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
X	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* DAVID D KIM TRUST OF 12/31/87 (Last) (First) (Middle) 2045 EAST INNOVATION CIRCLE (Street) TEMPE AZ 85284 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol AMKOR TECHNOLOGY, INC. [ AMKR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) See Exhibit 99.1
	3. Date of Earliest Transaction (Month/Day/Year) 01/12/2017
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	01/12/2017		S(1)		19,484,809	D	(1)	0	D(1)
Common Stock	01/12/2017		S(1)		19,484,809	D	(1)	0	I	See footnote(2)

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

1. Name and Address of Reporting Person* DAVID D KIM TRUST OF 12/31/87 (Last) (First) (Middle) 2045 EAST INNOVATION CIRCLE (Street) TEMPE AZ 85284 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See Exhibit 99.1

1. Name and Address of Reporting Person* KIM DAVID D (Last) (First) (Middle) 2045 EAST INNOVATION CIRCLE (Street) TEMPE AZ 85284 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See Exhibit 99.1

Explanation of Responses:

1. This report is filed jointly by David D. Kim and the David D. Kim Trust dated 12/31/87 (the "Trust"). David D. Kim is the sole trustee of the Trust. On January 12, 2017, the Trust sold 19,484,809 shares of the Company's Common Stock to a newly created Pennsylvania limited partnership, Sujochil, LP, at a price of $10.8984 per share.

2. Held indirectly by David D. Kim, the trustee of the Trust.

Remarks:

***As attorney in fact for David D. Kim. See Exhibit 99.2 for signatures and other required information for other reporting persons.

	/s/ Jerry Allison, as attorney in fact for David D. Kim***	01/17/2017
	** 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).
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