Koppers Holdings Inc.
KOP · Lumber & Wood Products (No Furniture) · 19.2M shares · +1%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: $3M (gross $20M, SBC $17M)
Reference price $43.90 · est. market cap ~$844M — last insider sale, 2026-06-18 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
C64Mid-pack wood-products and chemicals company with average margins and elevated leverage.
Strengths
- Above-median operating margin 8.9% (67th pct) and ROIC 8.9% (69th pct)
- Healthy current ratio 2.94 (70th pct)
Risks
- Revenue -10% (16th pct) signals demand softness
- High leverage (D/E 1.59, 87th pct)
- Thin gross margin 23.8% (27th pct) and net margin 3.0%
Notable findings
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
23.8%
Operating margin
8.9%
Net margin
3.0%
Return on equity
9.8%
Return on assets
3.0%
ROIC
8.9%
Revenue growth (QoQ)
5.2%
Net-income growth
6.9%
Debt / equity
1.6×
Current ratio
2.9×
Free cash flow
$68M
EBITDA
$241M
Tangible book value
$138M
Stock comp / revenue
0.7%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-18 | BALL M LEROY | Sell | 3.4K | $43.90 |
| 2026-06-11 | BALL M LEROY | Gift | 300 | — |
| 2026-06-11 | BALL M LEROY | Sell | 4.1K | $41.34 |
| 2026-06-03 | Feng Xudong | Gift | 5.7K | — |
| 2026-05-26 | Brenner Eric D. | Grant | 6.6K | — |
| 2026-05-13 | BALL M LEROY | Sell | 2.7K | $42.55 |
| 2026-05-12 | Pearce Bradley A | Grant | 5.0K | — |
| 2026-05-07 | Feng Xudong | Grant | 3.3K | — |
| 2026-05-07 | NEUPAVER ALBERT J | Option exercise | 50 | — |
| 2026-05-07 | JENSEN TRACI L | Option exercise | 50 | — |
| 2026-05-07 | Posadas Laura J | Option exercise | 11 | — |
| 2026-05-07 | Posadas Laura J | Grant | 3.3K | — |
| 2026-05-07 | MOTLEY DAVID L | Option exercise | 50 | — |
| 2026-05-07 | Vartanian Nishan J. | Option exercise | 50 | — |
| 2026-05-07 | Vartanian Nishan J. | Grant | 3.3K | — |
| 2026-05-07 | JENSEN TRACI L | Grant | 3.3K | — |
| 2026-03-17 | BALL M LEROY | Sell | 2.5K | $37.91 |
| 2026-03-17 | BALL M LEROY | Gift | 1.2K | — |
| 2026-03-02 | BALL M LEROY | Sell | 2.2K | $36.53 |
| 2026-03-02 | BALL M LEROY | Sell | 328 | $37.45 |
| 2026-03-02 | BALL M LEROY | Sell | 3.8K | $37.02 |
| 2026-03-02 | BALL M LEROY | Gift | 325 | — |
| 2026-02-26 | Sullivan James A. | Tax withheld | 8.6K | $37.24 |
| 2026-02-26 | Lucas Stephen G | Grant | 5.3K | — |
| 2026-02-26 | Lucas Stephen G | Option exercise | 127 | — |
| 2026-02-26 | Lucas Stephen G | Tax withheld | 2.5K | $37.24 |
| 2026-02-26 | Lovalekar Tushar | Grant | 2.3K | — |
| 2026-02-26 | Lovalekar Tushar | Option exercise | 53 | — |
| 2026-02-26 | Lovalekar Tushar | Tax withheld | 1.0K | $37.24 |
| 2026-02-26 | Lucas Stephen G | Grant | 5.3K | — |
| 2026-02-26 | Lucas Stephen G | Tax withheld | 2.5K | $37.24 |
| 2026-02-26 | Pearce Bradley A | Grant | 3.5K | — |
| 2026-02-26 | Pearce Bradley A | Option exercise | 82 | — |
| 2026-02-26 | Pearce Bradley A | Tax withheld | 1.5K | $37.24 |
| 2026-02-26 | Sullivan James A. | Grant | 19K | — |
| 2026-02-26 | Sullivan James A. | Option exercise | 466 | — |
| 2026-02-26 | Apostolou Stephanie L | Grant | 7.2K | — |
| 2026-02-26 | Apostolou Stephanie L | Option exercise | 174 | — |
