KOPPERS HOLDINGS INC. Amortization of Debt Discount (Premium)
KOPPERS HOLDINGS INC. (KOP) reported Amortization of Debt Discount (Premium) of $1.90 million for the 6-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Cash Flow › Operating Activities
us-gaap:AmortizationOfDebtDiscountPremium · last filed 2026-08-06
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for the quarter ending 2026-06-30 was $1.00M, a 0.00% change year-over-year.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for the quarter ending 2026-03-31 was $900.00K, a 0.00% change year-over-year.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for the quarter ending 2025-12-31 was $900.00K, a 12.50% increase year-over-year.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for the quarter ending 2025-09-30 was $900.00K, a 0.00% change year-over-year.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for fiscal 2025 was $3.70M, a 12.12% increase from fiscal 2024.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for fiscal 2024 was $3.30M, a 32.65% decline from fiscal 2023.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for fiscal 2023 was $4.90M, a 75.00% increase from fiscal 2022.
- KOPPERS HOLDINGS INC. amortization of debt discount (premium) for fiscal 2022 was $2.80M, a 3.70% increase from fiscal 2021.
| Period end | Amortization of Debt Discount (Premium) 3 month | Amortization of Debt Discount (Premium) 6 month | Amortization of Debt Discount (Premium) 9 month | Amortization of Debt Discount (Premium) 12 month |
|---|---|---|---|---|
| 2026-06-30 | $1.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06 | $1.90M 10-Q · filed 2026-08-06 | $2.80M derived: sum of 3 quarters · filed 2026-08-06 | $3.70M derived: sum of 4 quarters · filed 2026-08-06 |
| 2026-03-31 | $900.00K 10-Q · filed 2026-05-08 | $1.80M derived: sum of 2 quarters · filed 2026-05-08 | $2.70M derived: sum of 3 quarters · filed 2026-05-08 | $3.70M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-12-31 | $900.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $1.80M derived: sum of 2 quarters · filed 2026-02-26 | $2.80M derived: sum of 3 quarters · filed 2026-08-06 | $3.70M 10-K · filed 2026-02-26 |
| 2025-09-30 | $900.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-07 | $1.90M derived: sum of 2 quarters · filed 2026-08-06 | $2.80M 10-Q · filed 2025-11-07 | $3.60M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-06-30 | $1.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06 | $1.90M 10-Q · filed 2026-08-06 | $2.70M derived: sum of 3 quarters · filed 2026-08-06 | $3.60M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-03-31 | $900.00K 10-Q · filed 2026-05-08 | $1.70M derived: sum of 2 quarters · filed 2026-05-08 | $2.60M derived: sum of 3 quarters · filed 2026-05-08 | $3.40M derived: sum of 4 quarters · filed 2026-05-08 |
| 2024-12-31 | $800.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $1.70M derived: sum of 2 quarters · filed 2026-02-26 | $2.50M derived: sum of 3 quarters · filed 2026-02-26 | $3.30M 10-K · filed 2026-02-26 |
| 2024-09-30 | $900.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-07 | $1.70M derived: sum of 2 quarters · filed 2025-11-07 | $2.50M 10-Q · filed 2025-11-07 | $3.30M derived: sum of 4 quarters · filed 2026-02-26 |
| 2024-06-30 | $800.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2025-08-08 | $1.60M 10-Q · filed 2025-08-08 | $2.40M derived: sum of 3 quarters · filed 2026-02-26 | $3.20M derived: sum of 4 quarters · filed 2026-02-26 |
