SEC Form 4 · accession 0001628280-26-055750
AMKOR TECHNOLOGY, INC. · AMKR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Douglas A Alexander
Director
Period of report
Aug 7, 2026
Accepted (ET)
Aug 11, 2026 · 4:36 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001047127
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 7, 2026 | M | 5,000 | $8.51 | A | 34,109 | D | |
| Common Stock | Aug 7, 2026 | S | 5,000 | $55.81 | D | 29,109 | 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)F2 | $8.51 | Aug 7, 2026 | M | 5,000 | D | May 1, 2019 | May 1, 2028 | Common Stock | 5,000 | 14,657 | D |
Explanation of responses
- F1The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2026.
- F2This stock option to acquire 20,000 shares of the Issuer's Common Stock was granted on May 1, 2018, vested in full on May 1, 2019.