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Koppers Holdings Inc.

corporate_fare Company Profile

Koppers Holdings Inc.

KOP·NYSE·Manufacturing·CIK 0001315257

Koppers Holdings Inc. is a leading integrated global provider of treated wood products, wood preservation chemicals, and carbon compounds. The company's products and services are used in niche applications across various end-markets, including the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction industries. Koppers serves customers through a global manufacturing and distribution network with capabilities in North America, South America, Australasia, and Europe. Koppers operates through three principal business segments: Railroad and Utility Products and Services (RUPS), Performance Chemicals (PC), and Carbon Materials and Chemicals (CMC). The RUPS business is the largest supplier of railroad crossties to Class I railroads in North America and the second largest producer of utility poles in the United States. The CMC business is the largest global supplier of creosote to the North American railroad industry. The PC business is a global leader in developing, manufacturing, and marketing wood preservation chemicals and wood treatment technologies for pressure treating lumber in residential, industrial, and agricultural applications. The RUPS and CMC operations are, to a substantial extent, vertically integrated. Koppers Holdings Inc. was incorporated in November 2004 as a holding company for Koppers Inc., its wholly-owned subsidiary, and has substantially no independent operations.

Koppers Holdings Inc. (NYSE:KOP) is a publicly traded company in the Manufacturing sector. Wiseek has independently scored 13 items for KOP at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-08-07, rated 7/10. Across its 13 most recent items scored 7 or higher, the top rating is 8/10, with 6 rated 8 or above. Recent SEC coverage for KOP spans 144, 10-Q, 8-K, SCHEDULE 13D.

Recent high-impact activity:

  • Officer James Sullivan Files to Sell $4M in Koppers Stock Near 52-Week High
  • Koppers Q2 GAAP loss of $147.5M includes $215.8M impairment; adjusted EBITDA falls 7.9%
  • Koppers Q2: $147.5M Net Loss on $215.8M Impairment; Guidance Narrowed
  • Activist Investor Simcoe Capital Discloses 7.0% Stake in Koppers Holdings, Citing Undervaluation
  • Koppers Appoints Eric Brenner as New Chief Financial Officer and Treasurer

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$1.88B
Net Income
$56M
Diluted EPS
$2.74
Op. Cash Flow
$122.5M
Free Cash Flow
$67.5M
Gross Profit
$447.8M
Operating Income
$167.8M
Cash & Equivalents
$38M
Total Debt
$919.2M
Debt / Equity
1.60×
Net Margin
3.0%
Shares Outstanding
19.46M sh
Source: 10-K · filed 2026-02-26 · accession 0001315257-26-000012

Short Interest & Short Volume

4.75 days to cover

FINRA reported short interest of 769,075 shares in KOP as of the September 15, 2026 settlement, a 19.1% decrease from the prior period — about 4.8 days to cover at its recent average daily volume. On October 2, 2026, 42.1% of KOP volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)769,075 shares as of September 15, 2026
Change vs prior period▼ 19.1%
Days to cover4.75 at avg daily volume of 162,060
Daily short volume (FINRA facilities)42.1% of 81,008 shares on October 2, 2026
5-day average short volume55.2%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Browse all tickers starting with K →
$46.04
52-week range · as of 2026-08-07 $25 – $53
Market cap
$870.69M
Volume
159K (0.9× avg)
3-mo avg 168.6K
Live data · 2026-10-05 04:24 UTC · Market overnight

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feed KOP - Latest Insights

KOP
Aug 07, 2026, 4:53 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $51.24
Real-time Price: $46.04 info
Change: -$5.20 (-10%) info
Market Cap: $870.689M info
KOP
Aug 06, 2026, 12:05 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $50.77
Real-time Price: $46.04 info
Change: -$4.73 (-9%) info
Market Cap: $870.689M info
KOP
Aug 06, 2026, 8:14 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $52.70
Real-time Price: $46.04 info
Change: -$6.66 (-13%) info
Market Cap: $870.689M info
KOP
May 19, 2026, 5:33 PM EDT
Filing Type: SCHEDULE 13D
Importance Score:
8
Price at Filing: $38.31
Real-time Price: $46.04 info
Change: +$7.73 (+20%) info
Market Cap: $870.689M info
KOP
May 11, 2026, 9:05 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $44.00
Real-time Price: $46.04 info
Change: +$2.04 (+5%) info
Market Cap: $870.689M info
KOP
May 08, 2026, 12:05 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $45.62
Real-time Price: $46.04 info
Change: +$0.420 (+0.92%) info
Market Cap: $870.689M info
KOP
May 08, 2026, 9:10 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $42.82
Real-time Price: $46.04 info
Change: +$3.22 (+8%) info
Market Cap: $870.689M info
KOP
May 08, 2026, 8:45 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $42.32
Real-time Price: $46.04 info
Change: +$3.72 (+9%) info
Market Cap: $870.689M info
KOP
May 07, 2026, 4:18 PM EDT
Filing Type: 8-K/A
Importance Score:
7
Price at Filing: $41.16
Real-time Price: $46.04 info
Change: +$4.88 (+12%) info
Market Cap: $870.689M info
KOP
Mar 27, 2026, 4:30 PM EDT
Filing Type: DEF 14A
Importance Score:
7
Price at Filing: $37.92
Real-time Price: $46.04 info
Change: +$8.12 (+21%) info
Market Cap: $870.689M info
KOP
Feb 26, 2026, 12:17 PM EST
Filing Type: 10-K
Importance Score:
7
Price at Filing: $35.37
Real-time Price: $46.04 info
Change: +$10.67 (+30%) info
Market Cap: $870.689M info
KOP
Feb 26, 2026, 8:59 AM EST
Filing Type: 8-K
Importance Score:
7
Price at Filing: $35.36
Real-time Price: $46.04 info
Change: +$10.68 (+30%) info
Market Cap: $870.689M info
KOP
Jan 09, 2026, 8:15 AM EST
Filing Type: 8-K
Importance Score:
7
Price at Filing: $27.62
Real-time Price: $46.04 info
Change: +$18.42 (+67%) info
Market Cap: $870.689M info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets