Koppers Holdings Inc. (KOP) is a publicly traded company in the Unknown sector. Across all available filings, 40 corporate insiders have executed 1002 transactions totaling $36.6M, demonstrating a bearish sentiment with -$20.3M in net insider flow. The most recent transaction on Nov 5, 2025 involved a transaction of 2,240 shares valued at $0.
No significant insider buying has been recorded for KOP in the recent period.
No significant insider selling has been recorded for KOP in the recent period.
Based on recent SEC filings, insider sentiment for KOP is bearish with an Insider Alignment Score of 22/100 and a net flow of -$20.3M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at Koppers Holdings Inc. (KOP) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 40 insiders are actively trading KOP stock, having executed 1002 transactions in the past 90 days. The most active insider is M. Leroy Ball (Executive), who has made 120 transactions totaling $11.3M.
Get notified when executives and directors at KOP file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Nov 5, 2025 | J. Posadas Laura | Executive | Award | 2,240 | $N/A | $0 | |
| Aug 15, 2025 | Leroy Ball M. | Executive | Sale | 2,448 | $30.48 | $74.6K | |
| Aug 29, 2024 | Leroy Ball M. | Executive | Sale | 3,803 | $38.35 | $145.8K | |
| Aug 27, 2024 | Leroy Ball M. | Executive | Sale | 4,000 | $39.06 | $156.2K | |
| Aug 27, 2024 | Leroy Ball M. | Executive | Option Exercise | 4,000 | $17.57 | $70.3K | |
| Aug 19, 2024 | P. Dowd Joseph | Executive | Sale | 5,516 | $37.72 | $208.1K | |
| Jun 20, 2024 | Leroy Ball M. | Executive | Sale | 2,265 | $39.73 | $90.0K | |
| Jun 13, 2024 | Washington Kevin | Executive | Payment | 831 | $40.27 | $33.5K | |
| Jun 13, 2024 | Washington Kevin | Executive | Option Exercise | 22 | $N/A | $0 | |
| Jun 7, 2024 | Leroy Ball M. | Executive | Option Exercise | 2,500 | $17.57 | $43.9K | |
| Jun 7, 2024 | Leroy Ball M. | Executive | Sale | 2,500 | $42.45 | $106.1K | |
| Jun 6, 2024 | Leroy Ball M. | Executive | Option Exercise | 2,500 | $17.57 | $43.9K | |
| Jun 6, 2024 | Leroy Ball M. | Executive | Sale | 2,500 | $43.69 | $109.2K | |
| May 28, 2024 | Leroy Ball M. | Executive | Sale | 9 | $42.98 | $387 | |
| May 28, 2024 | Leroy Ball M. | Executive | Sale | 2,491 | $42.36 | $105.5K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 185 | $28.4M | 46.7% |
Payment(F) | 225 | $13.7M | 22.6% |
Exercise(M) | 196 | $10.5M | 17.3% |
Purchase(P) | 44 | $8.1M | 13.4% |
Award(A) | 310 | $2.5K | 0.0% |
Gift(G) | 36 | $0 | 0.0% |
Disposition(D) | 4 | $0 | 0.0% |
Other(J) | 2 | $0 | 0.0% |
Insider selling pressure at Koppers Holdings Inc. has increased, with 40 insiders executing 1002 transactions across all time. Total sales of $28.4M significantly outpace purchases of $8.1M, resulting in a net outflow of $20.3M. This selling activity appears largely discretionary, which may warrant closer attention from investors.