0000899243-21-006536.txt : 20210216 0000899243-21-006536.hdr.sgml : 20210216 20210216084127 ACCESSION NUMBER: 0000899243-21-006536 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210216 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 CENTRAL INDEX KEY: 0001732522 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29472 FILM NUMBER: 21632908 BUSINESS ADDRESS: STREET 1: 1500 EAST LANCASTER AVENUE CITY: PAOLI STATE: PA ZIP: 19301-9713 BUSINESS PHONE: 610-296-4200 MAIL ADDRESS: STREET 1: 1500 EAST LANCASTER AVENUE CITY: PAOLI STATE: PA ZIP: 19301-9713 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AMKOR TECHNOLOGY, INC. CENTRAL INDEX KEY: 0001047127 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 231722724 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2045 EAST INNOVATION CIRCLE CITY: TEMPE STATE: AZ ZIP: 85284 BUSINESS PHONE: 480-821-5000 MAIL ADDRESS: STREET 1: 2045 EAST INNOVATION CIRCLE CITY: TEMPE STATE: AZ ZIP: 85284 FORMER COMPANY: FORMER CONFORMED NAME: AMKOR TECHNOLOGY INC DATE OF NAME CHANGE: 19971001 5 1 doc5.xml FORM 5 SUBMISSION X0306 5 2020-12-31 0 0 0 0001047127 AMKOR TECHNOLOGY, INC. AMKR 0001732522 John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 C/O SIANA CARR O'CONNOR & LYNAM, 1500 EAST LANCASTER AVENUE PAOLI PA 19301-9713 0 0 0 1 Exhibit 99.1 Common Stock 2020-07-01 5 G 0 278833 12.15 D 1202942 D On July 1, 2020, 278,833 shares of the Issuer's Common Stock were distributed by Qualified Annuity Trust under the John T. Kim 2018 Irrevocable Trust Agreement Dated February 6, 2018 to John T. Kim. Susan Y. Kim and John T. Kim are co-trustees of the trust. Richard D. Rosen, as Attorney in Fact 2021-02-12 EX-99.1 2 attachment1.htm EX-99.1 DOCUMENT

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 (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 5, 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 5 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.