The cluster is modest in size relative to market cap and lacks the amplification that cluster buys carry. Monitor for any upcoming earnings or M&A news that might have prompted the sales, but treat this as routine portfolio diversification unless a 10b5-1 plan is disclosed.
Price Chart
Executive Summary
Four Clean Harbors insiders sold a total of $30.1M in shares over Feb 13-20, 2026, led by Executive Chair Alan McKim ($28.1M). The total represents 0.18% of market cap — a modest amount that does not signal material bearish conviction, especially given that cluster sells are not predictive per academic literature.
Key Financial Metrics
Key Facts
- 4 insiders sold shares totaling $30.1M
- Executive Chair/CTO Alan McKim sold $28.1M (100K shares at $281.14)
- CFO Eric Dugas sold $784K, EVP/CIO Sharon Gabriel sold $999K, Director John Welch sold $205K
- Total sales equal ~0.18% of CLH's $16.9B market cap
Financial Impact
0.18% of market cap sold by insiders over one week
Risk Factors
- Large sale by Executive Chair could spook retail investors if misinterpreted
- No cross-filing context provided to assess whether insider activity precedes material news
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CLH-1786712664294 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 14, 2026 7w ago | Insider Cluster | $321.98 $322.99 | ▲ +0.31% | ▲ +2.31% | $318.51 (−1.08%) |
Aug 12, 2026 7w ago | 8-K | $316.65 $320.94 | ▲ +1.35% | ▲ +3.25% | $318.51 (+0.59%) |
Jul 29, 2026 9w ago | 8-K | $326.34 $313.67 | ▼ −3.88% | ▼ −8.90% | $318.51 (−2.40%) |
May 14, 2026 20w ago | 8-K | $308.40 $287.78 | ▼ −6.69% | ▼ −5.83% | $318.51 (+3.28%) |
May 6, 2026 21w ago | 8-K | $287.98 $286.63 | ▼ −0.47% | ▼ −3.25% | $318.51 (+10.60%) |
Apr 10, 2026 25w ago | DEFA14A | $302.23 $282.37 | ▼ −6.57% | ▼ −15.10% | $318.51 (+5.39%) |
Mar 17, 2026 28w ago | Insider Cluster | $290.55 $296.00 | ▲ +1.88% | ▼ −2.42% | $318.51 (+9.62%) |
US Market Status
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