[Form 4] Magnachip Semiconductor Corp. Insider Trading Activity

Rhea-AI Filing Summary

Magnachip Semiconductor Corp. (MX) filed a Form 4 disclosing that director Ilbok Lee acquired 55,845 shares of common stock on July 1 2025. The transaction was coded "A" (acquisition) and carries a stated price of $0, indicating a grant, award or other non-cash issuance. Following the transaction, Lee’s direct ownership increased to 275,026 shares. No derivative securities were involved, and there were no dispositions.

The filing signals a meaningful expansion of an insider’s equity stake and may be interpreted by investors as a vote of confidence in the company’s prospects.

Positive

• Director Ilbok Lee acquired 55,845 common shares, increasing his stake to 275,026 shares, a roughly 25% rise in personal ownership.
• No shares were sold, reinforcing a net increase in insider holdings and a potentially positive signal to the market.

Negative

• None.

Insights

Financial Analyst

TL;DR: Director added 55.8K shares, raising stake to 275K—generally a bullish insider signal.

The Form 4 shows director Ilbok Lee receiving 55,845 Magnachip shares via a zero-cost grant on 1 July 2025. The award lifts his direct holdings by roughly 25% (from ~219k to 275k shares), aligning his interests more closely with shareholders. Although the transaction is not an open-market purchase, the larger ownership position still reflects confidence and can reduce agency risk. No sales or derivative activity were reported, and the filing contains no adverse disclosures. Overall impact is modestly positive for sentiment but has limited financial effect given the company’s ~38 million shares outstanding.

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

OMB Number:			3235-0287
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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^*

MARTINO CAMILLO

(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)
07/01/2025

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	07/01/2025		A		53,247	A	$0	229,127	D
Common Stock								40,000	I	By Trust

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/ Theodore Kim, Attorney-in-Fact	07/03/2025
	** 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

How many Magnachip (MX) shares did Director Ilbok Lee acquire?

He acquired 55,845 shares of common stock.

What is Ilbok Lee’s total Magnachip shareholding after the transaction?

Following the grant, he directly owns 275,026 shares.

When did the insider acquisition occur?

The transaction date is listed as July 1 2025 on Form 4.

Was any cash paid for the shares?

The Form 4 indicates a $0 purchase price, suggesting the shares were granted rather than bought on the open market.

Were any derivative securities reported in this filing?

No, Table II shows no derivative securities acquired or disposed of.