MCKIM ALAN S

PrivateCIK: 1024547
Location

NORWELL, MA

Senior insider sale

Chrmn.of Bd and CEO at CLEAN HARBORS INC — senior position signals high conviction

$30.54M

108.57K shares

What this filing means

MCKIM ALAN S plans to sell 108.57K shares of CLEAN HARBORS INC valued at approximately $30.54M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderMCKIM ALAN SCIK 1024547
IssuerCLEAN HARBORS INCCIK 822818
DirectorOfficer· Chrmn.of Bd and CEO
Since Jul 2018
108.57K
Shares to sell
$30.54M
Approx. market value
108.57K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months2
Sort

Acquired as a gift

None

Gift
9/16/2025
8.57K

Acquired from public market

Cash

11/11/2009
100K
Total acquired108.57K
Planned & Completed Dispositions1
Sort
NYSEPlanned

Units to sell

108.57K

Market value

$30.54M

2/19/2026
Total

Units

108.57K

Value

$30.54M

MCKIM ALAN S — Planned Insider Sale (Form 144) | Finecho