| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $991,818,126 | 41 | 100 |
| Faust Megan | CFO | 0 | $0 | 6 | $355,230 | $-355,230 |
| ALEXANDER DOUGLAS A | director | 0 | $0 | 3 | $580,317 | $-580,317 |
| Haghighi Farshad | Executive Vice President | 0 | $0 | 1 | $789,012 | $-789,012 |
| McCourt MaryFrances | director | 0 | $0 | 1 | $920,400 | $-920,400 |
| Engel Kevin K. | President and CEO | 0 | $0 | 3 | $1.01M | $-1.01M |
| CHURCHILL WINSTON J | director | 0 | $0 | 3 | $1.15M | $-1.15M |
| Carolin Roger Anthony | director | 0 | $0 | 1 | $1.52M | $-1.52M |
| Tily Gil C. | director | 0 | $0 | 2 | $2.09M | $-2.09M |
| ROGERS MARK N | EVP & General Counsel | 0 | $0 | 10 | $3.91M | $-3.91M |
| Rutten Guillaume Marie Jean | President and CEO | 0 | $0 | 8 | $9.19M | $-9.19M |
| 915 Investments, LP | Member of 10% owner group (2) | 0 | $0 | 1 | $484.9M | $-484.9M |
| KIM JOHN T | Member of 10% owner group (6) | 0 | $0 | 1 | $484.9M | $-484.9M |
Amkor Technology, Inc. operates internationally, delivering external semiconductor packaging and testing solutions across North America, Japan, Europe, the Middle East, Africa, and the broader Asia Pacific region. Their comprehensive, end-to-end offerings encompass a range of processes, including semiconductor wafer bumping, probing, back-grinding, package conceptualization, final packaging, testing, and direct shipment services. The company's product portfolio features flip-chip scale packages, critical for devices like smartphones, tablets, …
Over the last 12 months, insiders at Amkor Technology, Inc. have bought $0 and sold $991.82M worth of Amkor Technology, Inc. stock.
On average, over the past 5 years, insiders at Amkor Technology, Inc. have bought $209.04M and sold $558.95M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 441,589 shares for transaction amount of $9.65M was made by KIM JOHN T (Member of 10% owner group (8)) on 2025‑08‑01.
| 2026-10-13 | Sale | Faust Megan | CFO | 1,000 0.0004% | $46.92 | $46,920 | -13.44% | |
| 2026-10-02 | Sale | ALEXANDER DOUGLAS A | director | 5,000 0.002% | $55.00 | $275,000 | -24.94% | |
| 2026-09-08 | Sale | Faust Megan | CFO | 1,000 0.0004% | $49.05 | $49,050 | -5.30% | |
| 2026-08-17 | Sale | ROGERS MARK N | EVP & General Counsel | 5,000 0.002% | $59.78 | $298,900 | -21.38% | |
| 2026-08-11 | Sale | Faust Megan | CFO | 1,000 0.0004% | $54.45 | $54,450 | -10.31% | |
| 2026-08-07 | Sale | ALEXANDER DOUGLAS A | director | 5,000 0.002% | $55.81 | $279,050 | -10.97% | |
| 2026-08-06 | Sale | Rutten Guillaume Marie Jean | director | 25,000 0.0101% | $54.50 | $1.36M | -8.76% | |
| 2026-08-05 | Sale | Rutten Guillaume Marie Jean | director | 25,000 0.0103% | $55.35 | $1.38M | -7.87% | |
| 2026-07-30 | Sale | Engel Kevin K. | President and CEO | 3,221 0.0013% | $47.00 | $151,387 | +4.13% | |
| 2026-07-16 | Sale | ROGERS MARK N | EVP & General Counsel | 5,000 0.0021% | $65.12 | $325,600 | -19.38% | |
| 2026-07-14 | Sale | Faust Megan | CFO | 1,000 0.0004% | $69.91 | $69,910 | -27.58% | |
| 2026-06-16 | Sale | ROGERS MARK N | EVP & General Counsel | 5,000 0.002% | $86.21 | $431,050 | -39.38% | |
| 2026-06-12 | Sale | CHURCHILL WINSTON J | director | 5,000 0.0019% | $78.20 | $391,000 | -36.24% | |
| 2026-06-09 | Sale | Faust Megan | CFO | 1,000 0.0004% | $70.30 | $70,300 | -25.36% | |
| 2026-05-19 | Sale | Faust Megan | CFO | 1,000 0.0004% | $64.60 | $64,600 | -17.23% | |
| 2026-05-18 | Sale | ROGERS MARK N | EVP & General Counsel | 5,000 0.0022% | $71.63 | $358,150 | -17.78% | |
| 2026-05-11 | Sale | Tily Gil C. | director | 15,000 0.0061% | $77.30 | $1.16M | -28.59% | |
