Market data loadingS&P 500--NASDAQ--Data as of latest ETNo timestamp

Koppers Holdings Inc. (KOP) SEC Filings & Earnings Calls

EquiReason read 16 Koppers Holdings Inc. SEC filings in the last 12 months. Latest: SC 13D/A on 2026-10-22 — Schedule 13D/A: Simcoe Capital Management, LLC 5.6%.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

KOPKoppers Holdings Inc.Follow KOP — free
Specialty Chemicals · Basic Materials
—
Price chart with a free account
Market cap
759.9M
P/E TTM
—
Dividend yield
0.8%
52-week
—
Next earnings
30 Oct, in 6 days

Every filing, read

last 12 months · SEC

What happened, the numbers inside, guidance and risks. The original is one click away.

22 Oct 2026SC 13D/ASchedule 13D/A: Simcoe Capital Management, LLC 5.6%SEC ↗
22 Oct 2026SC 13D/ASimcoe Capital Management increased its stake in Koppers Holdings to 5.6%, indicating potential activist pressure.open

Risks flagged

Activist investor pressure

“Simcoe Capital Management, LLC may be deemed the beneficial owner of the (i) 873,494 Shares owned by Simcoe Partners, (ii) 154,000 Shares owned by Simcoe Select and (iii) 35,785 Shares owned by SDR Partners. Percentage: approximately 5.6%”
Read the original on SEC EDGAR ↗
6 Aug 20268-K · 2.02Net sales $520M (+3% y/y); Net (loss) income $-148M (-999% y/y); Adjusted EBITDA $71M (-8% y/y)earningsopen

Figures in the filing · each found in the filing text

Net sales · Q2-2026$520M+3% y/y
Net (loss) income · Q2-2026$-148M-999% y/y
Adjusted EBITDA · Q2-2026$71M-8% y/y
Adjusted EPS · Q2-2026$1.37-7% y/y
Diluted EPS · Q2-2026$-7.71-1052% y/y
Operating cash flow · H1-2026$96M+246% y/y
Free cash flow · H1-2026$73M+5086% y/y
Capital expenditures · H1-2026$24M-10% y/y

Risks flagged

Significant impairment and restructuring charges ($215.8M) indicate operational challenges and asset write-downs, particularly in CMC segment.

“Net (loss) income of $(147.5) million, which included $215.8 million of impairment, restructuring and plant closure costs.” · word for word

Margin pressure from higher raw material costs, unfavorable pricing, and freight costs, especially in RUPS and CMC segments.

“Adjusted EBITDA decreased due to net sales price decreases and unfavorable sales mix, higher raw material costs.” · word for word
Read the original on SEC EDGAR ↗
6 Aug 202610-QKoppers reported Q2 2026 revenue up 3% YoY but adjusted EBITDA down 7.9% due to margin pressure and impairment charges.earningsopen

Figures in the filing · each found in the filing text

Adjusted EBITDA · Q2-2026$71M-8% y/y
Adjusted EBITDA margin · Q2-202613.6%
Net loss · Q2-2026$-148M-999% y/y
Operating cash flow · H1-2026$96M+246% y/y
Capital expenditures · FY2026$55M
Total net leverage ratio · Q2-2026$3.40
Cash interest coverage ratio · Q2-2026$4.40

Risks flagged

Impairment and restructuring risk

“Impairment, restructuring and plant closure costs (1) 215.8 17.6 223.6 37.6” · word for word

Margin pressure from input costs

“Cost of sales as a percentage of net sales was 79 percent, compared to 77 percent in the prior year period as higher raw material and freight costs were partly offset by higher sales volumes.” · word for word

Segment concentration risk

“CMC adjusted EBITDA decreased due to higher raw material, operating and selling, general and administrative expenses of $9.2 million” · word for word
Read the original on SEC EDGAR ↗
19 May 2026SC 13DSimcoe Capital Management and affiliates file Schedule 13D disclosing 7.0% beneficial ownership in Koppers Holdings, stating support for management's profitability and free cash flow plan.SEC ↗
19 May 2026SC 13DSimcoe Capital Management and affiliates file Schedule 13D disclosing 7.0% beneficial ownership in Koppers Holdings, stating support for management's profitability and free cash flow plan.SEC ↗
11 May 20268-K · 5.02, 7.01Reported the departure of a director or principal officer (CEO/CFO change); issued a Regulation FD disclosure (forward guidance or material update)open

Risks flagged

Leadership transition risk is low as interim CFO returns to prior role, ensuring continuity.

“Brad Pearce returns to Chief Accounting Officer role, maintaining financial reporting continuity.”
Read the original on SEC EDGAR ↗
8 May 202610-QNet sales $455M (-0% y/y); Net sales - Railroad and Utility Products and Services $220M (-6% y/y); Net sales - Performance Chemicals $142M (+18% y/y); Guidance: Capital expenditures expected to total approximately $55 millionopen

Figures in the filing · each found in the filing text

Net sales · Total · Q1-2026$455M-0% y/y
Net sales - Railroad and Utility Products and Services · Railroad and Utility Products and Services · Q1-2026$220M-6% y/y
Net sales - Performance Chemicals · Performance Chemicals · Q1-2026$142M+18% y/y
Net sales - Carbon Materials and Chemicals · Carbon Materials and Chemicals · Q1-2026$93M-7% y/y
Adjusted EBITDA · Total · Q1-2026$49M-11% y/y
Adjusted EBITDA - Railroad and Utility Products and Services · Railroad and Utility Products and Services · Q1-2026$23M-11% y/y
Adjusted EBITDA - Performance Chemicals · Performance Chemicals · Q1-2026$26M+28% y/y
Adjusted EBITDA - Carbon Materials and Chemicals · Carbon Materials and Chemicals · Q1-2026$900000.00-91% y/y
Net income (loss) · Q1-2026$7M
Operating cash flow · Q1-2026$46M

Guidance

Capital expenditures expected to total approximately $55 million

Company reaffirmed capex guidance of ~$55M for 2026, but did not provide explicit revenue or earnings guidance. Demand signals are mixed across segments.

Risks flagged

Input cost inflation and pricing pressure

“Cost of sales as a percentage of net sales was 81 percent, compared to 77 percent in the prior year period as higher raw material and operating expenses combined with lower sales prices.” · word for word

Restructuring execution risk

“Impairment and restructuring charges in the current year period represent costs associated with the decision to idle two plants in our RUPS business, consulting services related to our comprehensive assessment of our businesses and discontinuing phthalic anhydride production at our facility in Stickney, Illinois.” · word for word
Read the original on SEC EDGAR ↗
8 May 20268-K · 2.02, 2.05, 5.02, 5.07, 7.01Released earnings results and quarterly financials; approved costs associated with restructuring, layoffs, or exit activitiesearningsopen

Risks flagged

Plant closure may lead to operational disruption and potential union negotiations; significant cash and non-cash charges.

“Conditional decision pending union negotiations; cash expenditures $57M-$67M; non-cash $170M-$195M.”
Read the original on SEC EDGAR ↗
27 Mar 2026DEF 14AKoppers filed its 2026 proxy statement, disclosing executive compensation, 2025 performance, and a proposal to increase ESPP shares by 300,000.open

Figures in the filing · each found in the filing text

Consolidated sales · FY2025$1.88B-10% y/y
Net income attributable to Koppers · FY2025$56M+7% y/y
Adjusted EBITDA · FY2025$257M-2% y/y
Operating cash flow · FY2025$123M+3% y/y
Diluted EPS · FY2025$2.74+11% y/y
Adjusted EPS · FY2025$4.07-1% y/y

Risks flagged

Negative TSR cap on PSU payout

“If the company’s TSR is negative over the three-year performance period, then the cumulative number of TSR PSUs that may vest for such three-year period will be capped at 150 percent of target.” · word for word

Stock price cap on TSR PSUs

“If the company's stock price exceeds $65.00 per share on the earlier of the last day of the three-year performance period or the date of any change in control during the three-year performance period, then the portion of the TSR PSUs representing the excess in fair market value of such TSR PSUs over the fair market value of such TSR PSUs if the company's sto” · word for word
Read the original on SEC EDGAR ↗
26 Feb 20268-K · 2.02Net sales $433M (-9% y/y); Net sales $1.88B (-10% y/y); Net income attributable to Koppers $30M (+391% y/y)earningsopen

Figures in the filing · each found in the filing text

Net sales · Q4-2025$433M-9% y/y
Net sales · FY2025$1.88B-10% y/y
Net income attributable to Koppers · Q4-2025$30M+391% y/y
Net income attributable to Koppers · FY2025$56M+7% y/y
Adjusted EBITDA · Q4-2025$53M-4% y/y
Adjusted EBITDA · FY2025$257M-2% y/y
Diluted EPS · Q4-2025$1.47+394% y/y
Adjusted EPS · Q4-2025$0.70-9% y/y
Capital expenditures, net · FY2025$48M-36% y/y
Operating cash flow · FY2025$123M+3% y/y

Risks flagged

Significant volume declines in Performance Chemicals (-15.7%) and Carbon Materials (-15.2%) due to market share loss and discontinued production.

“PC net sales lower due to 15.7% volume decrease driven by shift in U.S. market share; CMC net sales decreased mainly due to $16.6M volume decreases of phthalic anhydride”

Carbon Materials and Chemicals segment EBITDA margin collapsed to 3.7% from 8.0%.

