Insider trade

Officer sold ~$1.37M of CLH shares in the open market

Traded Mar 17, 2026 · Filed Mar 17, 2026

Why it stands out

Clean Harbors's (CHESI) sold $1.37M of Clean Harbors shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Officer$1M+

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,373,945

Shares × reported transaction price

Timing vs results

27 days after results of Feb 18, 2026, 50 days before results of May 6, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	−0.9%	−0.7%	−0.2%
30 days	+3.3%	+7.4%	−4.0%
90 days	−0.1%	+13.4%	−13.6%
180 days	+11.0%	+15.0%	−4.0%

Past results only. Not a forecast.

Director sold

7mo ago

A board member of Clean Harbors sold $241K of Clean Harbors shares. Nobody planned it ahead of time.

CEO sold

7mo ago

The boss of Clean Harbors sold $293K of Clean Harbors shares. Nobody planned it ahead of time.

7mo ago

Routine share withholding; mechanical by default.