0000899243-21-006551.txt : 20210216 0000899243-21-006551.hdr.sgml : 20210216 20210216085007 ACCESSION NUMBER: 0000899243-21-006551 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: Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Dated 7/26/12 CENTRAL INDEX KEY: 0001728273 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29472 FILM NUMBER: 21632980 BUSINESS ADDRESS: STREET 1: C/O K. LYNAM;SIANA CARR O'CONNOR & LYNAM STREET 2: 1500 EAST LANCASTER AVENUE CITY: PAOLI STATE: PA ZIP: 19301-9713 BUSINESS PHONE: 610-296-4200 MAIL ADDRESS: STREET 1: C/O K. LYNAM;SIANA CARR O'CONNOR & LYNAM STREET 2: 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 0001728273 Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Dated 7/26/12 C/O SIANA CARR OCONNOR & LYNAM, 1500 EAST LANCASTER AVENUE PAOLI 19301-9713 0 0 0 1 Exhibit 99.1 Common Stock 2020-08-21 5 G 0 561343 12.71 A 3341120 D On August 21, 2020, the Susan Y. Kim 2015 Irrevocable Trust U/A Dated 3/16/15 distributed 561,343 shares of the Issuer's Common Stock to the Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Agreement Dated 7/26/12. Susan Y. Kim and John T. Kim are co-trustees of both of the trusts. Richard R. 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.