SEC FORM 4 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
 
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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*
KIM JOHN T

(Last) (First) (Middle)
C/O SIANA CARR O'CONNOR & LYNAM,
1500 EAST LANCASTER AVENUE

(Street)
PAOLI PA 19301-9713

(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 X 10% Owner
Officer (give title below) X Other (specify below)
Exhibit 99.1
3. Date of Earliest Transaction (Month/Day/Year)
05/03/2021
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 05/03/2021 X 20,000(1) A $6.46 9,650,224(2) D
Common Stock 25,674,640(3)(5) I By self as general partner
Common Stock 15,087,774(4)(5) I By self as trustee
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
Stock option (right to buy) $6.46 05/03/2021 X 20,000(1) 05/03/2014 05/03/2021 Common Stock 20,000 $0.00 0 D
Explanation of Responses:
1. On May 3, 2021, John T. Kim exercised options to purchase 20,000 shares of the Issuer's Common Stock.
2. Includes options to acquire 80,000 shares of the Issuer's Common stock.
3. The reporting person is one of two general partners of a limited partnership that owns 19,484,809 shares of the Issuer's Common Stock and one of three members of a limited liability company that is the general partner of a limited partnership that owns 6,189,831 shares of the Issuer's Common Stock.
4. The reporting person is one of two trustees of various trusts for the benefit of his descendants, which trusts own 15,087,774 shares of the Issuer's Common Stock.
5. The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
Remarks:
Mark N. Rogers, Attorney-in-Fact for John T. Kim 05/03/2021
** 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.
Exhibit 99.1


A Schedule 13D was filed by James J. Kim and those members of the reporting
group who then constituted the group on November 28, 2005, as amended by
Amendment No. 1 filed with the Securities and Exchange Commission (the
"Commission") on April 4, 2008, Amendment No. 2 filed with the Commission on
March 19, 2009, Amendment No. 3 filed with the Commission on April 16, 2009,
Amendment No. 4 filed with the Commission on February 5, 2010, Amendment No. 5
filed with the Commission on March 28, 2011, Amendment No. 6 filed with the
Commission on November 17, 2011, Amendment No. 7 filed with the Commission on
March 29, 2013, Amendment No. 8 filed with the Commission on March 28, 2014,
Amendment No. 9 filed with the Commission on March 30, 2015, Amendment No. 10
filed with the Commission on March 30, 2016, Amendment No. 11 filed with the
Commission on January 20, 2017, Amendment No. 12 filed with the Commission on
March 21, 2018, Amendment No. 13 filed with the Commission on November 9, 2018,
Amendment No. 14 filed with the Commission on March 20, 2020 and Amendment No.
15 filed with the Commission on March 16, 2021 (as further amended from time to
time, the "Schedule 13D").  Those individuals and entities listed in the
Schedule 13D, including the filer of this Form 4, may be deemed to be members of
a group (the "Group") who each exercise voting or investment power with respect
to shares of Amkor Technology, Inc.'s (the "Issuer") Common Stock in concert
with other members of the Group.  The Group may be deemed to beneficially own
more than 10% of the outstanding voting securities of the Issuer. The reporting
person states that the filing of this Form 4 Report shall not be deemed an
admission that the reporting person is the beneficial owner of the reported
securities owned by the other members of the Group, for the purpose of Section
16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.