MX insider filing: 105,484 RSUs to CEO; vest by Aug 11, 2026

Rhea-AI Filing Summary

Camillo Martino, identified as a Director and an Officer (listed as Chairman and CEO in remarks), reported an insider grant on 10/01/2025. The Form 4 shows an award of 105,484 restricted stock units (RSUs) granted with a reported price of $0.00, increasing his direct beneficial ownership to 364,611 shares. The RSUs vest in full on the earlier of August 11, 2026 or a Change of Control as defined under the company plan. The filing also discloses 40,000 shares held indirectly by trust. The form is signed and dated 10/03/2025.

Positive

• 105,484 RSUs granted to the CEO, indicating managerial alignment with shareholders
• Direct beneficial ownership increased to 364,611 shares, showing meaningful insider stake
• RSUs vest in full by August 11, 2026 or upon a Change of Control, tying compensation to tenure or transaction outcomes
• 40,000 shares held indirectly by trust disclosed, clarifying ownership structure

Negative

• None.

Insights

Corporate Governance & Compensation Expert

TL;DR: CEO received 105,484 RSUs vesting by Aug 11, 2026, raising direct holdings to 364,611 shares.

The Form 4 documents a senior executive equity award dated 10/01/2025 showing 105,484 RSUs granted at a reported price of $0.00. The grant is subject to vesting that accelerates upon a defined Change of Control or on August 11, 2026, indicating a time-based retention element combined with a transaction-based acceleration clause.

The reporting person is identified as both a Director and an Officer (Chairman and CEO). Post-grant, direct beneficial ownership is reported at 364,611 shares with an additional 40,000 shares indirectly held by trust, quantifying current insider holdings disclosed in the filing.

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).

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
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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	10/01/2025		A		105,484(1)	A	$0.00	364,611	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:

1. Represents restricted stock units ("RSUs") granted to the reporting person in connection with his appointment as Interim Chief Executive Officer. The RSUs vest in full on the earliest of: (i) August 11, 2026 or (ii) a Change of Control (as defined in the Issuer's 2020 Equity and Incentive Compensation Plan).

Remarks:

Chairman and CEO

	/s/ Camillo Martino	10/03/2025
	** 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

What did Camillo Martino report on the Form 4 for Magnachip (MX)?

He reported a grant of 105,484 restricted stock units (RSUs) on 10/01/2025, increasing direct ownership to 364,611 shares and disclosing 40,000 shares held indirectly by trust.

When do the RSUs granted to the CEO vest?

The RSUs vest in full on the earlier of August 11, 2026 or upon a Change of Control as defined under the company’s equity plan.

What price was reported for the RSU grant on the Form 4?

The transaction shows a reported price of $0.00 for the awarded RSUs.

How much total direct and indirect ownership does the filing disclose for Martino?

The filing discloses 364,611 shares directly beneficially owned and 40,000 shares indirectly owned by trust.

What positions does the reporting person hold at Magnachip?

The Form 4 marks the reporting person as a Director and an Officer; remarks list him as Chairman and CEO.