0001047127-23-000051.txt : 20231219 0001047127-23-000051.hdr.sgml : 20231219 20231219163047 ACCESSION NUMBER: 0001047127-23-000051 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231215 FILED AS OF DATE: 20231219 DATE AS OF CHANGE: 20231219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Faust Megan CENTRAL INDEX KEY: 0001684564 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29472 FILM NUMBER: 231497781 MAIL ADDRESS: STREET 1: 2045 E 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_1703021434.xml FORM 4 X0508 4 2023-12-15 0 0001047127 AMKOR TECHNOLOGY, INC. AMKR 0001684564 Faust Megan 2045 E INNOVATION CIRCLE TEMPE AZ 85284 0 1 0 0 CFO 0 Common Stock 2023-12-15 4 M 0 2700 9.48 A 38094 D Common Stock 2023-12-15 4 S 0 2700 33.45 D 35394 D Employee Stock Option (Right-to-Buy) 9.48 2023-12-15 4 M 0 2700 0 D 2020-02-15 2029-02-15 Common Stock 2700 8200 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 23, 2023. This stock option (the "Option") to acquire 150,000 shares of the Issuer's common stock (the "Option Shares") was granted on February 15, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date. Mark N. Rogers, Attorney-in-Fact for Megan Faust 2023-12-19