[Form 4] MAGNACHIP SEMICONDUCTOR Corp Insider Trading Activity

Rhea-AI Filing Summary

Magnachip Semiconductor Corp. director reports stock acquisition

A director of Magnachip Semiconductor Corp. (MX) reported acquiring 3,160 shares of common stock on 11/15/2025 at a stated price of $0.00 per share, which typically reflects a grant rather than an open-market purchase. Following this transaction, the director beneficially owns 97,843 shares of Magnachip common stock in direct ownership. This filing is a routine Form 4 disclosure of insider equity activity and does not, by itself, describe any change to the company’s operations or financial results.

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

OMB APPROVAL

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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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Chung Kyo-Hwa Liz

(Last) (First) (Middle)

C/O MAGNACHIP SEMICONDUCTOR, LTD.,

108, YEOUI-DAERO, YEONGDEUNGPO-GU

(Street)

SEOUL M5 07335

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/15/2025		A		3,160	A	$0.00	97,843	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Shin Young Park	11/17/2025
	** 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 4 (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.

FAQ

What insider transaction did Magnachip Semiconductor (MX) report in this Form 4?

A director of Magnachip Semiconductor Corp. (MX) reported acquiring 3,160 shares of common stock on 11/15/2025, as disclosed in Table I of the filing.

At what price were the Magnachip (MX) shares acquired by the director?

The 3,160 shares of Magnachip common stock were reported as acquired at a stated price of $0.00 per share, indicating they were likely granted rather than bought on the open market.

How many Magnachip (MX) shares does the director own after this transaction?

After the reported transaction, the director beneficially owns 97,843 shares of Magnachip Semiconductor Corp. common stock, held in direct ownership.

What is the reporting person’s relationship to Magnachip Semiconductor Corp. (MX)?

The reporting person is identified as a Director of Magnachip Semiconductor Corp. (MX), as indicated in the relationship section of the form.

Is this Magnachip (MX) Form 4 filed by one or multiple reporting persons?

The Form 4 is indicated as filed by one reporting person, according to the selection in the Individual or Joint/Group Filing section.

Does this Magnachip (MX) Form 4 involve any derivative securities like options or warrants?

The Table II section for derivative securities is present but contains no reported derivative transactions in the excerpt provided.