KOPPERS HOLDINGS INC. Defined Benefit Plan, Expected Return (Loss) on Plan Assets
KOPPERS HOLDINGS INC. (KOP) reported Defined Benefit Plan, Expected Return (Loss) on Plan Assets of $500.00 thousand for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Notes › Compensation Related Costs › Defined Benefit Plan
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets · last filed 2026-08-06
- KOPPERS HOLDINGS INC. defined benefit plan, expected return (loss) on plan assets for the quarter ending 2026-06-30 was $500.00K, a 0.00% change year-over-year.
- KOPPERS HOLDINGS INC. defined benefit plan, expected return (loss) on plan assets for the quarter ending 2026-03-31 was $500.00K, a 37.50% decline year-over-year.
- KOPPERS HOLDINGS INC. defined benefit plan, expected return (loss) on plan assets for the quarter ending 2025-09-30 was $500.00K, a 66.67% decline year-over-year.
- KOPPERS HOLDINGS INC. defined benefit plan, expected return (loss) on plan assets for the quarter ending 2025-06-30 was $500.00K, a 68.75% decline year-over-year.
| Period end | Defined Benefit Plan, Expected Return (Loss) on Plan Assets 3 month | Defined Benefit Plan, Expected Return (Loss) on Plan Assets 6 month | Defined Benefit Plan, Expected Return (Loss) on Plan Assets 9 month |
|---|---|---|---|
| 2026-06-30 | $500.00K 10-Q · filed 2026-08-06 | $1.00M 10-Q · filed 2026-08-06 | |
| 2026-03-31 | $500.00K 10-Q · filed 2026-05-08 | ||
| 2025-09-30 | $500.00K 10-Q · filed 2025-11-07 | $1.00M derived: sum of 2 quarters · filed 2026-08-06 | $1.80M 10-Q · filed 2025-11-07 |
| 2025-06-30 | $500.00K 10-Q · filed 2026-08-06 | $1.30M 10-Q · filed 2026-08-06 | |
| 2025-03-31 | $800.00K 10-Q · filed 2026-05-08 | ||
| 2024-09-30 | $1.50M 10-Q · filed 2025-11-07 | $3.10M derived: sum of 2 quarters · filed 2025-11-07 | $4.60M 10-Q · filed 2025-11-07 |
| 2024-06-30 | $1.60M 10-Q · filed 2025-08-08 | $3.10M 10-Q · filed 2025-08-08 | |
| 2024-03-31 | $1.50M 10-Q · filed 2025-05-09 | ||
| 2023-09-30 | $1.70M 10-Q · filed 2024-11-08 | $3.50M derived: sum of 2 quarters · filed 2024-11-08 | $5.20M 10-Q · filed 2024-11-08 |
| 2023-06-30 | $1.80M 10-Q · filed 2024-08-08 | $3.50M 10-Q · filed 2024-08-08 | |
| 2023-03-31 | $1.70M 10-Q · filed 2024-05-03 | ||
| 2022-09-30 | $1.90M 10-Q · filed 2023-11-03 | $3.80M derived: sum of 2 quarters · filed 2023-11-03 | $5.80M 10-Q · filed 2023-11-03 |
| 2022-06-30 | $1.90M 10-Q · filed 2023-08-03 | $3.90M 10-Q · filed 2023-08-03 | |
| 2022-03-31 | $2.00M 10-Q · filed 2023-05-05 | ||
| 2021-09-30 | $1.80M 10-Q · filed 2022-11-04 | $3.70M derived: sum of 2 quarters · filed 2022-11-04 | $5.50M 10-Q · filed 2022-11-04 |
| 2021-06-30 | $1.90M 10-Q · filed 2022-08-04 | $3.70M 10-Q · filed 2022-08-04 | |
| 2021-03-31 | $1.80M 10-Q · filed 2022-05-06 | ||
