0001209191-21-043704.txt : 20210629 0001209191-21-043704.hdr.sgml : 20210629 20210629172141 ACCESSION NUMBER: 0001209191-21-043704 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210625 FILED AS OF DATE: 20210629 DATE AS OF CHANGE: 20210629 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Stone John Charles CENTRAL INDEX KEY: 0001581432 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29472 FILM NUMBER: 211059221 MAIL ADDRESS: STREET 1: 1514 W. ROCKROSE WAY CITY: CHANDLER STATE: AZ ZIP: 85248 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 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-06-25 0 0001047127 AMKOR TECHNOLOGY, INC. AMKR 0001581432 Stone John Charles 2045 EAST INNOVATION CIRCLE TEMPE AZ 85284 0 1 0 0 Executive Vice President Common Stock 2021-06-25 4 M 0 9375 9.48 A 40927 D Common Stock 2021-06-25 4 S 0 9375 24.00 D 31552 D Common Stock 2000 I Held in Trust Employee Stock Option (Right-to-Buy) 9.48 2021-06-25 4 M 0 9375 0.00 D 2020-02-15 2029-02-15 Common Stock 9375 65625 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 16, 2021. This stock option was granted on February 15, 2019 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested. Mark N. Rogers, Attorney-in-Fact for John Charles Stone 2021-06-29