ADTRAN Holdings, Inc. Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets
ADTRAN Holdings, Inc. (ADTN) reported Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets of 4.80% for the 12-month period ending 2025-12-31, per its 10-K filed 2026-02-26.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets · last filed 2026-02-26
- ADTRAN Holdings, Inc. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2025 was 4.80%, a 2.04% decline from fiscal 2024.
- ADTRAN Holdings, Inc. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2024 was 4.90%, a 2.08% increase from fiscal 2023.
- ADTRAN Holdings, Inc. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2023 was 4.80%, a 3.23% increase from fiscal 2022.
- ADTRAN Holdings, Inc. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2022 was 4.65%, a 21.19% decline from fiscal 2021.
| Period end | Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 8 month | Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 12 month | Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 12 month as first filed |
|---|---|---|---|
| 2025-12-31 | 4.80% 10-K · filed 2026-02-26 | ||
| 2024-12-31 | 4.90% 10-K · filed 2026-02-26 | 4.85% 10-K · filed 2025-03-03 | |
| 2023-12-31 | 4.80% 10-K · filed 2026-02-26 | 4.83% 10-K · filed 2024-03-15 | |
| 2022-12-31 | 4.65% 10-K/A · filed 2025-05-20 | ||
| 2021-12-31 | 5.90% 10-K · filed 2024-03-15 | ||
| 2020-12-31 | 5.90% 10-K/A · filed 2023-08-14 | ||
| 2019-12-31 | 5.90% 10-K · filed 2021-02-26 | ||
| 2018-12-31 | 5.90% 10-K · filed 2022-02-25 | ||
| 2017-12-31 | 5.90% 10-K · filed 2020-02-25 | ||
| 2016-12-31 | 5.40% 10-K · filed 2019-02-28 | ||
| 2015-12-31 | 5.40% 10-K · filed 2018-02-23 | ||
| 2014-12-31 | 5.40% 10-K · filed 2017-02-24 | ||
| 2013-12-31 | 5.40% 10-K · filed 2016-02-24 | ||
| 2012-12-31 | 5.40% 10-K · filed 2015-02-24 |
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