| 2026-02-26 | Apostolou Stephanie L | Tax withheld | 3.1K | $37.24 |
| 2026-02-26 | BALL M LEROY | Grant | 50K | — |
| 2026-02-26 | BALL M LEROY | Option exercise | 1.2K | — |
| 2026-02-26 | BALL M LEROY | Tax withheld | 22K | $37.24 |
| 2026-02-18 | BALL M LEROY | Option exercise | 31K | $18.11 |
| 2026-02-18 | BALL M LEROY | Tax withheld | 22K | $35.06 |
| 2026-02-10 | BALL M LEROY | Option exercise | 30K | $18.11 |
| 2026-02-10 | BALL M LEROY | Tax withheld | 22K | $33.20 |
| 2026-01-05 | Lovalekar Tushar | Option exercise | 1.5K | — |
| 2026-01-05 | Lovalekar Tushar | Grant | 2.4K | — |
| 2026-01-05 | Lovalekar Tushar | Option exercise | 85 | — |
| 2026-01-05 | Lovalekar Tushar | Tax withheld | 2.0K | $26.93 |
| 2026-01-05 | Lucas Stephen G | Grant | 6.7K | — |
| 2026-01-05 | Lucas Stephen G | Option exercise | 3.4K | — |
| 2026-01-05 | Lucas Stephen G | Option exercise | 156 | — |
| 2026-01-05 | Lucas Stephen G | Tax withheld | 4.4K | $26.93 |
| 2026-01-05 | Apostolou Stephanie L | Grant | 9.9K | — |
| 2026-01-05 | Apostolou Stephanie L | Option exercise | 4.7K | — |
| 2026-01-05 | Apostolou Stephanie L | Option exercise | 240 | — |
| 2026-01-05 | Apostolou Stephanie L | Tax withheld | 5.8K | $26.93 |
| 2026-01-05 | Pearce Bradley A | Grant | 7.1K | — |
| 2026-01-05 | Pearce Bradley A | Option exercise | 104 | — |
| 2026-01-05 | Pearce Bradley A | Tax withheld | 2.5K | $26.93 |
| 2026-01-05 | Smith Jimmi Sue | Option exercise | 4.9K | — |
| 2026-01-05 | Smith Jimmi Sue | Option exercise | 240 | — |
| 2026-01-05 | Smith Jimmi Sue | Tax withheld | 5.7K | $26.93 |
| 2026-01-05 | Sullivan James A. | Grant | 22K | — |
| 2026-01-05 | Sullivan James A. | Option exercise | 12K | — |
| 2026-01-05 | Sullivan James A. | Option exercise | 622 | — |
| 2026-01-05 | Sullivan James A. | Tax withheld | 14K | $26.93 |
| 2026-01-05 | BALL M LEROY | Grant | 27K | — |
| 2026-01-05 | BALL M LEROY | Option exercise | 65K | — |
| 2026-01-05 | BALL M LEROY | Option exercise | 2.1K | — |
| 2026-01-05 | BALL M LEROY | Tax withheld | 40K | $26.93 |
| 2025-11-05 | Posadas Laura J | Grant | 2.2K | — |
| 2025-08-15 | BALL M LEROY | Sell | 2.4K | $30.48 |
| 2025-06-18 | BALL M LEROY | Gift | 834 | — |
| 2025-06-13 | Washington Kevin | Option exercise | 33 | — |
| 2025-06-13 | Washington Kevin | Tax withheld | 818 | $31.91 |
| 2025-05-21 | BALL M LEROY | Gift | 1.8K | — |
| 2025-05-08 | MOTLEY DAVID L | Grant | 4.8K | — |
| 2025-05-08 | Vartanian Nishan J. | Grant | 4.8K | — |
| 2025-05-08 | NEUPAVER ALBERT J | Grant | 4.8K | — |
| 2025-05-08 | JENSEN TRACI L | Grant | 4.8K | — |
| 2025-05-02 | Tritch Stephen R | Option exercise | 17 | — |
| 2025-05-02 | TESTONI LOUIS L | Option exercise | 17 | — |
| 2025-05-02 | Vartanian Nishan J. | Option exercise | 17 | — |
| 2025-05-02 | JENSEN TRACI L | Option exercise | 17 | — |
| 2025-05-02 | NEUPAVER ALBERT J | Option exercise | 17 | — |
| 2025-04-11 | Lucas Stephen G | Option exercise | 140 | — |
| 2025-04-11 | Lucas Stephen G | Tax withheld | 2.7K | $24.91 |
| 2025-03-19 | BALL M LEROY | Sell | 3.3K | $29.15 |
| 2025-03-19 | BALL M LEROY | Sell | 505 | $30.07 |
| 2025-03-07 | WILKERSON SONJA MICHELLE | Disposition | 3.5K | — |
