MARKET_TICKER: CLH

CLEAN HARBORS INCInsider Trading & SEC Form 4 Analysis

Institutional analysis of internal capital flows based on SEC Form 4 filings.

Executive Sentiment
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED

Automated_Intelligence_Report :: CLH

Algorithmic analysis of recent insider trading activity for CLH reveals a bearish posture among the C-suite and board members. Based on the latest SEC Form 4 filings, we have tracked capital events executed by 20 distinct corporate insiders. The aggregate nominal exposure during this reporting cycle reached $194.50M.

Market dynamics show a negative net capital flow of $186.01M when isolating open-market purchases versus open-market sales. The trading volume is heavily weighted towards open-market executions, providing a clearer signal of insider conviction regarding current valuation levels compared to option-based equity grants.

From a microstructural perspective, the landscape is fragmented. Polito Karyn led the buying pressure, while MCKIM ALAN S registered the largest single offload of shares. Continuous monitoring of these Tier-1 actors is essential, as their liquidity decisions often precede material corporate events or reflect an informed, asymmetric perspective on the future performance of CLH.

Volume_30D

$194.50M

USD NOMINAL VALUE
Active_Insiders

20

UNIQUE C-SUITE ENTITIES
Last_Entry

2026.05.26

ISO_8601 FORMAT
INITIALIZING_CHART_ENGINE...
Entity / TimelineMethodologyPositionNet Value
States Lauren2026.05.26
DISPOSAL789$225,803.91
Welch John R.2026.05.20
ACQUISITION652$0
Stewart Shelley JR2026.05.20
ACQUISITION652$0
States Lauren2026.05.20
ACQUISITION652$0
Willett Robert2026.05.20
ACQUISITION652$0
Robertson Andrea2026.05.20
ACQUISITION652$0
Reed Marcy L.2026.05.20
ACQUISITION652$0
Quirk Alison A.2026.05.20
ACQUISITION652$0
PRESTON JOHN T2026.05.20
ACQUISITION652$0
GALANTE EDWARD G2026.05.20
ACQUISITION652$0
Polito Karyn2026.05.20
ACQUISITION652$0
Polito Karyn2026.05.11
ACQUISITION460$135,759.8
Polito Karyn2026.05.11
ACQUISITION460$135,759.8
Robertson Andrea2026.05.11
ACQUISITION342$0
GERSTENBERG ERIC W2026.03.18
DISPOSAL1,000$293,000
GERSTENBERG ERIC W2026.03.18
DISPOSAL1,000$293,000
GERSTENBERG ERIC W2026.03.18
DISPOSAL1,000$293,000
Reed Marcy L.2026.03.18
DISPOSAL836$240,717.84
Reed Marcy L.2026.03.18
DISPOSAL836$240,717.84
Reed Marcy L.2026.03.18
DISPOSAL836$240,717.84
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Automated_Queries :: Frequently Asked Questions

>Who is currently buying CLH stock?

Based on the latest SEC Form 4 filings, Polito Karyn (Officer/Other) has been actively acquiring shares. The total recent insider buying volume stands at $0.14M.

>Are CLH insiders selling their shares?

Yes, we have tracked $186.15M in recent insider liquidations. The most notable recent seller is MCKIM ALAN S, who executed the largest single offload.

>What is the overall insider sentiment for CLH?

The short-term structural capital flow indicates a BEARISH sentiment, with a net flow of $186.01M generated by 20 active C-Suite entities.

SECTOR_PEERS :: Industrials