Magnachip executive granted 30,000 common shares

Lee Seunghoon reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 06/03/2026 - 04:30 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Lee Seunghoon reported acquisition or exercise transactions in this Form 4 filing.

Magnachip Semiconductor Corp reported that Chief of Manufacturing Seunghoon Lee received a grant of 30,000 shares of common stock on June 1, 2026. The award carried a price per share of $0.00, indicating a compensation-related equity grant rather than an open-market purchase.

Following this grant, Lee directly holds 158,201 shares of Magnachip common stock. The filing shows no derivative securities and no share sales, so this update reflects a routine increase in direct equity ownership through a stock award.

Insider Trade Summary

Grant/Award: 30,000 shares

Grant/Award 1 txn

Insider Lee Seunghoon

Role Chief of Manufacturing

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	30,000	$0.00	$0.00

Holdings After Transaction: Common Stock — 158,201 shares (Direct)

Key Figures

Shares granted: 30,000 shares Grant price: $0.00 per share Shares owned after: 158,201 shares

3 metrics

Shares granted 30,000 shares Common Stock grant on June 1, 2026

Grant price $0.00 per share Recorded transaction price for equity award

Shares owned after 158,201 shares Total direct common stock holdings after grant

Key Terms

Common Stock, Grant, award, or other acquisition, Form 4, Chief of Manufacturing

4 terms

Common Stock financial

"security_title: "Common Stock" for the reported transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Form 4 regulatory

"INSIDER FILING DATA (Form 4): section heading for this insider report"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Chief of Manufacturing other

"officer_title: "Chief of Manufacturing" for reporting person"

FAQ

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

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

Magnachip Semiconductor disclosed that Chief of Manufacturing Seunghoon Lee received a grant of 30,000 shares of common stock on June 1, 2026. The award was recorded at $0.00 per share, reflecting a compensation-related equity grant rather than an open-market transaction.

How many Magnachip (MX) shares does Seunghoon Lee hold after this grant?

After the 30,000-share equity grant, Seunghoon Lee directly holds 158,201 shares of Magnachip common stock. This figure reflects his total direct ownership reported in the Form 4 following the compensation-related award on June 1, 2026.

Was the Magnachip (MX) insider transaction a purchase or a grant?

The transaction was a grant, not an open-market purchase. The Form 4 uses transaction code A, described as a “Grant, award, or other acquisition,” and reports a price of $0.00 per share, indicating a compensation-related stock award to the executive.

Did Seunghoon Lee sell any Magnachip (MX) shares in this Form 4 filing?

No share sales were reported in this Form 4. The filing shows only one transaction: an acquisition of 30,000 common shares via a grant, with no corresponding sale, disposition, or derivative exercise recorded for the reported date.

Does the Magnachip (MX) Form 4 show any options or other derivatives for Seunghoon Lee?

The Form 4 derivativeSummary is empty, indicating no derivative securities, such as options or warrants, are reported for this transaction. The filing only lists non-derivative common stock acquired through the 30,000-share grant on June 1, 2026.

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

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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
Estimated average burden
hours per response:			0.5

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^*

Lee Seunghoon

(Last) (First) (Middle)

C/O MAGNACHIP SEMICONDUCTOR, LTD.

108, YEOUI-DAERO, YEONGDEUNGPO-GU

(Street)

SEOUL KOREA, REPUBLIC OF 07335

(City) (State) (Zip)

KOREA, REPUBLIC OF

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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	06/01/2026		A		30,000	A	$0.00	158,201	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:

Remarks:

Chief of Manufacturing

	/s/ Shinyoung Park, Attorney-in-Fact	06/03/2026
	** 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 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.
* Form 4: SEC 1474 (03-26)