Amcor Technology Inc.
Plan context: Amkor Technology Inc. 401K Plan
EIN 23-1722724 • 56 filings • 7 plans
Current Snapshot
Latest Year
2025
2025 Participants
397
2025 Assets
$222,874,124
2025 Contributions
$11,064,320
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2025 | 1 | 397 | $0 | $0 | - |
| Amkor Technology Inc. Health & Welfare Plan | - | 397 | - | - | - |
| 2024 | 2 | 392 | $222,874,124 | $11,064,320 | $28,225iApproximate average salary by contribution assumption: employee only about $705,633 at 4% or $470,422 at 6%; with 50% employer match about $470,422 at 4% or $313,615 at 6%; with 100% employer match about $352,816 at 4% or $235,211 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 392 | $222,874,124 | $11,064,320 | $28,225iApproximate average salary by contribution assumption: employee only about $705,633 at 4% or $470,422 at 6%; with 50% employer match about $470,422 at 4% or $313,615 at 6%; with 100% employer match about $352,816 at 4% or $235,211 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 381 | - | - | - |
| 2023 | 2 | 373 | $203,901,316 | $12,203,336 | $32,717iApproximate average salary by contribution assumption: employee only about $817,918 at 4% or $545,279 at 6%; with 50% employer match about $545,279 at 4% or $363,519 at 6%; with 100% employer match about $408,959 at 4% or $272,639 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 373 | $203,901,316 | $12,203,336 | $32,717iApproximate average salary by contribution assumption: employee only about $817,918 at 4% or $545,279 at 6%; with 50% employer match about $545,279 at 4% or $363,519 at 6%; with 100% employer match about $408,959 at 4% or $272,639 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 324 | - | - | - |
| 2022 | 2 | 383 | $174,446,934 | $10,764,927 | $28,107iApproximate average salary by contribution assumption: employee only about $702,671 at 4% or $468,448 at 6%; with 50% employer match about $468,448 at 4% or $312,298 at 6%; with 100% employer match about $351,336 at 4% or $234,224 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 383 | $174,446,934 | $10,764,927 | $28,107iApproximate average salary by contribution assumption: employee only about $702,671 at 4% or $468,448 at 6%; with 50% employer match about $468,448 at 4% or $312,298 at 6%; with 100% employer match about $351,336 at 4% or $234,224 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 326 | - | - | - |
| 2021 | 2 | 375 | $204,133,409 | $10,445,487 | $27,855iApproximate average salary by contribution assumption: employee only about $696,366 at 4% or $464,244 at 6%; with 50% employer match about $464,244 at 4% or $309,496 at 6%; with 100% employer match about $348,183 at 4% or $232,122 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 375 | $204,133,409 | $10,445,487 | $27,855iApproximate average salary by contribution assumption: employee only about $696,366 at 4% or $464,244 at 6%; with 50% employer match about $464,244 at 4% or $309,496 at 6%; with 100% employer match about $348,183 at 4% or $232,122 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 321 | - | - | - |
| 2020 | 2 | 394 | $186,448,420 | $9,404,544 | $23,869iApproximate average salary by contribution assumption: employee only about $596,735 at 4% or $397,823 at 6%; with 50% employer match about $397,823 at 4% or $265,216 at 6%; with 100% employer match about $298,368 at 4% or $198,912 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 394 | $186,448,420 | $9,404,544 | $23,869iApproximate average salary by contribution assumption: employee only about $596,735 at 4% or $397,823 at 6%; with 50% employer match about $397,823 at 4% or $265,216 at 6%; with 100% employer match about $298,368 at 4% or $198,912 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 392 | - | - | - |
| 2019 | 2 | 377 | $162,298,937 | $9,436,804 | $25,031iApproximate average salary by contribution assumption: employee only about $625,783 at 4% or $417,189 at 6%; with 50% employer match about $417,189 at 4% or $278,126 at 6%; with 100% employer match about $312,891 at 4% or $208,594 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 369 | $162,298,937 | $9,436,804 | $25,574iApproximate average salary by contribution assumption: employee only about $639,350 at 4% or $426,233 at 6%; with 50% employer match about $426,233 at 4% or $284,155 at 6%; with 100% employer match about $319,675 at 4% or $213,117 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 377 | - | - | - |
