0001209191-21-010756.txt : 20210216 0001209191-21-010756.hdr.sgml : 20210216 20210216163535 ACCESSION NUMBER: 0001209191-21-010756 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210211 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210216 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: 21639507 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 2021-02-11 0 0001047127 AMKOR TECHNOLOGY, INC. AMKR 0001581432 Stone John Charles 1514 ROCKROSE WAY CHANDLER AZ 85248 0 1 0 0 Executive Vice President Common Stock 2021-02-11 4 M 0 65625 9.48 A 90641 D Common Stock 2021-02-11 4 S 0 65625 21.35 D 25016 D Common Stock 2021-02-11 4 M 0 18750 9.86 A 43766 D Common Stock 2021-02-11 4 S 0 18750 21.35 D 25016 D Common Stock 2000 I Held in Trust Employee Stock Option (Right-to-Buy) 9.48 2021-02-11 4 M 0 65625 0.00 D 2020-02-15 2029-02-15 Common Stock 65625 84375 D Employee Stock Option (Right-To-Buy) 9.86 2021-02-11 4 M 0 18750 0.00 D 2018-02-27 2027-02-27 Common Stock 18750 9375 D The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 20.95 to 21.54. The stock option was granted on February 15, 2019 and vests as follows: 25% of the shares vest on the first anniversary of the grant date and 1/16th of the option vests each quarter thereafter, such that 100% of the option will be vested on the fourth anniversary of the grant date. This stock option was granted on February 27, 2017 and vests as follows: 25% of the shares vest on the first anniversary of the grant date and 1/16 of the option vests each quarter thereafter, such that 100% of the option will vest on the fourth anniversary of the grant date. Mark N. Rogers, Attorney-in-Fact for John C. Stone 2021-02-15