SEC Form 4 · accession 0001628280-26-054882
AMKOR TECHNOLOGY, INC. · AMKR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Guillaume Marie Jean Rutten
Director
Period of report
Aug 5, 2026
Accepted (ET)
Aug 7, 2026 · 4:36 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001047127
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 5, 2026 | S | 25,000 | $55.35 | D | 486,732 | D | |
| Common StockF2 | Aug 6, 2026 | S | 25,000 | $54.50 | D | 461,732 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $55.31 to $55.43. 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 (1) to this Form 4.
- F2The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.48 to $54.62. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, 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.