| 2024-03-31 | $800.00K 10-Q · filed 2025-05-09 | $1.60M derived: sum of 2 quarters · filed 2026-02-26 | $2.40M derived: sum of 3 quarters · filed 2026-02-26 | $5.10M derived: sum of 4 quarters · filed 2026-02-26 |
| 2023-12-31 | $800.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $1.60M derived: sum of 2 quarters · filed 2026-02-26 | $4.30M derived: sum of 3 quarters · filed 2026-02-26 | $4.90M 10-K · filed 2026-02-26 |
| 2023-09-30 | $800.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2024-11-08 | $3.50M derived: sum of 2 quarters · filed 2024-11-08 | $4.10M 10-Q · filed 2024-11-08 | $4.70M derived: sum of 4 quarters · filed 2025-02-27 |
| 2023-06-30 | $2.70M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-08 | $3.30M 10-Q · filed 2024-08-08 | $3.90M derived: sum of 3 quarters · filed 2025-02-27 | $4.40M derived: sum of 4 quarters · filed 2025-02-27 |
| 2023-03-31 | $600.00K 10-Q · filed 2024-05-03 | $1.20M derived: sum of 2 quarters · filed 2025-02-27 | $1.70M derived: sum of 3 quarters · filed 2025-02-27 | $2.70M derived: sum of 4 quarters · filed 2025-02-27 |
| 2022-12-31 | $600.00K derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-27 | $1.10M derived: sum of 2 quarters · filed 2025-02-27 | $2.10M derived: sum of 3 quarters · filed 2025-02-27 | $2.80M 10-K · filed 2025-02-27 |
| 2022-09-30 | $500.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-03 | $1.50M derived: sum of 2 quarters · filed 2023-11-03 | $2.20M 10-Q · filed 2023-11-03 | $2.90M derived: sum of 4 quarters · filed 2024-02-28 |
| 2022-06-30 | $1.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2023-08-03 | $1.70M 10-Q · filed 2023-08-03 | $2.40M derived: sum of 3 quarters · filed 2024-02-28 | $3.10M derived: sum of 4 quarters · filed 2024-02-28 |
| 2022-03-31 | $700.00K 10-Q · filed 2023-05-05 | $1.40M derived: sum of 2 quarters · filed 2024-02-28 | $2.10M derived: sum of 3 quarters · filed 2024-02-28 | $2.70M derived: sum of 4 quarters · filed 2024-02-28 |
| 2021-12-31 | $700.00K derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-28 | $1.40M derived: sum of 2 quarters · filed 2024-02-28 | $2.00M derived: sum of 3 quarters · filed 2024-02-28 | $2.70M 10-K · filed 2024-02-28 |
| 2021-09-30 | $700.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2022-11-04 | $1.30M derived: sum of 2 quarters · filed 2022-11-04 | $2.00M 10-Q · filed 2022-11-04 | $2.60M derived: sum of 4 quarters · filed 2023-02-27 |
| 2021-06-30 | $600.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2022-08-04 | $1.30M 10-Q · filed 2022-08-04 | $1.90M derived: sum of 3 quarters · filed 2023-02-27 | $2.60M derived: sum of 4 quarters · filed 2023-02-27 |
| 2021-03-31 | $700.00K 10-Q · filed 2022-05-06 | $1.30M derived: sum of 2 quarters · filed 2023-02-27 | $2.00M derived: sum of 3 quarters · filed 2023-02-27 | $2.60M derived: sum of 4 quarters · filed 2023-02-27 |
| 2020-12-31 | $600.00K derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-27 | $1.30M derived: sum of 2 quarters · filed 2023-02-27 | $1.90M derived: sum of 3 quarters · filed 2023-02-27 | $2.60M 10-K · filed 2023-02-27 |
| 2020-09-30 | $700.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2021-11-04 | $1.30M derived: sum of 2 quarters · filed 2021-11-04 | $2.00M 10-Q · filed 2021-11-04 | $2.70M derived: sum of 4 quarters · filed 2022-02-23 |
| 2020-06-30 | $600.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2021-08-06 | $1.30M 10-Q · filed 2021-08-06 | $2.00M derived: sum of 3 quarters · filed 2022-02-23 | $2.70M derived: sum of 4 quarters · filed 2022-02-23 |
