KOP at a glance
Koppers Holdings Inc. (KOP, SEC CIK 1315257) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 6, 2026 and Form 4 insider filings as recently as September 15, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Koppers Holdings Inc. (KOP) reported revenue of $1.9 billion (down 10.2% from FY2024) and net income of $56.0 million. Diluted EPS was $2.74.
- As of June 30, 2026, 29 institutional investment managers tracked by SignalX reported holding Koppers Holdings Inc. (KOP) shares worth $402.0 million in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by BALL M LEROY on August 31, 2026 of 4,000 shares at $45.96 per share.
- In the last 90 days, KOP insiders reported 0 open-market purchases ($0) and 7 open-market sales ($4.9M) on Form 4, a net sale of $4.9M.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $1.9B
- −10.2% vs prior year
- Insiders · 90 days
- 0 buys · 7 sells
- Net −$4.9M
- 13F holders
- 29 funds
- $402.0M · −2 vs prior quarter
- Latest 8-K
- Aug 6, 2026
- Item 2.02
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- No profitability, margin, or segment performance figures provided in the excerpt
- Headwinds include raw-material prices, tariffs, supply-chain disruptions, labor shortages, interest rates, and geopolitical events
Risk Factors
- No Risk Factors section provided in supplied filing text
- No newly added, updated, regulatory, operational, competitive, or financial risks identifiable
- Share repurchases reduced remaining authorization to $29.6 million by June 30, 2026
AI summary of the KOP 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 2.02: Results of Operations and Financial Condition
- Q2 2026 earnings release issued August 6, 2026
- Detailed results and management commentary contained in Exhibit 99.1
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Eric D. Brenner appointed CFO and Treasurer, effective May 26, 2026
- Bradley A. Pearce returns to Chief Accounting Officer after interim CFO service
Item 7.01: Regulation FD Disclosure
- Thomas Brenner elected Chief Financial Officer and Treasurer, creating new finance leadership
- Executive appointment disclosed under Regulation FD, making the succession event publicly available to investors
Item 2.02: Results of Operations and Financial Condition
- Q1 2026 earnings press release issued May 8, 2026
- Financial results and management commentary available in Exhibit 99.1
Item 2.05: Costs Associated with Exit or Disposal Activities
- Conditional Stickney shutdown targeting December 31, 2026, pending union negotiations; approximately 85 employees affected
- Production tentatively shifting to Nyborg, Denmark in fourth quarter 2026, with Stickney’s post-production use under evaluation
Item 7.01: Regulation FD Disclosure
- Conditional plan to discontinue Stickney, Illinois distillation and chemical manufacturing operations
- Closure decision creates potential earnings charges and cash outlays, with timing and amounts still subject to finalization
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Shareholders approved the ESPP amendment at the May 7, 2026 annual meeting
- Employee stock-purchase terms changed, potentially affecting future share issuance and dilution
Item 5.07: Submission of Matters to a Vote of Security Holders
- All eight director nominees elected to one-year terms expiring in 2027, preserving board continuity
- Employee stock purchase plan amendment approved, supporting continued equity-based employee participation
AI summaries of KOP 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for KOP
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Sandifer Andrew D | A | Sep 14, 2026 | 13.52 | - |
| MOTLEY DAVID L | A | Sep 14, 2026 | 19.984 | - |
| WILKERSON SONJA MICHELLE | A | Sep 14, 2026 | 29.352 | - |
| Feng Xudong | A | Sep 14, 2026 | 32.946 | - |
| BALL M LEROY | G | Aug 31, 2026 | 200 | - |
