SEC Form 4 · accession 0001628280-26-046953
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
Jun 30, 2026
Accepted (ET)
Jul 2, 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 30, 2026 | M | 8,692 | $0.00 | A | 511,732 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF1 | $0.00 | Jun 30, 2026 | M | 8,692 | D | — | — | Common Stock | 8,692 | 0 | D |
Explanation of responses
- F1On February 20, 2025, the Reporting Person was granted 43,459 time-vested restricted stock units ("RSUs") which vested in five equal quarterly installments on each of June 30, 2025, September 30, 2025, December 31, 2025, March 31, 2026, and June 30, 2026, such that 100% was vested on June 30, 2026.