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Eric W Gerstenberg
CEOInsider filing
Sold

Sold $700K of CLH

Eric W Gerstenberg reported this trade on Aug 14, 2026, 172 days after the trade date of Feb 23, 2026. The deadline for company insiders is two business days.

Feb 23

Sold CLH

$700K

Aug 14

Reported

Insider filing

Company insiders have two business days to report.

What
CLH · Clean Harbors Inc
Amount
$700K
Type of transaction
Sold on the open market
Pre-scheduled plan (10b5-1)
No
Traded
Feb 23, 2026
Reported
Aug 14, 2026
Wait to report
172 days, late
Where it was reported
Company insider filing (SEC Form 4)
See the original filing Record 8373
32

Unusual compared with their history

Score 32 of 100, from 3 reasons.

  • Not part of a pre-scheduled plan

    Insiders can set up trades months ahead (a 10b5-1 plan). The filing dated Aug 14, 2026 does not mark this trade as one of those.

    +12

  • A member of Congress traded CLH the same day

    Rep. April McClain Delaney reported a purchase of CLH dated Feb 23, 2026; this trade is dated Feb 23, 2026.

    Rep. April McClain Delaney's filing
    +12

  • Reported 170 days late

    Company insiders have two business days to report a trade. This one was due Feb 25, 2026 and was filed Aug 14, 2026.

    +8

A flag means a trade differs from this person's usual pattern. It is not evidence of wrongdoing.

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