| 2026-05-08 | Sale | Rutten Guillaume Marie Jean | director | 50,000 0.0196% | $74.28 | $3.71M | -28.49% | |
| 2026-05-05 | Sale | Carolin Roger Anthony | director | 20,000 0.008% | $76.24 | $1.52M | -28.15% | |
| 2026-05-05 | Sale | ALEXANDER DOUGLAS A | director | 343 0.0001% | $76.58 | $26,267 | -28.15% |
| KIM JOHN T | Member of 10% owner group (6) | 29594980 11.9426% | $1.11B | 4 | 4 | +32.92% |
| Carolin Roger Anthony | director | 94409 0.0381% | $3.55M | 4 | 8 | +19.56% |
| McCourt MaryFrances | director | 55918 0.0226% | $2.1M | 1 | 4 | +29.09% |
| ROGERS MARK N | EVP & General Counsel | 38904 0.0157% | $1.46M | 1 | 14 | +45.49% |
| CHURCHILL WINSTON J | director | 28781 0.0116% | $1.08M | 10 | 49 | +110.22% |
| KIM AGNES C | Member of 10% owner group (3) | 12290281 4.9596% | $462.36M | 1 | 4 | <0.0001% |
| KIM SUSAN Y | Member of 10% owner group (10) | 3789479 1.5292% | $142.56M | 6 | 4 | +22.19% |
| KIM DAVID D | Member of 10% owner group (5) | 3789479 1.5292% | $142.56M | 3 | 2 | +43.68% |
| SUJODA Investments, LP | Member of 10% owner group (2) | 3789479 1.5292% | $142.56M | 2 | 1 | +63.14% |
| Sujoda Management, LLC | Member of 10% owner group (4) | 3789479 1.5292% | $142.56M | 2 | 1 | +63.14% |
| KIM JAMES J | Member of 10% owner group (4) | 2341239 0.9448% | $88.08M | 2 | 6 | <0.0001% |
| James & Agnes Kim Foundation, Inc. | See Exhibit No. EX-99.1 | 1150000 0.4641% | $43.26M | 6 | 1 | +23.43% |
| NEFF JOHN B | director | 200000 0.0807% | $7.52M | 1 | 5 | <0.0001% |
| Kelley Stephen Douglas | President and CEO | 150000 0.0605% | $5.64M | 3 | 10 | +33.05% |
| BORUCH JOHN N | President & COO | 57309 0.0231% | $2.16M | 1 | 0 | <0.0001% |
| ZUG JAMES W | director | 45828 0.0185% | $1.72M | 2 | 4 | <0.0001% |
| FREYMAN BRUCE J | President & COO | 45338 0.0183% | $1.71M | 2 | 0 | <0.0001% |
| OSBORNE JOHN | director | 34401 0.0139% | $1.29M | 6 | 2 | +71.16% |
| KIM JOO HO | Executive Vice President | 21930 0.0088% | $825,006.60 | 1 | 2 | <0.0001% |
| JOYCE KENNETH T | President & CEO | 21278 0.0086% | $800,478.36 | 1 | 0 | <0.0001% |
| Morse Robert Randolph | director | 16994 0.0069% | $639,314.28 | 1 | 0 | +27.91% |
| HINCKLEY GREGORY K | director | 12000 0.0048% | $451,440.00 | 1 | 0 | +6.56% |
| PAPADAKIS CONSTANTINE | director | 5000 0.002% | $188,100.00 | 1 | 0 | +1.74% |
Amkor Technology, Inc. (AMKR) | $900,351,833 | 62 | 37.88% | $9.32B |
$17,875,978 | 28 | 19.26% | $5.63B | |
$8,624,272 | 27 | 51.83% | $5.43B | |
$8,266,881 | 25 | 162.69% | $3.88B | |
$7,836,019 | 21 | -2.80% | $5.8B |
| Increased Positions | 255 | +55.31% | 20M | +18.82% |
| Decreased Positions | 203 | -44.03% | 14M | -13.01% |
| New Positions | 125 | New | 8M | New |
| Sold Out Positions | 48 | Sold Out | 2M | Sold Out |
| Total Postitions | 513 | +11.28% | 114M | +5.81% |
| Vanguard Group Inc | $677,271.00 | 6.39% | 15.78M | +687,900 | +4.56% | 2025-09-30 |
| Blackrock, Inc. | $593,790.00 | 5.6% | 13.83M | -1M | -7.18% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $564,450.00 | 5.32% | 13.15M | -126,575 | -0.95% | 2025-09-30 |
| Aqr Capital Management Llc | $180,759.00 | 1.71% | 4.21M | +653,489 | +18.37% | 2025-09-30 |
| Earnest Partners Llc | $180,537.00 | 1.7% | 4.21M | -218,759 | -4.94% | 2025-09-30 |
| Lsv Asset Management | $170,880.00 | 1.61% | 3.98M | -850,177 | -17.6% | 2025-09-30 |
| American Century Companies Inc | $164,641.00 | 1.55% | 3.84M | +17,656 | +0.46% | 2025-09-30 |
| State Street Corp | $147,062.00 | 1.39% | 3.43M | +107,118 | +3.23% | 2025-09-30 |
| Sw Investment Management Llc | $113,738.00 | 1.07% | 2.65M | 0 | 0% | 2025-09-30 |
| Geode Capital Management, Llc | $97,833.00 | 0.92% | 2.28M | +23,956 | +1.06% | 2025-09-30 |