AMKOR TECHNOLOGY, INC. Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets
AMKOR TECHNOLOGY, INC. (AMKR) reported Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets of 4.20% for the 12-month period ending 2025-12-31, per its 10-K filed 2026-02-20.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets · last filed 2026-02-20
- AMKOR TECHNOLOGY, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2025 was 4.20%, a 6.67% decline from fiscal 2024.
- AMKOR TECHNOLOGY, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2024 was 4.50%, a 9.76% increase from fiscal 2023.
- AMKOR TECHNOLOGY, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2023 was 4.10%, a 7.89% increase from fiscal 2022.
- AMKOR TECHNOLOGY, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2022 was 3.80%, a 2.70% increase from fiscal 2021.
| Period end | Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 12 month |
|---|---|
| 2025-12-31 | 4.20% 10-K · filed 2026-02-20 |
| 2024-12-31 | 4.50% 10-K · filed 2026-02-20 |
| 2023-12-31 | 4.10% 10-K · filed 2026-02-20 |
| 2022-12-31 | 3.80% 10-K · filed 2025-02-21 |
| 2021-12-31 | 3.70% 10-K · filed 2024-02-16 |
| 2020-12-31 | 3.80% 10-K · filed 2023-02-22 |
| 2019-12-31 | 5.10% 10-K · filed 2022-02-18 |
| 2018-12-31 | 4.90% 10-K · filed 2021-02-19 |
| 2017-12-31 | 4.90% 10-K · filed 2020-02-19 |
| 2016-12-31 | 5.00% 10-K · filed 2019-02-22 |
| 2015-12-31 | 6.20% 10-K · filed 2018-02-23 |
| 2014-12-31 | 6.20% 10-K · filed 2017-02-24 |
| 2013-12-31 | 6.30% 10-K · filed 2016-02-22 |
| 2012-12-31 | 6.30% 10-K · filed 2015-02-19 |
| 2011-12-31 | 6.40% 10-K · filed 2014-02-28 |
| 2010-12-31 | 5.40% 10-K · filed 2013-03-08 |
| 2009-12-31 | 5.70% 10-K · filed 2012-02-24 |
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