Koppers Holdings (KOP) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
Koppers Holdings insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $5.6M of KOP stock on the open market.
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KOP insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $4.9M | 7 |
| Q2 2026 | — | 0 | $434K | 3 |
| Q1 2026 | — | 0 | $326K | 4 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 Koppers Holdings Inc. insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $5.6M. 0 of 14 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 1SEC | M Leroy BallCEO | Sell | 4,000429,555 held (−1%) | $45.96 | $184K | -5.5% | — |
| Aug 20SEC | M Leroy BallCEO | Sell | 3,000433,555 held (−1%) | $45.84 | $138K | -5.3% | — |
| Aug 13SEC | Stephen G LucasSvp, Culture And Engagement | Sell | 1,30834,345 held (−4%) | $44.55 | $58K | -2.6% | — |
| Aug 12SEC | James A. SullivanCTO, President | Sell | 7,50082,898 held (−8%) | $50.00 | $375K | -13.2% | — |
| Aug 11SEC | James A. SullivanCTO, President | Sell | 79,90090,498 held (−47%) | $50.01 | $4.0M | -13.2% | — |
| Aug 11SEC | Bradley A PearceCao | Sell | 2,00041,037 held (−5%) | $51.01 | $102K | -14.9% | — |
| Aug 11SEC | James A. SullivanCTO, President | Sell | 10090,398 held (−0%) | $51.22 | $5K | -15.2% | — |
| Jun 23SEC | M Leroy BallCEO | Sell | 3,412436,243 held (−1%) | $43.90 | $150K | -1.1% | — |
| Jun 15SEC | M Leroy BallCEO | Sell | 4,141439,955 held (−1%) | $41.34 | $171K | +5.0% | — |
| May 14SEC | M Leroy BallCEO | Sell | 2,659444,096 held (−1%) | $42.55 | $113K | +2.0% | — |
| Mar 18SEC | M Leroy BallCEO | Sell | 2,489447,459 held (−1%) | $37.91 | $94K | +14.5% | — |
| Mar 4SEC | M Leroy BallCEO | Sell | 3,763450,273 held (−1%) | $37.02 | $139K | +17.3% | — |
| Mar 4SEC | M Leroy BallCEO | Sell | 2,184454,364 held (−0%) | $36.53 | $80K | +18.8% | — |
| Mar 4SEC | M Leroy BallCEO | Sell | 328454,036 held (−0%) | $37.45 | $12K | +15.9% | — |
Insiders at Koppers Holdings Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| James A. SullivanCTO, President | — | $4.4M | Aug 12, 2026 | — |
| M Leroy BallCEO | — | $1.1M | Sep 1, 2026 | — |
| Bradley A PearceCao | — | $102K | Aug 11, 2026 | — |
| Stephen G LucasSvp, Culture And Engagement | — | $58K | Aug 13, 2026 | — |
KOP stock: common questions
Are Koppers Holdings Inc. insiders buying KOP stock?
In the past 12 months, 0 insiders reported open-market purchases of KOP worth $0.
Are Koppers Holdings Inc. insiders selling KOP stock?
4 insiders reported sales worth $5.6M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is KOP's 52-week range?
Over the past year KOP has traded between $26.11 and $52.23. It last closed at $43.41 on Oct 9, 2026.