Amkor Technology, Inc.

AMKR·NASDAQ·$73.46Share Price as of 11/2·$18BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/27/26 10-QQ2 ended 06/30/2607/28/26 10-QQ1 ended 03/31/2604/28/26 10-KFY 202502/20/26 10-QQ3 ended 09/30/2510/28/25

Disclosures

8-KCurrent report10/26/26 8-KCurrent report07/27/26 8-KCurrent report05/21/26 8-KCurrent report05/19/26 8-KCurrent report05/05/26

Prospectuses and Registrations

424B7Prospectus02/13/26 FWPFree writing prospectus02/13/26 424B7Prospectus02/12/26 FWPFree writing prospectus02/12/26 S-3ASRAutomatic shelf registration05/01/24

Proxies

DEF 14ADefinitive proxy04/02/26 DEFA14AAdditional proxy materials04/02/26 DEF 14ADefinitive proxy04/04/25 DEFA14AAdditional proxy materials04/04/25 PRE 14APreliminary proxy03/25/25

Ownership

Form 4Insider transaction10/15/26 144Proposed sale of securities10/13/26 Form 4Insider transaction10/06/26 144Proposed sale of securities10/02/26 Form 4Insider transaction09/24/26

Other

SDConflict Minerals disclosure05/22/26 ARSAnnual report to shareholders04/02/26 SDConflict Minerals disclosure05/22/25 ARSAnnual report to shareholders04/04/25 SDConflict Minerals disclosure05/28/24