| 2018 | 2 | 409 | $139,215,323 | $9,747,956 | $23,834iApproximate average salary by contribution assumption: employee only about $595,841 at 4% or $397,227 at 6%; with 50% employer match about $397,227 at 4% or $264,818 at 6%; with 100% employer match about $297,920 at 4% or $198,614 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 406 | $139,215,323 | $9,747,956 | $24,010iApproximate average salary by contribution assumption: employee only about $600,244 at 4% or $400,162 at 6%; with 50% employer match about $400,162 at 4% or $266,775 at 6%; with 100% employer match about $300,122 at 4% or $200,081 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 409 | - | - | - |
| 2017 | 2 | 407 | $148,452,491 | $9,651,971 | $23,715iApproximate average salary by contribution assumption: employee only about $592,873 at 4% or $395,249 at 6%; with 50% employer match about $395,249 at 4% or $263,499 at 6%; with 100% employer match about $296,436 at 4% or $197,624 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 407 | $148,452,491 | $9,651,971 | $23,715iApproximate average salary by contribution assumption: employee only about $592,873 at 4% or $395,249 at 6%; with 50% employer match about $395,249 at 4% or $263,499 at 6%; with 100% employer match about $296,436 at 4% or $197,624 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 407 | - | - | - |
| 2016 | 2 | 409 | $122,116,321 | $9,562,176 | $23,379iApproximate average salary by contribution assumption: employee only about $584,485 at 4% or $389,657 at 6%; with 50% employer match about $389,657 at 4% or $259,771 at 6%; with 100% employer match about $292,243 at 4% or $194,828 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 405 | $122,116,321 | $9,562,176 | $23,610iApproximate average salary by contribution assumption: employee only about $590,258 at 4% or $393,505 at 6%; with 50% employer match about $393,505 at 4% or $262,337 at 6%; with 100% employer match about $295,129 at 4% or $196,753 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 409 | - | - | - |
| 2015 | 2 | 418 | $111,710,568 | $10,615,895 | $25,397iApproximate average salary by contribution assumption: employee only about $634,922 at 4% or $423,281 at 6%; with 50% employer match about $423,281 at 4% or $282,188 at 6%; with 100% employer match about $317,461 at 4% or $211,641 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 415 | $111,710,568 | $10,615,895 | $25,580iApproximate average salary by contribution assumption: employee only about $639,512 at 4% or $426,341 at 6%; with 50% employer match about $426,341 at 4% or $284,227 at 6%; with 100% employer match about $319,756 at 4% or $213,171 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 418 | - | - | - |
| 2014 | 2 | 417 | $106,612,679 | $7,317,758 | $17,549iApproximate average salary by contribution assumption: employee only about $438,715 at 4% or $292,476 at 6%; with 50% employer match about $292,476 at 4% or $194,984 at 6%; with 100% employer match about $219,357 at 4% or $146,238 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 417 | $106,612,679 | $7,317,758 | $17,549iApproximate average salary by contribution assumption: employee only about $438,715 at 4% or $292,476 at 6%; with 50% employer match about $292,476 at 4% or $194,984 at 6%; with 100% employer match about $219,357 at 4% or $146,238 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 401 | - | - | - |
| 2013 | 2 | 427 | $99,635,513 | $6,380,630 | $14,943iApproximate average salary by contribution assumption: employee only about $373,573 at 4% or $249,049 at 6%; with 50% employer match about $249,049 at 4% or $166,033 at 6%; with 100% employer match about $186,787 at 4% or $124,524 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 427 | $99,635,513 | $6,380,630 | $14,943iApproximate average salary by contribution assumption: employee only about $373,573 at 4% or $249,049 at 6%; with 50% employer match about $249,049 at 4% or $166,033 at 6%; with 100% employer match about $186,787 at 4% or $124,524 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 403 | - | - | - |
| 2012 | 2 | 410 | $82,002,210 | $6,710,784 | $16,368iApproximate average salary by contribution assumption: employee only about $409,194 at 4% or $272,796 at 6%; with 50% employer match about $272,796 at 4% or $181,864 at 6%; with 100% employer match about $204,597 at 4% or $136,398 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 410 | $82,002,210 | $6,710,784 | $16,368iApproximate average salary by contribution assumption: employee only about $409,194 at 4% or $272,796 at 6%; with 50% employer match about $272,796 at 4% or $181,864 at 6%; with 100% employer match about $204,597 at 4% or $136,398 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 362 | - | - | - |