| 2025-02-20 | BALL M LEROY | Option exercise | 6.0K | $17.57 |
| 2025-02-20 | BALL M LEROY | Tax withheld | 4.5K | $30.58 |
| 2025-01-03 | Apostolou Stephanie L | Grant | 14K | — |
| 2025-01-03 | Apostolou Stephanie L | Option exercise | 6.9K | — |
| 2025-01-03 | Apostolou Stephanie L | Option exercise | 210 | — |
| 2025-01-03 | Apostolou Stephanie L | Tax withheld | 5.7K | $31.72 |
| 2025-01-03 | BALL M LEROY | Grant | 29K | — |
| 2025-01-03 | BALL M LEROY | Option exercise | 52K | — |
| 2025-01-03 | BALL M LEROY | Option exercise | 1.4K | — |
| 2025-01-03 | BALL M LEROY | Tax withheld | 33K | $31.72 |
| 2025-01-03 | Lucas Stephen G | Grant | 9.2K | — |
| 2025-01-03 | Lucas Stephen G | Option exercise | 27 | — |
| 2025-01-03 | Lucas Stephen G | Tax withheld | 1.4K | $31.72 |
| 2025-01-03 | Pearce Bradley A | Grant | 6.0K | — |
| 2025-01-03 | Pearce Bradley A | Option exercise | 1.7K | — |
| 2025-01-03 | Pearce Bradley A | Option exercise | 106 | — |
| 2025-01-03 | Pearce Bradley A | Tax withheld | 3.2K | $31.72 |
| 2025-01-03 | Skrovanek Daniel J | Grant | 4.6K | — |
| 2025-01-03 | Skrovanek Daniel J | Option exercise | 1.3K | — |
| 2025-01-03 | Skrovanek Daniel J | Option exercise | 76 | — |
| 2025-01-03 | Skrovanek Daniel J | Tax withheld | 2.3K | $31.72 |
| 2025-01-03 | Smith Jimmi Sue | Grant | 11K | — |
| 2025-01-03 | Smith Jimmi Sue | Option exercise | 7.8K | — |
| 2025-01-03 | Smith Jimmi Sue | Option exercise | 234 | — |
| 2025-01-03 | Smith Jimmi Sue | Tax withheld | 6.2K | $31.72 |
| 2025-01-03 | Sullivan James A. | Grant | 23K | — |
| 2025-01-03 | Sullivan James A. | Option exercise | 17K | — |
| 2025-01-03 | Sullivan James A. | Option exercise | 523 | — |
| 2025-01-03 | Sullivan James A. | Tax withheld | 14K | $31.72 |
| 2025-01-03 | Washington Kevin | Grant | 3.7K | — |
| 2025-01-03 | Washington Kevin | Option exercise | 11 | — |
| 2025-01-03 | Washington Kevin | Tax withheld | 582 | $31.72 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-05-11 | Exec/director changeReg FDExhibits | filing ↗ |
| 2026-05-08 | Results2.05Exec/director changeShareholder voteReg FDExhibits | filing ↗ |
| 2026-05-07 | Exec/director changeExhibits | filing ↗ |
| 2026-03-18 | Exec/director changeExhibits | filing ↗ |
| 2026-02-26 | ResultsExhibits | filing ↗ |
| 2026-01-09 | Exec/director changeOtherExhibits | filing ↗ |
| 2025-12-03 | 2.05 | filing ↗ |
| 2025-11-07 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-11 | 2026-05-11 | 0001315257-26-000041 ↗ |
| 8-K | 2026-05-08 | 2026-05-07 | 0001315257-26-000036 ↗ |
| 10-Q | 2026-05-08 | 2026-03-31 | 0001315257-26-000038 ↗ |
| 8-K/A | 2026-05-07 | 2025-11-05 | 0001315257-26-000030 ↗ |
| 8-K/A | 2026-03-18 | 2026-01-05 | 0001315257-26-000017 ↗ |
| 8-K | 2026-02-26 | 2026-02-26 | 0001315257-26-000010 ↗ |
| 10-K | 2026-02-26 | 2025-12-31 | 0001315257-26-000012 ↗ |
| 8-K | 2026-01-09 | 2026-01-05 | 0001315257-26-000004 ↗ |
| 8-K/A | 2025-12-03 | 2024-11-08 | 0001315257-25-000014 ↗ |
| 10-Q | 2025-11-07 | 2025-09-30 | 0001315257-25-000012 ↗ |
| 8-K | 2025-11-07 | 2025-11-07 | 0001315257-25-000010 ↗ |
| 8-K | 2025-11-05 | 2025-11-05 | 0001315257-25-000006 ↗ |