| 2020-03-31 | $700.00K 10-Q · filed 2021-05-07 | $1.40M derived: sum of 2 quarters · filed 2022-02-23 | $2.10M derived: sum of 3 quarters · filed 2022-02-23 | $2.70M derived: sum of 4 quarters · filed 2022-02-23 |
| 2019-12-31 | $700.00K derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | $1.40M derived: sum of 2 quarters · filed 2022-02-23 | $2.00M derived: sum of 3 quarters · filed 2022-02-23 | $2.60M 10-K · filed 2022-02-23 |
| 2019-09-30 | $700.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2020-11-04 | $1.30M derived: sum of 2 quarters · filed 2020-11-04 | $1.90M 10-Q · filed 2020-11-04 | $2.50M derived: sum of 4 quarters · filed 2021-02-24 |
| 2019-06-30 | $600.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2020-08-05 | $1.20M 10-Q · filed 2020-08-05 | $1.80M derived: sum of 3 quarters · filed 2021-02-24 | $2.40M derived: sum of 4 quarters · filed 2021-02-24 |
| 2019-03-31 | $600.00K 10-Q · filed 2020-05-07 | $1.20M derived: sum of 2 quarters · filed 2021-02-24 | $1.80M derived: sum of 3 quarters · filed 2021-02-24 | $2.50M derived: sum of 4 quarters · filed 2021-02-24 |
| 2018-12-31 | $600.00K derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-24 | $1.20M derived: sum of 2 quarters · filed 2021-02-24 | $1.90M derived: sum of 3 quarters · filed 2021-02-24 | $2.40M 10-K · filed 2021-02-24 |
| 2018-09-30 | $600.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2019-11-07 | $1.30M derived: sum of 2 quarters · filed 2019-11-07 | $1.80M 10-Q · filed 2019-11-07 | $2.40M derived: sum of 4 quarters · filed 2020-02-27 |
| 2018-06-30 | $700.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-08 | $1.20M 10-Q · filed 2019-08-08 | $1.80M derived: sum of 3 quarters · filed 2020-02-27 | $2.30M derived: sum of 4 quarters · filed 2020-02-27 |
| 2018-03-31 | $500.00K 10-Q · filed 2019-05-03 | $1.10M derived: sum of 2 quarters · filed 2020-02-27 | $1.60M derived: sum of 3 quarters · filed 2020-02-27 | $2.10M derived: sum of 4 quarters · filed 2020-02-27 |
| 2017-12-31 | $600.00K derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-27 | $1.10M derived: sum of 2 quarters · filed 2020-02-27 | $1.60M derived: sum of 3 quarters · filed 2020-02-27 | $2.10M 10-K · filed 2020-02-27 |
| 2017-09-30 | $500.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2018-11-08 | $1.00M derived: sum of 2 quarters · filed 2018-11-08 | $1.50M 10-Q · filed 2018-11-08 | $2.40M derived: sum of 4 quarters · filed 2019-03-01 |
| 2017-06-30 | $500.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2018-08-09 | $1.00M 10-Q · filed 2018-08-09 | $1.90M derived: sum of 3 quarters · filed 2019-03-01 | $2.80M derived: sum of 4 quarters · filed 2019-03-01 |
| 2017-03-31 | $500.00K 10-Q · filed 2018-05-03 | $1.40M derived: sum of 2 quarters · filed 2019-03-01 | $2.30M derived: sum of 3 quarters · filed 2019-03-01 | $5.30M derived: sum of 4 quarters · filed 2019-03-01 |
| 2016-12-31 | $900.00K derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-01 | $1.80M derived: sum of 2 quarters · filed 2019-03-01 | $4.80M derived: sum of 3 quarters · filed 2019-03-01 | $5.70M 10-K · filed 2019-03-01 |
| 2016-09-30 | $900.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-09 | $3.90M derived: sum of 2 quarters · filed 2017-11-09 | $4.80M 10-Q · filed 2017-11-09 | $5.70M derived: sum of 4 quarters · filed 2018-02-27 |
| 2016-06-30 | $3.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2017-08-03 | $3.90M 10-Q · filed 2017-08-03 | $4.80M derived: sum of 3 quarters · filed 2018-02-27 | $5.70M derived: sum of 4 quarters · filed 2018-02-27 |
