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New Magnachip (NYSE: MX) CEO receives major stock and option awards

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

MAGNACHIP SEMICONDUCTOR Corp reported that its new Chief Executive Officer and director, Chae Lee, received an initial equity award in connection with his appointment. He was granted 288,750 shares of common stock and a stock option for 148,750 shares at an exercise price of $5.50 per share, expiring on July 1, 2036. According to the award terms under the company’s 2020 Equity Incentive Plan, each grant will vest over four years with a one-year cliff, and continued vesting is conditioned on Mr. Lee’s ongoing service with the company.

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Insider LEE CHAE
Role Chief Executive Officer
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 148,750 $0.00 --
Grant/Award Common Stock 288,750 $0.00 --
Holdings After Transaction: Stock Option (Right to Buy) — 148,750 shares (Direct, null); Common Stock — 288,750 shares (Direct, null)
Footnotes (1)
  1. In accordance with his appointment as the Issuer's Chief Executive Officer and principal executive officer and as a director of the Issuer, Mr. Lee was granted an initial equity award under the Issuer's 2020 Equity Incentive Plan (as amended). Each grant will vest over four years, with a one-year cliff vesting period, subject to Mr. Lee's continued service through each applicable vesting date. See above explanation.
Common stock grant 288,750 shares Initial equity award to CEO Chae Lee
Option grant size 148,750 shares Stock option underlying common stock
Option exercise price $5.50 per share Strike price for stock option
Option expiration July 1, 2036 Expiration date of CEO option grant
Common shares after grant 288,750 shares CEO’s reported common stock holding following transaction
Derivative holdings after grant 148,750 options CEO’s reported option position following transaction
2020 Equity Incentive Plan financial
"granted an initial equity award under the Issuer's 2020 Equity Incentive Plan (as amended)"
cliff vesting financial
"Each grant will vest over four years, with a one-year cliff vesting period"
principal executive officer financial
"his appointment as the Issuer's Chief Executive Officer and principal executive officer"
The principal executive officer is the highest-ranking manager who leads a company’s overall strategy, operations and public communication—often acting like the captain of a ship who sets direction and makes final calls. Investors watch this person because their decisions, credibility and ability to deliver results shape company performance, risk and market confidence, and changes in that role can directly affect stock value and corporate accountability.
stock option financial
"Stock Option (Right to Buy) ... underlying security title: Common Stock"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
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FAQ

What equity awards did MAGNACHIP (MX) CEO Chae Lee receive?

Chae Lee received 288,750 shares of common stock and a stock option for 148,750 shares. The option has a $5.50 exercise price and expires July 1, 2036, forming his initial equity package as CEO and director.

How do Chae Lee’s MAGNACHIP (MX) equity awards vest?

Both the stock grant and option vest over four years with a one-year cliff. After the first year, additional portions vest over the remaining term, subject to Mr. Lee’s continued service with MAGNACHIP SEMICONDUCTOR Corp.

What is the exercise price and term of Chae Lee’s MAGNACHIP (MX) option?

The granted stock option covers 148,750 shares of common stock at a $5.50 per share exercise price. The option expires on July 1, 2036, providing a long-dated incentive tied to future company performance and his tenure.

Did Chae Lee buy or sell MAGNACHIP (MX) shares in this Form 4?

The Form 4 reports grant or award acquisitions, not open-market trades. Mr. Lee acquired 288,750 common shares and a 148,750-share option as compensation awards, with no reported share sales or market purchases in this filing.

Under which plan were Chae Lee’s MAGNACHIP (MX) equity awards granted?

The equity awards were granted under MAGNACHIP SEMICONDUCTOR Corp’s 2020 Equity Incentive Plan, as amended. This plan governs the terms, including vesting schedules and conditions tied to Mr. Lee’s continued service with the company.
SEC Form 4
FORM 4UNITED 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 CHAE

(Last)(First)(Middle)
C/O MAGNACHIP SEMICONDUCTOR, LTD.
108, YEOUI-DAERO, YEONGDEUNGPO-GU

(Street)
SEOUL07335

(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/01/2026A(1)288,750A$0288,750D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$5.507/01/2026A(1)148,750 (2)07/01/2036Common Stock148,750$0148,750D
Explanation of Responses:
1. In accordance with his appointment as the Issuer's Chief Executive Officer and principal executive officer and as a director of the Issuer, Mr. Lee was granted an initial equity award under the Issuer's 2020 Equity Incentive Plan (as amended). Each grant will vest over four years, with a one-year cliff vesting period, subject to Mr. Lee's continued service through each applicable vesting date.
2. See above explanation.
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.
/s/ Shinyoung Park, Attorney-in-Fact07/06/2026
** Signature of Reporting PersonDate
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)