Form 4 for AMKR AMKOR TECHNOLOGY, INC.
Accepted 2025-12-17 00:00:00 ET · period of report 2025-12-16 · accession 0001628280-25-057626 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-12-17 | 2025-12-16 | AMKR | ROGERS MARK N | EVP, GC | M - OptEx | $7.40 | +20.0K | 43.9K | +84% | +$148.0K |
| D | 2025-12-17 | 2025-12-16 | AMKR | ROGERS MARK N | EVP, GC | S - Sale+OE | $42.95 | -20.0K | 23.9K | -46% | -$859.0K |
| D | 2025-12-17 | 2025-12-16 | AMKR | ROGERS MARK N | EVP, GC | M - OptEx | $0.00 | -20.0K | 110.0K | -15% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-12-16 | M | A | 20,000 | $7.40 | 43,862 | D | — | — | |
| 2 | Common | Common Stock | 2025-12-16 | S | D | 20,000 | $42.95 | 23,862 | D | — | — | (F2) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $42.15 to $43.65. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, Amkor Technology, Inc. (the "Issuer"), or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4. |
| 3 | Derivative | Employee Stock Option (Right-to-Buy) | 2025-12-16 | M | D | 20,000 | $0.00 | 110,000 | D | $7.40 · 2020-06-10 to 2029-06-10 | 20,000 Common Stock | (F3) This stock option (the "Option") to acquire 200,000 shares of the Issuer's 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. |