Koppers Holdings Inc. Koppers Holdings Inc. (KOP) earnings
KOP earnings moved a median of +0.35% by the close. Quarterly and annual KOP reports and results, each read against the price at its own news timestamp. Back to the KOP overview →
33 measured KOP earnings events.
Where these KOP earnings landedvs 33 measured KOP earnings reactions
| Middle 50% of KOP earnings reactions | -0.96% to +2.44% |
|---|---|
| Median reaction (to close) | +0.35% |
| Measured reactions | 33 |
Point-in-time · zero look-ahead
Half of the 33 KOP earnings events with a measured close landed between -0.96% and +2.44%; 64% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 10-Q Koppers Holdings Inc. For: Jun 30 | SEC filing · Form 10-Q | +0.10% | +3.07% | |
| KOPPERS REPORTS SECOND QUARTER 2026 RESULTS | Press release | +1.44% | +7.61% | |
| Koppers Holdings Inc. Schedules Second Quarter 2026 Conference Call | Press release | -0.06% | -2.08% | |
| Form 10-Q Koppers Holdings Inc. For: Mar 31 | SEC filing · Form 10-Q | -0.55% | -3.81% | |
| KOPPERS REPORTS FIRST QUARTER 2026 RESULTS | Press release | -1.94% | -0.88% | |
| Koppers Holdings Inc. Schedules First Quarter 2026 Conference Call | Press release | -0.33% | +3.28% | |
| Koppers Holdings Publishes 2025 Annual Report | Press release | -0.61% | +0.18% | |
| Form 10-K Koppers Holdings Inc. For: Dec 31 | SEC filing · Form 10-K | — | +5.29% | |
| Form 10-Q Koppers Holdings Inc. For: Sep 30 | SEC filing · Form 10-Q | +0.25% | +1.64% | |
| KOPPERS REPORTS THIRD QUARTER 2025 RESULTS | Press release | -0.80% | -6.81% | |
| Koppers Holdings Inc. Schedules Third Quarter 2025 Conference Call | Press release | +0.07% | +0.07% | |
| Form 10-Q Koppers Holdings Inc. For: Jun 30 | SEC filing · Form 10-Q | +2.73% | +4.87% | |
| KOPPERS REPORTS SECOND QUARTER 2025 RESULTS; REVISES 2025 OUTLOOK | Press release | -0.28% | +0.35% | |
| Koppers Holdings Inc. Schedules Second Quarter 2025 Conference Call | Press release | +0.00% | +3.47% | |
| Form 10-Q Koppers Holdings Inc. For: Mar 31 | SEC filing · Form 10-Q | +0.39% | -0.39% | |
| KOPPERS REPORTS FIRST QUARTER 2025 RESULTS; MAINTAINS 2025 OUTLOOK FOR ADJUSTED EBITDA AND EPS | Press release | +2.06% | -3.77% | |
| Koppers Holdings Inc. Schedules First Quarter 2025 Conference Call | Press release | +0.00% | +0.48% | |
| Koppers Holdings Announces Availability of 2024 Annual Report | Press release | +1.52% | +1.60% | |
| Form 10-K Koppers Holdings Inc. For: Dec 31 | SEC filing · Form 10-K | -2.23% | +1.33% | |
| Form 10-Q Koppers Holdings Inc. For: Sep 30 | SEC filing · Form 10-Q | — | +0.98% | |
| Koppers Reports Third Quarter 2024 Results; Reaffirms 2024 Outlook | Press release | +0.75% | -4.81% | |
| Koppers Holdings Inc. Schedules Third Quarter 2024 Conference Call | Press release | +0.00% | -1.66% | |
| Form 10-Q Koppers Holdings Inc. For: Jun 30 | SEC filing · Form 10-Q | +0.10% | -1.99% | |
| Koppers Reports Second Quarter 2024 Results; Reaffirms 2024 Outlook | Press release | +0.00% | +0.31% | |
| Koppers Holdings Inc. Schedules Second Quarter 2024 Conference Call | Press release | -0.10% | +2.27% | |
| Form 10-Q Koppers Holdings Inc. For: Mar 31 | SEC filing · Form 10-Q | -0.38% | -0.92% | |
| Koppers Reports First Quarter 2024 Results; Provides Updated 2024 Outlook | Press release | -0.60% | -10.92% | |
| Koppers Holdings Inc. Schedules First Quarter 2024 Conference Call | Press release | +0.00% | +0.64% | |
| Koppers Holdings Announces Availability of 2023 Annual Report | Press release | +0.00% | +2.81% | |
| Form 10-K Koppers Holdings Inc. For: Dec 31 | SEC filing · Form 10-K | +0.22% | +2.44% | |
| Form 10-Q Koppers Holdings Inc. For: Sep 30 | SEC filing · Form 10-Q | +0.05% | +0.29% | |
| Koppers Reports Third Quarter 2023 Results; Reaffirms 2023 Outlook | Press release | +0.00% | +3.72% | |
| Koppers Holdings Inc. Schedules Third Quarter 2023 Conference Call | Press release | -0.06% | -0.96% |
Keep exploring
More KOP: analyst actions → · SEC filings → · KOP overview →
Other Basic Materials names and their earnings
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Minerals Technologies Inc. (MTX) | 434 | -0.03% | 45% |
| Gevo, Inc. (GEVO) | 433 | +0.08% | 51% |
| Beacon Roofing Supply, Inc. (BECN) | 431 | +0.03% | 52% |
| HI-CRUSH PARTNERS (HCLP) | 431 | -0.06% | 43% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not. These are each name’s all-news baseline, not its earnings — that is what the link opens.