SEC Form 4 · accession 0001628280-26-044368
AMKOR TECHNOLOGY, INC. · AMKR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark N Rogers
Officer — EVP & General Counsel
Period of report
Jun 16, 2026
Accepted (ET)
Jun 18, 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 | Jun 16, 2026 | M | 5,000 | $7.40 | A | 43,904 | D | |
| Common Stock | Jun 16, 2026 | S | 5,000 | $86.21 | D | 38,904 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right-to-Buy)F2 | $7.40 | Jun 16, 2026 | M | 5,000 | D | Jun 10, 2020 | Jun 10, 2029 | Common Stock | 5,000 | 80,000 | 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 August 1, 2025.
- F2This stock option (the "Option") to acquire 200,000 shares of Amkor Technology, Inc. common stock (the "Option Shares") was granted on June 10, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date.