Company_Context
Utilities
Hazardous Waste Management
Source: SEC SIC
MARKET_TICKER: CLH
CLEAN HARBORS INCInsider Trading & SEC Form 4 Analysis
Latest CLH SEC Form 4 activity, net insider flow, and the largest recent buyer or seller in one live view.
Open-Market Signal
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
8 directional transactions in 180D
Code P purchases and code S sales are measured from 2026.03.02 — 2026.08.28.
Net_Flow_180D
-$32.3M
Open-market buys minus salesLatest_Form_4
2026.08.14
Latest available filingActive_Insiders_180D
21
Reporting entities in windowTop_Buyer_180D
Polito Karyn
$135.8KTop_Seller_180D
MCKIM ALAN S
$29.3MAutomated_Intelligence_Report :: CLH
During the selected 180-day window, CLH insider trading registers a bearish signal with -$32.3M in net open-market flow across 21 reporting insiders. The latest available Form 4 was recorded on 2026.08.14.
Open-market purchases minus open-market sales produce a negative net flow of $32.31M. Open-market executions represent the majority of measured nominal activity in this window, making the directional flow more representative of voluntary trading activity.
Polito Karyn recorded the largest aggregate purchase volume, while MCKIM ALAN S recorded the largest aggregate sale volume. Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
0
Clustered open-market purchase records in the recent filing sample.
No coordinated buying cluster detected
Post_Filing_Performance
Live Market Chart :: CLH
Analyze CLH with advanced technical indicators.
View on TradingView (Get $15 Off)Recent Insider Flow :: CLH
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 180D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Is insider buying outweighing selling at CLH?
Open-market selling volume ($32.45M) currently exceeds buying volume ($0.14M), indicating net liquidation by insiders.
>Who is currently buying CLH stock?
During the last 180 calendar days, Polito Karyn (Executive) recorded the largest aggregate open-market purchase volume. Total insider buying in the window is $0.14M.
>Are CLH insiders selling their shares?
During the last 180 calendar days, eligible open-market sales total $32.45M. MCKIM ALAN S recorded the largest aggregate selling volume.
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