January 15, 2026 · Form 4 insider transaction
Rutten Guillaume Marie Jean sold 10,000 shares of Amkor Technology, Inc. at $53.14 per share, a transaction worth $531.4K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 5 days after the transaction.
The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 06, 2025.; The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $52.25 to $54.00. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, Amkor Technology, Inc. (the "Issuer"), or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.