| 2011 | 2 | 468 | $72,412,182 | $6,257,251 | $13,370iApproximate average salary by contribution assumption: employee only about $334,255 at 4% or $222,837 at 6%; with 50% employer match about $222,837 at 4% or $148,558 at 6%; with 100% employer match about $167,127 at 4% or $111,418 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 441 | $72,412,182 | $6,257,251 | $14,189iApproximate average salary by contribution assumption: employee only about $354,719 at 4% or $236,480 at 6%; with 50% employer match about $236,480 at 4% or $157,653 at 6%; with 100% employer match about $177,360 at 4% or $118,240 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 468 | - | - | - |
| 2010 | 2 | 518 | $72,598,309 | $5,632,579 | $10,874iApproximate average salary by contribution assumption: employee only about $271,843 at 4% or $181,228 at 6%; with 50% employer match about $181,228 at 4% or $120,819 at 6%; with 100% employer match about $135,921 at 4% or $90,614 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 518 | $72,598,309 | $5,632,579 | $10,874iApproximate average salary by contribution assumption: employee only about $271,843 at 4% or $181,228 at 6%; with 50% employer match about $181,228 at 4% or $120,819 at 6%; with 100% employer match about $135,921 at 4% or $90,614 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 431 | - | - | - |
| 2009 | 2 | 452 | $61,756,475 | $4,525,708 | $10,013iApproximate average salary by contribution assumption: employee only about $250,316 at 4% or $166,877 at 6%; with 50% employer match about $166,877 at 4% or $111,251 at 6%; with 100% employer match about $125,158 at 4% or $83,439 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 405 | $61,756,475 | $4,525,708 | $11,175iApproximate average salary by contribution assumption: employee only about $279,365 at 4% or $186,243 at 6%; with 50% employer match about $186,243 at 4% or $124,162 at 6%; with 100% employer match about $139,682 at 4% or $93,122 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 452 | - | - | - |
| 2008 | 2 | 480 | $50,366,695 | $6,590,630 | $13,730iApproximate average salary by contribution assumption: employee only about $343,262 at 4% or $228,841 at 6%; with 50% employer match about $228,841 at 4% or $152,561 at 6%; with 100% employer match about $171,631 at 4% or $114,421 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 480 | $50,366,695 | $6,590,630 | $13,730iApproximate average salary by contribution assumption: employee only about $343,262 at 4% or $228,841 at 6%; with 50% employer match about $228,841 at 4% or $152,561 at 6%; with 100% employer match about $171,631 at 4% or $114,421 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 452 | - | - | - |
| 2007 | 2 | 627 | $70,639,222 | $7,639,915 | $12,185iApproximate average salary by contribution assumption: employee only about $304,622 at 4% or $203,081 at 6%; with 50% employer match about $203,081 at 4% or $135,387 at 6%; with 100% employer match about $152,311 at 4% or $101,541 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 604 | $70,639,222 | $7,639,915 | $12,649iApproximate average salary by contribution assumption: employee only about $316,222 at 4% or $210,814 at 6%; with 50% employer match about $210,814 at 4% or $140,543 at 6%; with 100% employer match about $158,111 at 4% or $105,407 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 627 | - | - | - |
| 2006 | 2 | 524 | $67,369,351 | $7,325,683 | $13,980iApproximate average salary by contribution assumption: employee only about $349,508 at 4% or $233,005 at 6%; with 50% employer match about $233,005 at 4% or $155,337 at 6%; with 100% employer match about $174,754 at 4% or $116,503 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 524 | $67,369,351 | $7,325,683 | $13,980iApproximate average salary by contribution assumption: employee only about $349,508 at 4% or $233,005 at 6%; with 50% employer match about $233,005 at 4% or $155,337 at 6%; with 100% employer match about $174,754 at 4% or $116,503 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 282 | - | - | - |
