SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Lee Woung Moo

(Last)

(First)

(Middle)

60 SOUTH MARKET STREET, SUITE 750

(Street)

SAN JOSE

95113

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/03/2015

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	22,950	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	⁽¹⁾	11/01/2023	Common Stock	50,000	$19.56	D
Stock Option (Right to Buy)	⁽²⁾	06/09/2025	Common Stock	21,970	$7.64	D
Stock Option (Right to Buy)	06/09/2015	06/09/2025	Common Stock	21,970	$7.64	D

Explanation of Responses:

1. The stock option vested and became exercisable: as to 17,000 shares on 11/1/2014; as to an additional 4,500 shares on 2/1/2015; and as to an additional 4,000 shares on each of 5/1/2015, 8/1/2015 and 11/1/2015. The stock option vests and becomes exercisable, subject to continued service, as to the remaining shares as follows: an additional 4,500 shares will vest and become exerciable on 2/1/2016; and an additional 4,000 shares will vest and become exerciable on each of 5/1/2016, 8/1/2016 and 11/1/2016.

2. The stock option vests and becomes exercisable, subject to continued service: 33 1/3% on 6/9/2016; 33 1/3% on 6/9/2017; and 33 1/3% on 6/9/2018.

Remarks:

Executive Vice President and General Manager, Standard Products Group Exhibit 24 - Power of Attorney

	/s/ Theodore Kim, Attorney-in-Fact	11/12/2015
	** 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 5 (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.