0001047127-23-000055.txt : 20231221 0001047127-23-000055.hdr.sgml : 20231221 20231221163410 ACCESSION NUMBER: 0001047127-23-000055 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231219 FILED AS OF DATE: 20231221 DATE AS OF CHANGE: 20231221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Engel Kevin CENTRAL INDEX KEY: 0001965254 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29472 FILM NUMBER: 231505780 MAIL ADDRESS: STREET 1: 2045 EAST INNOVATION CIRCLE CITY: TEMPE STATE: AZ ZIP: 85284 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AMKOR TECHNOLOGY, INC. CENTRAL INDEX KEY: 0001047127 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] ORGANIZATION NAME: 04 Manufacturing 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 wk-form4_1703194439.xml FORM 4 X0508 4 2023-12-19 0 0001047127 AMKOR TECHNOLOGY, INC. AMKR 0001965254 Engel Kevin 2045 EAST INNOVATION CIRCLE TEMPE AZ 85284 0 1 0 0 Executive Vice President 0 Common Stock 2023-12-19 4 M 0 27 0 A 27 D Common Stock 2023-12-19 4 F 0 27 33.79 D 0 D Common Stock 2023-12-19 4 M 0 30 0 A 30 D Common Stock 2023-12-19 4 F 0 30 33.79 D 0 D Common Stock 2023-12-19 4 M 0 47 0 A 47 D Common Stock 2023-12-19 4 F 0 47 33.79 D 0 D Restricted Stock Units 2023-12-19 4 M 0 27 0 D Common Stock 27 1607 D Restricted Stock Units 2023-12-19 4 M 0 30 0 D Common Stock 30 2790 D Restricted Stock Units 2023-12-19 4 M 0 47 0 D Common Stock 47 5520 D The reported transaction involved the withholding of 27 shares of common stock of Amkor Technology, Inc. (the "Issuer") issuable upon the early vesting of an equal number of restricted stock units ("RSUs") to pay taxes associated with the Reporting Person's retirement eligibility status. The reported transaction involved the withholding of 30 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. The reported transaction involved the withholding of 47 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. Mark N. Rogers, Attorney-in-Fact for Kevin Engel 2023-12-21