| 2016-03-31 | $900.00K 10-Q · filed 2017-05-08 | $1.80M derived: sum of 2 quarters · filed 2018-02-27 | $2.70M derived: sum of 3 quarters · filed 2018-02-27 | $3.60M derived: sum of 4 quarters · filed 2018-02-27 |
| 2015-12-31 | $900.00K derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-27 | $1.80M derived: sum of 2 quarters · filed 2018-02-27 | $2.70M derived: sum of 3 quarters · filed 2018-02-27 | $3.60M 10-K · filed 2018-02-27 |
| 2015-09-30 | $900.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2016-11-03 | $1.80M derived: sum of 2 quarters · filed 2016-11-03 | $2.70M 10-Q · filed 2016-11-03 | $3.50M derived: sum of 4 quarters · filed 2017-02-24 |
| 2015-06-30 | $900.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-04 | $1.80M 10-Q · filed 2016-08-04 | $2.60M derived: sum of 3 quarters · filed 2017-02-24 | $5.20M derived: sum of 4 quarters · filed 2017-02-24 |
| 2015-03-31 | $900.00K 10-Q · filed 2016-05-06 | $1.70M derived: sum of 2 quarters · filed 2017-02-24 | $4.30M derived: sum of 3 quarters · filed 2017-02-24 | $4.70M derived: sum of 4 quarters · filed 2017-02-24 |
| 2014-12-31 | $800.00K derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | $3.40M derived: sum of 2 quarters · filed 2017-02-24 | $3.80M derived: sum of 3 quarters · filed 2017-02-24 | $4.20M 10-K · filed 2017-02-24 |
| 2014-09-30 | $2.60M derived: 10-Q 9 month − 10-Q 6 month · filed 2015-11-05 | $3.00M derived: sum of 2 quarters · filed 2015-11-05 | $3.40M 10-Q · filed 2015-11-05 | $3.90M derived: sum of 4 quarters · filed 2016-02-29 |
| 2014-06-30 | $400.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2015-08-06 | $800.00K 10-Q · filed 2015-08-06 | $1.30M derived: sum of 3 quarters · filed 2016-02-29 | $1.70M derived: sum of 4 quarters · filed 2016-02-29 |
| 2014-03-31 | $400.00K 10-Q · filed 2015-05-08 | $900.00K derived: sum of 2 quarters · filed 2016-02-29 | $1.30M derived: sum of 3 quarters · filed 2016-02-29 | $1.70M derived: sum of 4 quarters · filed 2016-02-29 |
| 2013-12-31 | $500.00K derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-29 | $900.00K derived: sum of 2 quarters · filed 2016-02-29 | $1.30M derived: sum of 3 quarters · filed 2016-02-29 | $1.70M 10-K · filed 2016-02-29 |
| 2013-09-30 | $400.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2014-11-10 | $800.00K derived: sum of 2 quarters · filed 2014-11-10 | $1.20M 10-Q · filed 2014-11-10 | $1.70M derived: sum of 4 quarters · filed 2015-03-02 |
| 2013-06-30 | $400.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2014-08-07 | $800.00K 10-Q · filed 2014-08-07 | $1.30M derived: sum of 3 quarters · filed 2015-03-02 | $1.70M derived: sum of 4 quarters · filed 2015-03-02 |
| 2013-03-31 | $400.00K 10-Q · filed 2014-05-07 | $900.00K derived: sum of 2 quarters · filed 2015-03-02 | $1.30M derived: sum of 3 quarters · filed 2015-03-02 | $1.70M derived: sum of 4 quarters · filed 2015-03-02 |
| 2012-12-31 | $500.00K derived: 10-K 12 month − 10-Q 9 month · filed 2015-03-02 | $900.00K derived: sum of 2 quarters · filed 2015-03-02 | $1.30M derived: sum of 3 quarters · filed 2015-03-02 | $1.70M 10-K · filed 2015-03-02 |
| 2012-09-30 | $400.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2013-11-07 | $800.00K derived: sum of 2 quarters · filed 2013-11-07 | $1.20M 10-Q · filed 2013-11-07 | |
| 2012-06-30 | $400.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2013-08-08 | $800.00K 10-Q · filed 2013-08-08 | ||
| 2012-03-31 | $400.00K 10-Q · filed 2013-05-03 | |||
| 2011-12-31 | $1.60M 10-K · filed 2014-03-03 |
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