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Shinyoung Park, Attorney-in-Fact	07/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)