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CLH — structural market context

Clean Harbors, Inc

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

CLH short interest & days to cover

SHARES SHORT

1.3M

% OF FLOAT

—

DAYS TO COVER

2.3

CHANGE VS PRIOR

+13.7%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-07-31 (15d ago)

CLH fails-to-deliver (FTD)

Settlement date	Failed shares	Price
2026-07-01 · 45d	37	$298.75
2026-06-15 · 61d	78	$287.78

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

CLH insider buying and selling (Form 4)

Last 12 months, open-market only: 0 purchases · 3 sales

Insider	Type	Shares	Value	Filed
GERSTENBERG ERIC W · officer: CO-CEO	Sell (S)	1K	$293K	2026-08-14
GERSTENBERG ERIC W · officer: CO-CEO	Sell (S)	3K	$700K	2026-08-14
Dugas Eric J. · officer: EVP CHIEF FINANCIAL OFFICER	Sell (S)	3K	$784K	2026-08-14

SEC Form 4 filings, open-market purchases and sales only (codes P and S); grants and option exercises excluded. Attributed public records.

Frequently asked questions

Are insiders buying CLH?

In the last 12 months of SEC Form 4 filings, CLH recorded 0 open-market insider purchases and 3 open-market sales (codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.

Is this page telling me to buy or sell CLH?

No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.