| BALL M LEROY | Sell | Aug 31, 2026 | 4,000 | $45.96 |
| BALL M LEROY | Sell | Aug 19, 2026 | 3,000 | $45.84 |
| Lucas Stephen G | Sell | Aug 12, 2026 | 1,308 | $44.55 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $2.1B | $1.9B |
| Operating Income | - | $148.2M | $167.8M |
| Net Income | $89.2M | $52.4M | $56.0M |
| Op. Margin | - | 7.1% | 8.9% |
| Net Margin | - | 2.5% | 3.0% |
| Balance Sheet | |||
| Total Assets | $1.8B | $1.9B | $1.9B |
| Equity | - | $488.7M | $574.0M |
| ROE | - | 10.7% | 9.8% |
| Per Share | |||
| EPS | $4.14 | $2.46 | $2.74 |
| Cash Flow | |||
| Operating CF | - | $119.4M | $122.5M |
| CapEx | $120.5M | $77.4M | $55.0M |
Source: XBRL data in Koppers Holdings Inc. (KOP)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate KOP share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 29 | $402.0M |
| Q1 2026 | 31 | $341.1M |
| Q4 2025 | 30 | $252.7M |
| Q3 2025 | 29 | $261.3M |
| Q2 2025 | 30 | $317.8M |
| Q1 2025 | 27 | $182.6M |
| Q4 2024 | 23 | $211.4M |
| Q3 2024 | 20 | $149.8M |
- Invesco Ltd+147.0K (+79%)
- State Street Corp+52.3K (+7%)
- Dimensional Fund Advisors+45.9K (+4%)
- JPMorgan Chase & Co+31.7K (+35%)
- Ameriprise Financial+23.9K (+9%)
- Two Sigma Investments−151.5K (-36%)
- Vanguard Capital Management LLC−27.8K (-3%)
- Citigroup−17.6K (-28%)
- AQR Capital Management−17.3K (-18%)
- Bank of America Corp−11.0K (-9%)
Source: 13F-HR filings on SEC EDGAR (aggregated from 219 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
KOP filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Sep 15, 2026 | - | - | - |
| 4 | Sep 15, 2026 | - | - | - |
| 4 | Sep 15, 2026 | - | - | - |
| 4 | Sep 15, 2026 | - | - | - |
| 4 | Sep 1, 2026 | - | - | - |
| 4 | Aug 20, 2026 | - | - | - |
| 4 | Aug 13, 2026 | - | - | - |
| 4 | Aug 12, 2026 | - | - | - |
| 4 | Aug 11, 2026 | - | - | - |
| 4 | Aug 11, 2026 | - | - | - |
| 8-K | Aug 6, 2026 | - | Analysis | - |
| 10-Q | Aug 6, 2026 | Jun 30, 2026 | Analysis | |
| 4 | Jun 23, 2026 | - | - | - |
| 4 | Jun 17, 2026 | - | - | - |
| 4 | Jun 17, 2026 | - | - | - |
| 4 | Jun 17, 2026 | - | - | - |
| 4 | Jun 17, 2026 | - | - | - |
| 4 | Jun 15, 2026 | - | - | - |
| 4 | Jun 4, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| SC 13D | May 19, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - |
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KOP SEC filings: frequently asked questions
Are KOP insiders buying or selling?
In the last 90 days, Koppers Holdings Inc. (KOP) officers, directors and 10% owners reported no open-market purchases and 7 open-market sales worth $4.9 million by 4 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold KOP stock?
As of June 30, 2026, the largest Koppers Holdings Inc. (KOP) holders among the 13F filers tracked by SignalX were BlackRock ($136.8 million), Dimensional Fund Advisors ($55.6 million), Vanguard Capital Management LLC ($36.5 million), State Street Corp ($36.1 million), Vanguard Portfolio Management LLC ($24.2 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was KOP's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Koppers Holdings Inc. (KOP) reported revenue of $1.9 billion (down 10.2% from FY2024) and net income of $56.0 million. Diluted EPS was $2.74. The figures come from the XBRL data in the 10-K.
What did KOP report in its latest 8-K?
Koppers Holdings Inc. (KOP) filed an 8-K on August 6, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Q2 2026 earnings release issued August 6, 2026.
What are the latest KOP SEC filings?
Koppers Holdings Inc. (KOP) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 6, 2026 and a Form 4 insider filing on September 15, 2026.
What is KOP's SEC CIK number?
Koppers Holdings Inc. (KOP)'s SEC Central Index Key (CIK) is 1315257. EDGAR lists every KOP filing under that number.
Ask anything about KOP
The research agent reads KOP's filings, financials, insider trades and 13F holders, then answers with sources.