“CMC Adjusted EBITDA margin 3.7% vs 8.0% prior year”
Read the original on SEC EDGAR ↗
26 Feb 202610-KNet income $56M (+15% y/y); Adjusted EBITDA $257M (-2% y/y); Cash provided by operating activities $122M (+3% y/y); Guidance: 2026 capex expected ~$55M; liquidity ~$383M; leverage ratio 3.3x vs covenant 4.75xopen

Figures in the filing · each found in the filing text

Net income · FY2025$56M+15% y/y
Adjusted EBITDA · FY2025$257M-2% y/y
Cash provided by operating activities · FY2025$123M+3% y/y
Capital expenditures (investing cash flow) · FY2025$73M-58% y/y
Total net leverage ratio · FY2025$3.30
Cash interest coverage ratio · FY2025$4.40
Liquidity · FY2025$383M
Interest expense · FY2025$66M-13% y/y
Depreciation and amortization · FY2025$74M+9% y/y
Income tax provision · FY2025$25M+22% y/y

Guidance

2026 capex expected ~$55M; liquidity ~$383M; leverage ratio 3.3x vs covenant 4.75x

Management expects 2026 capex of ~$55M, funded by operations. Liquidity is adequate at $383M. No explicit revenue or margin guidance provided.

Risks flagged

Global economic downturn risk

“Conditions in the global economy and global capital markets may adversely affect our results of operations, financial condition and cash flows.” · word for word

Raw material cost volatility

“LIFO (benefit) expense (1) (11.0) 6.1” · word for word

Pension settlement cost risk

“Pension settlement and expense 28.3 4.0” · word for word

Restructuring and impairment risk

“Impairment, restructuring and plant closure costs (2) 51.9 17.3” · word for word
Read the original on SEC EDGAR ↗
9 Jan 20268-K · 5.02, 8.01Reported the departure of a director or principal officer (CEO/CFO change); disclosed a material event under other events (litigation, recall, contract loss, or major announcement)open

Risks flagged

CFO transition may cause temporary disruption; interim CFO has accounting background.

“Bradley A. Pearce, Chief Accounting Officer, appointed interim CFO and CAO.”
Read the original on SEC EDGAR ↗
7 Nov 20258-K · 2.02Net sales $485M (-12% y/y); Net income attributable to Koppers $24M (+4% y/y); Adjusted EPS $1.21 (-12% y/y)earningsopen

Figures in the filing · each found in the filing text

Net sales · Q3-2025$485M-12% y/y
Net income attributable to Koppers · Q3-2025$24M+4% y/y
Adjusted EPS · Q3-2025$1.21-12% y/y
Adjusted EBITDA · Q3-2025$71M-8% y/y
Capital expenditures, net · 9M-2025$34M-39% y/y

Risks flagged

End market softness persists across most segments, particularly Performance Chemicals and Carbon Materials.

“end market softness persisted in the third quarter as expected” · word for word

Higher raw material costs and lower volumes pressure margins.

“$7.3 million of higher raw material and operating costs” · word for word
Read the original on SEC EDGAR ↗
7 Nov 202510-QKoppers reported Q3 2025 results with a 12.4% revenue decline but improved gross margin and mixed segment performance.earningsopen

Figures in the filing · each found in the filing text

Total Net Sales · Q3-2025$485M-12% y/y
Net Income · Q3-2025$24M+25% y/y
Adjusted EBITDA · Q3-2025$71M-8% y/y
Operating Cash Flow · 9M-2025$77M+73% y/y
RUPS Segment Net Sales · Railroad and Utility Products and Services · Q3-2025$233M-6% y/y
PC Segment Net Sales · Performance Chemicals · Q3-2025$144M-18% y/y
CMC Segment Net Sales · Carbon Materials and Chemicals · Q3-2025$108M-16% y/y
RUPS Adjusted EBITDA · Railroad and Utility Products and Services · Q3-2025$29M+18% y/y
PC Adjusted EBITDA · Performance Chemicals · Q3-2025$26M-35% y/y
CMC Adjusted EBITDA · Carbon Materials and Chemicals · Q3-2025$16M+23% y/y

Risks flagged

Market Share Loss in Performance Chemicals

“PC net sales decreased due primarily to a 19 percent volume decrease driven by a shift in United States market share.” · word for word

Coal Tar Raw Material Supply Decline

“As the global steel industry, excluding Asia, has reduced the production of steel using metallurgical coke, the volumes of coal tar have been reduced.” · word for word

Customer Concentration in PC Business

“PC net sales decreased due primarily to a 19 percent volume decrease driven by a shift in United States market share, as well as a slight decrease in remaining customer volumes.” · word for word
Read the original on SEC EDGAR ↗
5 Nov 20258-K · 5.02Reported the departure of a director or principal officer (CEO/CFO change); filed financial statements and exhibits with this reportSEC ↗

Koppers Holdings Inc. — questions

What did Koppers Holdings Inc. file recently?
16 SEC filings in the last 12 months. Latest: SC 13D/A on 2026-10-22 — Schedule 13D/A: Simcoe Capital Management, LLC 5.6%

Every figure on this page comes from Koppers Holdings Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.