| 2020-09-30 | $2.00M 10-Q · filed 2021-11-04 | $3.80M derived: sum of 2 quarters · filed 2021-11-04 | $5.80M 10-Q · filed 2021-11-04 |
| 2020-06-30 | $1.80M 10-Q · filed 2021-08-06 | $3.80M 10-Q · filed 2021-08-06 | |
| 2020-03-31 | $2.00M 10-Q · filed 2021-05-07 | ||
| 2019-09-30 | $1.90M 10-Q · filed 2020-11-04 | $3.90M derived: sum of 2 quarters · filed 2020-11-04 | $5.90M 10-Q · filed 2020-11-04 |
| 2019-06-30 | $2.00M 10-Q · filed 2020-08-05 | $4.00M 10-Q · filed 2020-08-05 | |
| 2019-03-31 | $2.00M 10-Q · filed 2020-05-07 | ||
| 2018-09-30 | $2.10M 10-Q · filed 2019-11-07 | $4.30M derived: sum of 2 quarters · filed 2019-11-07 | $6.40M 10-Q · filed 2019-11-07 |
| 2018-06-30 | $2.20M 10-Q · filed 2019-08-08 | $4.30M 10-Q · filed 2019-08-08 | |
| 2018-03-31 | $2.10M 10-Q · filed 2019-05-03 | ||
| 2017-09-30 | $2.40M 10-Q · filed 2018-11-08 | $4.90M derived: sum of 2 quarters · filed 2018-11-08 | $7.40M 10-Q · filed 2018-11-08 |
| 2017-06-30 | $2.50M 10-Q · filed 2018-08-09 | $5.00M 10-Q · filed 2018-08-09 | |
| 2017-03-31 | $2.50M 10-Q · filed 2018-05-03 | ||
| 2016-09-30 | $2.60M 10-Q · filed 2017-11-09 | $5.20M derived: sum of 2 quarters · filed 2017-11-09 | $7.90M 10-Q · filed 2017-11-09 |
| 2016-06-30 | $2.60M 10-Q · filed 2017-08-03 | $5.30M 10-Q · filed 2017-08-03 | |
| 2016-03-31 | $2.70M 10-Q · filed 2017-05-08 | ||
| 2015-09-30 | $3.00M 10-Q · filed 2016-11-03 | $6.00M derived: sum of 2 quarters · filed 2016-11-03 | $9.00M 10-Q · filed 2016-11-03 |
| 2015-06-30 | $3.00M 10-Q · filed 2016-08-04 | $6.00M 10-Q · filed 2016-08-04 | |
| 2015-03-31 | $3.00M 10-Q · filed 2016-05-06 | ||
| 2014-09-30 | $3.50M 10-Q · filed 2015-11-05 | $7.00M derived: sum of 2 quarters · filed 2015-11-05 | $10.50M 10-Q · filed 2015-11-05 |
| 2014-06-30 | $3.50M 10-Q · filed 2015-08-06 | $7.00M 10-Q · filed 2015-08-06 | |
| 2014-03-31 | $3.50M 10-Q · filed 2015-05-08 | ||
| 2013-09-30 | $3.20M 10-Q · filed 2014-11-10 | $6.30M derived: sum of 2 quarters · filed 2014-11-10 | $9.50M 10-Q · filed 2014-11-10 |
| 2013-06-30 | $3.10M 10-Q · filed 2014-08-07 | $6.30M 10-Q · filed 2014-08-07 | |
| 2013-03-31 | $3.20M 10-Q · filed 2014-05-07 | ||
| 2012-09-30 | $2.70M 10-Q · filed 2013-11-07 | $5.30M derived: sum of 2 quarters · filed 2013-11-07 | $8.00M 10-Q · filed 2013-11-07 |
| 2012-06-30 | $2.60M 10-Q · filed 2012-08-09 | $5.30M 10-Q · filed 2013-08-08 | |
| 2012-03-31 | $2.70M 10-Q · filed 2013-05-03 | ||
| 2011-09-30 | $2.80M 10-Q · filed 2012-11-09 | $5.50M derived: sum of 2 quarters · filed 2012-11-09 | $8.30M 10-Q · filed 2012-11-09 |
| 2011-06-30 | $2.70M 10-Q · filed 2012-08-09 | $5.50M 10-Q · filed 2012-08-09 | |
| 2011-03-31 | $2.80M 8-K · filed 2012-06-27 |
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