AMKOR TECHNOLOGY, INC. Forms 3, 4 and 5: Stock Options
Statements of beneficial ownership filed with the SEC by officers, directors and 10% owners: 18 rows in 2026. Transaction codes are the SEC's. Shares and prices are split-adjusted; the as-filed figure is underneath.
- 2026-08-17: Reporting owner ROGERS MARK N; Form 4; Security Employee Stock Option (Right-to-Buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
- 2026-08-07: Reporting owner ALEXANDER DOUGLAS A; Form 4; Security Director Stock Option (Right-to-Buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
- 2026-07-20: Reporting owner KIM JAMES J; Form 4; Security Employee Stock Option (Right-to-Buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
- 2026-07-20: Reporting owner KIM JAMES J; Form 4; Security Employee Stock Option (Right-to-Buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
AMKR insiders transactions against the stock price
Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close
Logarithmic scale. Both lines share the same starting value for the selected range.
Markers: each transaction type positioned at that session's split-adjusted close. Tooltips retain the reported transaction price when available.
| Transaction date | Reporting owner | Form | Security | Transaction | Shares | Price | Price that day | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-08-17 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 70,000 owned after | $7.40 exercise price | $61.30 | 2026-08-19 |
| 2026-08-07 | ALEXANDER DOUGLAS A Director | 4 | Director Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 14,657 owned after | $8.51 exercise price | $55.27 | 2026-08-11 |
| 2026-07-20 | KIM JAMES J 10% Owner, Other (Member of 10% owner group (5)) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −200,000 0 owned after | $9.86 exercise price | $62.56 | 2026-07-22 |
| 2026-07-20 | KIM JAMES J 10% Owner, Other (Member of 10% owner group (5)) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −250,000 0 owned after | $9.48 exercise price | $62.56 | 2026-07-22 |
| 2026-07-16 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 75,000 owned after | $7.40 exercise price | $63.02 | 2026-07-20 |
| 2026-06-16 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 80,000 owned after | $7.40 exercise price | $86.55 | 2026-06-18 |
| 2026-06-12 | CHURCHILL WINSTON J Director | 4 | Director Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 10,000 owned after | $19.39 exercise price | $82.78 | 2026-06-16 |
| 2026-05-18 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 85,000 owned after | $7.40 exercise price | $66.04 | 2026-05-20 |
| 2026-05-05 | Carolin Roger Anthony Director | 4 | Director Stock Option (Right to Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −20,000 0 owned after | $11.71 exercise price | $76.71 | 2026-05-07 |
| 2026-05-05 | ALEXANDER DOUGLAS A Director | 4 | Director Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −4,657 0 owned after | $9.45 exercise price | $76.71 | 2026-05-07 |
| 2026-05-05 | ALEXANDER DOUGLAS A Director | 4 | Director Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −343 19,657 owned after | $8.51 exercise price | $76.71 | 2026-05-07 |
| 2026-04-16 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 90,000 owned after | $7.40 exercise price | $62.90 | 2026-04-20 |
| 2026-04-07 | KIM SUSAN Y Director, 10% Owner, Other (Member of 10% owner group (5)) | 4 | Director stock option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −20,000 0 owned after | $5.66 exercise price | $47.62 | 2026-04-09 |
| 2026-04-07 | Morse Robert Randolph Director | 4 | Director Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −20,000 0 owned after | $5.66 exercise price | $47.62 | 2026-04-09 |
| 2026-03-16 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 95,000 owned after | $7.40 exercise price | $44.63 | 2026-03-18 |
| 2026-02-25 | WATSON DAVID N Director | 4 | Director Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −20,000 0 owned after | $5.66 exercise price | $50.94 | 2026-02-26 |
| 2026-02-17 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 100,000 owned after | $7.40 exercise price | $46.84 | 2026-02-18 |
| 2026-01-16 | ROGERS MARK N Officer (EVP & General Counsel) | 4 | Employee Stock Option (Right-to-Buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −5,000 105,000 owned after | $7.40 exercise price | $48.00 | 2026-01-20 |
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