SEC Form 4 · accession 0001628280-26-043569
AMKOR TECHNOLOGY, INC. · AMKR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Winston J Churchill
Director
Period of report
Jun 12, 2026
Accepted (ET)
Jun 16, 2026 · 4:35 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 Stock | Jun 12, 2026 | M | 5,000 | $19.39 | A | 33,781 | D | |
| Common Stock | Jun 12, 2026 | S | 5,000 | $78.20 | D | 28,781 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Director Stock Option (Right-to-Buy)F1 | $19.39 | Jun 12, 2026 | M | 5,000 | D | — | May 18, 2031 | Common Stock | 5,000 | 10,000 | D |
Explanation of responses
- F1This stock option to acquire 20,000 shares of Common Stock of Amkor Technology, Inc. was granted on May 18, 2021 and vested in full on May 17, 2022.