Koppers Holdings Non-GAAP EPS of $0.77 misses by $0.66, revenue of $499.1M misses by $24.23M (KOP:NYSE)

Koppers Holdings (KOP) reported Q3 Non-GAAP EPS of $0.77, missing estimates by $0.66. Revenue was $499.1M, up 2.8% year-over-year but $24.23M below expectations. The company also provided updated 2025 and 2026 forecasts for net sales, adjusted EBITDA, and other financial metrics.

Original reporting
Published Nov 6, 2026, 1:04 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Nov 6, 2026, 1:07 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefEarnings
Primary signal
$KOP
Bearish
high confidence
Mentioned
$KOP
Relevance
9/10
AlphAI data visualization · based on seekingalpha.com
Decision brief

The 30-second read

$KOPBearishMed
01

Why it matters

A simultaneous EPS and revenue miss typically drives estimate revisions and can lead to multiple compression if investors conclude earnings quality or demand is weakening.

02

Market read

Traders can use the reported miss and the updated 2026 forecast table to reassess near-term valuation and the probability of further guidance cuts.

03

What to watch

Investors may focus on the 2026 forecast table details (adjusted EBITDA, tax rate, operating cash flow, and free cash flow) to judge whether the miss is offset by cash generation or cost actions.

Relevance 9/10Novelty 8/10Timing: post-earnings, reported today

Background

The piece summarizes Koppers Holdings Q3 results versus expectations and provides a 2026 forecast comparison (current vs prior) plus 2025 actuals.

Company-level read

Ticker impact

$KOPBearishHigh confidence
Context

Koppers Holdings reported Q3 non-GAAP EPS of $0.77 and revenue of $499.1M, both missing by large margins versus expectations.

Expected impact

Likely downside pressure as the market reprices the earnings power implied by the miss and the lowered 2026 outlook.

Evidence & confidence

The article provides specific Q3 EPS and revenue miss magnitudes and includes a 2026 forecast table showing guidance below prior expectations for key metrics.

Market effects

Could modestly affect sentiment for specialty chemicals/materials names with similar end-market exposure if investors generalize from the revenue miss.

Limited, as this is a single-company earnings disclosure without broader regional macro linkage.

Low, since the disclosed items are company-specific and not tied to global supply shocks or cross-border policy.

Counterpoint

The revenue is still up 2.8% year over year, so the miss may reflect margin or timing effects rather than a structural demand decline.

Key entities

  • Koppers Holdings

    Subject of the article, reporting Q3 non-GAAP EPS and revenue misses and providing updated 2026 forecast ranges.

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KOPPERS REPORTS THIRD QUARTER 2026 RESULTS

Koppers Holdings Inc. (KOP) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 News Release FOR IMMEDIATE RELEASE For Information: Quynh McGuire Vice President, Investor Relations 412 227 2049 McGuireQT@koppers.com Koppers Holdings Inc. 436 Seventh Avenue Pittsburgh, PA 15219-1800 Tel 412 227 2001 www.koppers.com KOPPERS REPORTS THIRD QUARTER 2

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Koppers: Q3 Earnings Snapshot

Koppers Holdings Inc. (KOP) reported Q3 net income of $14.7M, or 75 cents per share, missing analyst expectations of $1.37 per share. Revenue was $499.1M, also below forecasts of $518.6M. The company expects full-year earnings of $3.10-$3.25 per share and revenue of $1.9B.

$KOPMedAI 8/10

KOPPERS REPORTS THIRD QUARTER 2026 RESULTS

Koppers Holdings Inc. reported Q3 2026 results with sales of $499.1M, up 2.8% YoY, but net income fell 38.2% to $14.7M. Adjusted EBITDA declined 18.2% to $58.0M. CEO Leroy Ball cited macroeconomic challenges and higher costs. Year-to-date operating and free cash flow hit records at $126.9M and $92.0M, respectively. The company reduced debt and returned $56.2M to shareholders.