The selling is too small relative to market cap to be a meaningful signal on its own. Monitor for larger insider sales or any accompanying corporate filings (earnings, guidance changes, M&A) that might explain the CTO's $375K sale. The stock price drop from $50 to $44.55 between the CTO's and SVP's sales warrants attention for potential follow-on selling.
Price Chart
Executive Summary
Three Koppers insiders sold a combined ~$535K in shares over a 7-day window, led by President and CTO James Sullivan's $375K open-market sale. The total represents just 0.06% of KOP's $857M market cap — a trivial amount that does not signal material bearish conviction. No insider purchases were made to offset the selling.
Key Financial Metrics
Key Facts
- 3 insiders sold shares totaling ~$535K over a 7-day window (Aug 5–12, 2026)
- President and CTO James Sullivan sold the largest block: 7,500 shares at $50/share for $375K
- CAO Bradley Pearce sold 2,000 shares at $51.01 for $102K
- SVP Lucas Stephen G. sold 1,308 shares at $44.55 for $58K
- Total sales represent ~0.06% of KOP's $857M market cap — trivial proportion
- No insider purchases in the cluster to offset the selling
Financial Impact
$535K in insider sales, representing 0.06% of market cap — immaterial
Risk Factors
- Insider selling could accelerate if the stock continues to decline
- No insider buying to signal confidence from management
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-KOP-1786691369413 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 3d ago | Press Release | $40.18 | awaiting T+5 | — | $39.83 (−0.87%) |
Oct 22, 2026 4d ago | SC 13D/A | $40.18 | awaiting T+5 | — | $39.83 (+0.87%) |
Oct 19, 2026 7d ago | SC 13G/A | $42.91 $39.83 | ▲ +7.18% | ▲ +7.03% | $39.83 (+7.18%) |
Oct 8, 2026 18d ago | SC 13G/A | $44.24 $43.44 | ▼ −1.81% | ▼ −1.53% | $39.83 (−9.97%) |
Aug 20, 2026 9w ago | Insider Cluster | $45.19 $46.56 | ▲ +3.03% | ▲ +2.56% | $39.83 (−11.86%) |
Aug 13, 2026 10w ago | Insider Cluster | $47.14 $45.19 | ▼ −4.14% | ▼ −2.77% | $39.83 (−15.51%) |
Aug 12, 2026 10w ago | Insider Cluster | $46.22 $45.88 | ▼ −0.74% | ▲ +1.23% | $39.83 (−13.83%) |
Aug 11, 2026 10w ago | Insider Cluster | $45.34 $44.90 | ▲ +0.97% | ▲ +0.53% | $39.83 (+12.15%) |
May 11, 2026 24w ago | 8-K | $43.08 $40.39 | ▼ −6.24% | ▼ −6.16% | $39.83 (−7.54%) |
May 8, 2026 24w ago | 8-K | $43.99 $42.41 | ▲ +3.59% | ▲ +5.06% | $39.83 (+9.46%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers