ADTRAN Holdings, Inc. Defined Benefit Plan, Funded (Unfunded) Status of Plan
ADTRAN Holdings, Inc. (ADTN) had Defined Benefit Plan, Funded (Unfunded) Status of Plan of -$4.36 million as of 2025-12-31, per its 10-K filed 2026-02-26.
Financial Statements › Notes › Compensation Related Costs › Retirement Benefits › Defined Benefit Plan › Defined Benefit Plan, Funded (Unfunded) Status of Plan
us-gaap:DefinedBenefitPlanFundedStatusOfPlan · last filed 2026-02-26
- 2025-12-31: Defined Benefit Plan, Funded (Unfunded) Status of Plan -$4.36M.
- 2024-12-31: Defined Benefit Plan, Funded (Unfunded) Status of Plan -$8.77M.
- 2023-12-31: Defined Benefit Plan, Funded (Unfunded) Status of Plan -$12.68M.
- 2022-12-31: Defined Benefit Plan, Funded (Unfunded) Status of Plan -$10.62M.
| Period end | Defined Benefit Plan, Funded (Unfunded) Status of Plan | Defined Benefit Plan, Funded (Unfunded) Status of Plan as first filed |
|---|---|---|
| 2025-12-31 | -$4.36M 10-K · filed 2026-02-26 | |
| 2024-12-31 | -$8.77M 10-K · filed 2026-02-26 | |
| 2023-12-31 | -$12.68M 10-K/A · filed 2025-05-20 | |
| 2022-12-31 | -$10.62M 10-K · filed 2024-03-15 | |
| 2021-12-31 | -$11.40M 10-K/A · filed 2023-08-14 | |
| 2020-12-31 | -$18.66M 10-K · filed 2022-02-25 | |
| 2019-12-31 | -$15.89M 10-K · filed 2021-02-26 | |
| 2018-12-31 | -$13.09M 10-K · filed 2020-02-25 | -$13.08M 10-K · filed 2019-02-28 |
| 2017-12-31 | -$8.27M 10-K · filed 2019-02-28 | |
| 2014-12-31 | -$10.17M 10-K · filed 2015-02-24 | |
| 2013-12-31 | -$2.58M 10-K · filed 2015-02-24 | |
| 2012-12-31 | -$2.56M 10-K · filed 2014-02-27 |
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