| 2005 | 2 | 815 | $53,959,578 | $7,526,689 | $9,235iApproximate average salary by contribution assumption: employee only about $230,880 at 4% or $153,920 at 6%; with 50% employer match about $153,920 at 4% or $102,613 at 6%; with 100% employer match about $115,440 at 4% or $76,960 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 726 | $53,959,578 | $7,526,689 | $10,367iApproximate average salary by contribution assumption: employee only about $259,184 at 4% or $172,789 at 6%; with 50% employer match about $172,789 at 4% or $115,193 at 6%; with 100% employer match about $129,592 at 4% or $86,395 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 815 | - | - | - |
| 2004 | 2 | 1,724 | $51,111,255 | $6,993,690 | $4,057iApproximate average salary by contribution assumption: employee only about $101,417 at 4% or $67,611 at 6%; with 50% employer match about $67,611 at 4% or $45,074 at 6%; with 100% employer match about $50,708 at 4% or $33,806 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 818 | $51,111,255 | $6,993,690 | $8,550iApproximate average salary by contribution assumption: employee only about $213,744 at 4% or $142,496 at 6%; with 50% employer match about $142,496 at 4% or $94,997 at 6%; with 100% employer match about $106,872 at 4% or $71,248 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 1,724 | - | - | - |
| 2003 | 2 | 593 | $44,772,949 | $5,760,729 | $9,715iApproximate average salary by contribution assumption: employee only about $242,864 at 4% or $161,909 at 6%; with 50% employer match about $161,909 at 4% or $107,939 at 6%; with 100% employer match about $121,432 at 4% or $80,955 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 593 | $44,772,949 | $5,760,729 | $9,715iApproximate average salary by contribution assumption: employee only about $242,864 at 4% or $161,909 at 6%; with 50% employer match about $161,909 at 4% or $107,939 at 6%; with 100% employer match about $121,432 at 4% or $80,955 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 580 | - | - | - |
| 2002 | 4 | 601 | $32,798,492 | $6,600,767 | $10,983iApproximate average salary by contribution assumption: employee only about $274,574 at 4% or $183,050 at 6%; with 50% employer match about $183,050 at 4% or $122,033 at 6%; with 100% employer match about $137,287 at 4% or $91,525 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 601 | $32,798,492 | $6,600,767 | $10,983iApproximate average salary by contribution assumption: employee only about $274,574 at 4% or $183,050 at 6%; with 50% employer match about $183,050 at 4% or $122,033 at 6%; with 100% employer match about $137,287 at 4% or $91,525 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 0 | - | - | - |
| Amkor Technology Inc. Health & Welfare Plan | - | 576 | - | - | - |
| INTEGRA TECHNOLOGIES, LLC 401K SAVINGS PLAN | - | 0 | - | - | - |
| 2001 | 3 | 674 | $1,599,142 | $424,573 | $630iApproximate average salary by contribution assumption: employee only about $15,748 at 4% or $10,499 at 6%; with 50% employer match about $10,499 at 4% or $6,999 at 6%; with 100% employer match about $7,874 at 4% or $5,249 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 125 | $1,599,142 | $424,573 | $3,397iApproximate average salary by contribution assumption: employee only about $84,915 at 4% or $56,610 at 6%; with 50% employer match about $56,610 at 4% or $37,740 at 6%; with 100% employer match about $42,457 at 4% or $28,305 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 674 | - | - | - |
| INTEGRA TECHNOLOGIES, LLC 401K SAVINGS PLAN | - | 125 | - | - | - |
| 2000 | 2 | 111 | $1,487,401 | $461,862 | $4,161iApproximate average salary by contribution assumption: employee only about $104,023 at 4% or $69,349 at 6%; with 50% employer match about $69,349 at 4% or $46,232 at 6%; with 100% employer match about $52,011 at 4% or $34,674 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 111 | $1,487,401 | $461,862 | $4,161iApproximate average salary by contribution assumption: employee only about $104,023 at 4% or $69,349 at 6%; with 50% employer match about $69,349 at 4% or $46,232 at 6%; with 100% employer match about $52,011 at 4% or $34,674 at 6%. |
| AMKOR TECHNOLOGY | - | 110 | - | - | - |
| 1999 | 2 | 619 | $27,565,264 | $5,609,656 | $9,062iApproximate average salary by contribution assumption: employee only about $226,561 at 4% or $151,041 at 6%; with 50% employer match about $151,041 at 4% or $100,694 at 6%; with 100% employer match about $113,281 at 4% or $75,520 at 6%. |
| Amkor Technology Inc. 401K Plan | - | 575 | $27,565,264 | $5,609,656 | $9,756iApproximate average salary by contribution assumption: employee only about $243,898 at 4% or $162,599 at 6%; with 50% employer match about $162,599 at 4% or $108,399 at 6%; with 100% employer match about $121,949 at 4% or $81,299 at 6%. |
| Amkor Technology Inc. Health & Welfare Plan | - | 619 | - | - | - |