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| Keyboard |
| Amkor Technology Inc | |
|---|---|
| Ticker | AMKR |
| CIK # | 0001047127 |
| CUSIP | 031652100 |
| Sector | Manufacturing - Semiconductors & Related Devices |
| Address | 1900 South Price Road, Chandler, AZ 85248 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001047127] | 10-K | |
| [0001047127] | 10-Q | |
| [0001047127] | 3 | |
| [0001047127] | 4 | |
| [0001047127] | 5 | |
| [0001047127] | 8-K | |
| [0001047127] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Vanguard Group Inc | Amkor Technology Inc | [2023-02-09] | 5.36 |
| BlackRock Inc | Amkor Technology Inc | [2023-02-03] | 5.4 |
| Dimensional Fund Advisors LP | Amkor Technology Inc | [2018-02-09] | 6.28 |
| Vanguard Group Inc | Amkor Technology Inc | [2018-02-08] | 5.04 |
| Cadian Capital Management LLC | Amkor Technology Inc | [2013-02-14] | 6.92 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Rogers Mark N
Employee Stock Option (Right-to-Buy) · derivative
|
2026-03-16 | Option exercise | 5,000 | $0.00 | |
|
Rogers Mark N
Common Stock
|
2026-03-16 | Option exercise | 5,000 | $7.40 | 37,000 |
|
Rogers Mark N
Common Stock
|
2026-03-16 | Sell | 5,000 | $44.54 | 222,700 |
|
Buntyn Cherie
Restricted Stock Units · derivative
|
2026-03-12 | Grant | 799 | $0.00 | |
|
Watson David N
Common Stock
|
2026-02-25 | Option exercise | 20,000 | $5.66 | 113,200 |
|
Watson David N
Director Stock Option (Right-to-Buy) · derivative
|
2026-02-25 | Option exercise | 20,000 | $0.00 | |
|
Haghighi Farshad
Common Stock
|
2026-02-25 | Sell | 15,624 | $50.50 | 789,012 |
|
Watson David N
Common Stock
|
2026-02-25 | Tax withheld | 2,223 | $0.00 | |
|
Haghighi Farshad
Common Stock
|
2026-02-24 | Option exercise | 1,814 | $0.00 | |
|
Rutten Guillaume Marie Jean
Common Stock
|
2026-02-24 | Option exercise | 10,748 | $0.00 | |
|
Engel Kevin
Restricted Stock Units · derivative
|
2026-02-24 | Option exercise | 910 | $0.00 | |
|
Faust Megan
Restricted Stock Units · derivative
|
2026-02-24 | Option exercise | 3,493 | $0.00 | |
|
Rutten Guillaume Marie Jean
Common Stock
|
2026-02-24 | Sell | 20,000 | $48.80 | 976,000 |
|
Haghighi Farshad
Common Stock
|
2026-02-24 | Tax withheld | 815 | $48.53 | 39,552 |
|
Rutten Guillaume Marie Jean
Restricted Stock Units · derivative
|
2026-02-24 | Option exercise | 10,748 | $0.00 | |
|
Engel Kevin
Common Stock
|
2026-02-24 | Tax withheld | 372 | $48.53 | 18,053 |
|
Rogers Mark N
Common Stock
|
2026-02-24 | Option exercise | 1,880 | $0.00 | |
|
Engel Kevin
Common Stock
|
2026-02-24 | Option exercise | 910 | $0.00 | |
|
Rogers Mark N
Common Stock
|
2026-02-24 | Tax withheld | 806 | $48.53 | 39,115 |
|
Faust Megan
Common Stock
|
2026-02-24 | Option exercise | 3,493 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 531 | 121,585,876 |
| 2025-12-31 | 459 | 117,335,152 |
| 2025-09-30 | 390 | 104,931,883 |
| 2025-06-30 | 350 | 118,423,714 |
| 2025-03-31 | 353 | 110,272,493 |
| 2024-12-31 | 337 | 110,487,625 |
| 2024-09-30 | 361 | 101,891,230 |
| 2024-06-30 | 398 | 99,528,869 |
| 2024-03-31 | 339 | 102,771,505 |
| 2023-12-31 | 320 | 100,045,208 |
| 2023-09-30 | 305 | 96,803,668 |
| 2023-06-30 | 303 | 89,357,423 |