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C

CLH

NYSE

CLEAN HARBORS INC

Latest disclosureAugust 18, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

1 purchases · 6 sales

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Insider transactions 36

Limited filing history
All36Buying1Selling6Other29
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

6 of 36 trades · February 20, 2026 – August 14, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.
Sale disclosed

Eric W. Gerstenberg

CO-CEO

Common Stock

Reported value
$803.35K
Reported price
$321.34 / share
Traded August 14, 2026Filed August 18, 2026SEC filing
Sale disclosedAmended filing

Eric W. Gerstenberg

CO-CEO

Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$293.00
Raw implied value
$293,000.00
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗

Common Stock

Reported value
—
Reported price
—
Understand this price

Filing error, value unverified. The filed amounts are preserved for review and excluded from buying signals and transaction totals until verified.

Traded March 18, 2026Filed August 14, 2026SEC filing
Sale disclosedAmended filing

Eric W. Gerstenberg

CO-CEO

Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$279.86
Raw implied value
$699,650.00
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗

Common Stock

Reported value
—
Reported price
—
Understand this price

Filing error, value unverified. The filed amounts are preserved for review and excluded from buying signals and transaction totals until verified.

Traded February 23, 2026Filed August 14, 2026SEC filing
Sale disclosedAmended filing

Eric J. Dugas

EVP CHIEF FINANCIAL OFFICER

Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$281.31
Raw implied value
$784,292.28
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗

Common Stock

Reported value
—
Reported price
—
Understand this price

Filing error, value unverified. The filed amounts are preserved for review and excluded from buying signals and transaction totals until verified.

Traded February 20, 2026Filed August 14, 2026SEC filing
Sale disclosed

Andrea Robertson

Director

Common Stock

Reported value
$247.75K
Reported price
$314.01 / share
Traded August 3, 2026Filed August 3, 2026SEC filing
Sale disclosed

Lauren States

Director

Common Stock

Reported value
$225.8K
Reported price
$286.19 / share
Traded May 26, 2026Filed May 27, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
CO-CEOCommon StockSale2,500$321.34 / share$803.35KAug 14Filed Aug 18 · 4d laterSEC filing
CO-CEO
Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$293.00
Raw implied value
$293,000.00
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗
Common StockSale1,000——Mar 18Filed Aug 14 · 149d laterSEC filing
CO-CEO
Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$279.86
Raw implied value
$699,650.00
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗
Common StockSale2,500——Feb 23Filed Aug 14 · 172d laterSEC filing
EVP CHIEF FINANCIAL OFFICER
Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$281.31
Raw implied value
$784,292.28
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗
Common StockSale2,788——Feb 20Filed Aug 14 · 175d laterSEC filing
DirectorCommon StockSale789$314.01 / share$247.75KAug 3Filed Aug 3 · 0d laterSEC filing
DirectorCommon StockSale789$286.19 / share$225.8KMay 26Filed May 27 · 1d laterSEC filing

Congress transactions 8

All Congress filings
Sale disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$50,001 – $100,000Reported range; exact amount not disclosed.
Trade date
August 25, 2026
Filed September 9, 2026 · 15d laterOriginal report
Partial sale disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a partial sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
July 28, 2026
Filed August 3, 2026 · 6d laterOriginal report
Partial sale disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a partial sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
July 27, 2026
Filed August 3, 2026 · 7d laterOriginal report
Partial sale disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a partial sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
July 24, 2026
Filed August 3, 2026 · 10d laterOriginal report
Partial sale disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a partial sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
May 1, 2026
Filed June 5, 2026 · 35d laterOriginal report
Partial sale disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a partial sale for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
April 30, 2026
Filed May 6, 2026 · 6d laterOriginal report
Purchase disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
February 23, 2026
Filed March 10, 2026 · 15d laterOriginal report
Purchase disclosed

Clean Harbors, Inc. Common Stock (CLH) · Stock

The filing reports a purchase for a dependent.

April McClain Delaney official portraitApril McClain DelaneyReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
December 3, 2025
Filed January 5, 2026 · 33d laterOriginal report
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Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000822818
Latest public acceptance
Aug 18, 2026, 06:47 PM UTC
Score calculated
Oct 8, 2026, 12:04 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.