Koppers Holdings Inc. (KOP)

Typically moves ±4.76% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-11-06 APPROXIMATE

Since Mar 10, 2006, Koppers Holdings Inc. (KOP) has reported earnings 83 times. On average the shares move ±4.76% post-earnings, with a positive reaction 48.2% of the time. Its largest post-earnings gain was +17.39% (Nov 07, 2019) and its largest decline was -16.9% (May 03, 2024). The next earnings report is predicted for 2026-11-06 (approximate).

Earnings reactions

How KOP moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±4.76%

Positive %

48.2%

Negative %

51.8%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Aug 06, 2026	☀ PRE	+2.44%	open_in_new
May 08, 2026	☀ PRE	+6.2%	open_in_new
Feb 26, 2026	☀ PRE	+7.88%	open_in_new
Nov 07, 2025	☀ PRE	-4.1%	open_in_new
Aug 08, 2025	☀ PRE	-13.32%	open_in_new
May 09, 2025	☀ PRE	+3.44%	open_in_new
Feb 27, 2025	☀ PRE	-9.36%	open_in_new
Nov 08, 2024	☀ PRE	-2.13%	open_in_new
Aug 08, 2024	☀ PRE	+0.71%	open_in_new
May 03, 2024	☀ PRE	-16.9%	open_in_new
Feb 28, 2024	☀ PRE	+7.64%	open_in_new
Nov 03, 2023	☀ PRE	+1.42%	open_in_new
Aug 03, 2023	☀ PRE	+1.32%	open_in_new
May 05, 2023	☀ PRE	+5.94%	open_in_new
Feb 27, 2023	☀ PRE	+2.5%	open_in_new
Nov 04, 2022	☀ PRE	+14.84%	open_in_new
Aug 04, 2022	☀ PRE	-3.44%	open_in_new
May 06, 2022	☀ PRE	-4.95%	open_in_new
Feb 23, 2022	☀ PRE	+4.92%	open_in_new
Nov 04, 2021	☀ PRE	-13.09%	open_in_new
Aug 06, 2021	☀ PRE	+2.08%	open_in_new
May 07, 2021	☽ POST	-3.32%	open_in_new
Feb 24, 2021	☀ PRE	-3.82%	open_in_new
Nov 04, 2020	☀ PRE	-4.52%	open_in_new
Aug 05, 2020	☀ PRE	+4.9%	open_in_new
May 07, 2020	☀ PRE	+6.91%	open_in_new
Feb 27, 2020	☀ PRE	-15.23%	open_in_new
Nov 07, 2019	☀ PRE	+17.39%	open_in_new
Aug 08, 2019	☀ PRE	+17.18%	open_in_new
May 03, 2019	☀ PRE	+9.86%	open_in_new
Mar 01, 2019	☀ PRE	+6.38%	open_in_new
Nov 08, 2018	☽ POST	-8.59%	open_in_new
Aug 09, 2018	☀ PRE	-7.77%	open_in_new
May 03, 2018	☀ PRE	-3.52%	open_in_new
Feb 27, 2018	☀ PRE	-1.08%	open_in_new
Nov 09, 2017	☀ PRE	+7.82%	open_in_new
Aug 03, 2017	☀ PRE	+5.45%	open_in_new
May 05, 2017	☽ POST	-9.01%	open_in_new
Feb 23, 2017	☀ PRE	-0.92%	open_in_new
Nov 03, 2016	☽ POST	-5.53%	open_in_new
Aug 04, 2016	☽ POST	+0.03%	open_in_new
May 06, 2016	☽ POST	-4.43%	open_in_new
Feb 26, 2016	☽ POST	-1.13%	open_in_new
Nov 05, 2015	☽ POST	+13.84%	open_in_new
Aug 06, 2015	☽ POST	-0.75%	open_in_new
May 08, 2015	☽ POST	+2.37%	open_in_new
Feb 26, 2015	☽ POST	-12.77%	open_in_new
Nov 06, 2014	☽ POST	+0.78%	open_in_new
Aug 07, 2014	☽ POST	-0.23%	open_in_new
May 05, 2014	☽ POST	-6.86%	open_in_new
Feb 13, 2014	☽ POST	-2.48%	open_in_new
Nov 07, 2013	☽ POST	+5.01%	open_in_new
Aug 08, 2013	☽ POST	-2.09%	open_in_new
May 03, 2013	☽ POST	-1.24%	open_in_new
Feb 14, 2013	☽ POST	-0.05%	open_in_new
Nov 08, 2012	☽ POST	-0.24%	open_in_new
Aug 09, 2012	☽ POST	-1.14%	open_in_new
May 04, 2012	☽ POST	+0.1%	open_in_new
Feb 16, 2012	☽ POST	+1.94%	open_in_new
Nov 03, 2011	☽ POST	+0.14%	open_in_new
Aug 05, 2011	☽ POST	-11.68%	open_in_new
May 09, 2011	☽ POST	+1.6%	open_in_new
Feb 17, 2011	☽ POST	+2.32%	open_in_new
Nov 05, 2010	☽ POST	-0.58%	open_in_new
Aug 06, 2010	☀ PRE	-2.12%	open_in_new
May 07, 2010	☽ POST	+9.21%	open_in_new
Feb 18, 2010	☽ POST	+3.39%	open_in_new
Nov 06, 2009	☽ POST	+2.9%	open_in_new
Aug 06, 2009	☽ POST	+4.75%	open_in_new
May 08, 2009	☽ POST	-6.29%	open_in_new
Feb 18, 2009	☽ POST	-2.98%	open_in_new
Nov 07, 2008	☽ POST	-0.95%	open_in_new
Aug 07, 2008	☽ POST	+2.72%	open_in_new
May 09, 2008	☽ POST	+0.1%	open_in_new
Feb 22, 2008	☽ POST	-0.1%	open_in_new
Nov 08, 2007	☽ POST	-0.65%	open_in_new
Aug 09, 2007	☽ POST	+2.39%	open_in_new
May 04, 2007	☽ POST	-1%	open_in_new
Feb 20, 2007	☽ POST	+1.47%	open_in_new
Nov 07, 2006	☽ POST	+3.28%	open_in_new
Aug 07, 2006	☽ POST	-1.57%	open_in_new
May 11, 2006	☽ POST	-5.78%	open_in_new
Mar 10, 2006	☽ POST	-1.85%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±4.76%

Avg % price change on earnings

description

SEC Filings

View

Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 27 →

Funds holding

$273838918

Total value held

Buying

20 added · 7 reduced

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SEC Filing Types

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
4	20260901	open_in_new SEC.gov
4	20260820	open_in_new SEC.gov
4	20260813	open_in_new SEC.gov
144	20260812	open_in_new SEC.gov
4	20260812	open_in_new SEC.gov
144	20260811	open_in_new SEC.gov
4	20260811	open_in_new SEC.gov
4	20260811	open_in_new SEC.gov
144	20260810	open_in_new SEC.gov
144	20260807	open_in_new SEC.gov

Frequently asked about KOP earnings

When does Koppers Holdings Inc. report earnings next? expand_more

Koppers Holdings Inc. (KOP)'s next earnings date is approximate for 2026-11-06. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does KOP stock move after earnings? expand_more

Over 83 reports, KOP has moved an average of ±4.76% the session after earnings, closing higher 48.2% of the time.

What was KOP's biggest post-earnings move? expand_more

KOP's largest post-earnings gain on record was +17.39% on Nov 07, 2019, and its largest decline was -16.9% on May 03, 2024.

Where can I find Koppers Holdings Inc.'s SEC filings? expand_more

All of Koppers Holdings Inc.'s SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.