WEBER BRIAN P

PrivateCIK: 1322710
Location

WALPOLE, MA

WEBER BRIAN P (EVP (CHESI)) sold 8.8% of their position (4.68K shares) of CLEAN HARBORS INC on the open market

Open‑market sale worth $1.37M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWEBER BRIAN PCIK 1322710
IssuerCLEAN HARBORS INCCIK 822818
Officer· EVP (CHESI)
Since Jul 2018
-7.51K
Net shares
Net seller
$1.65M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
7.51K disposed
Non-Derivative Transactions3

Common Stock

Direct
F · Tax Withholding

Shares

960.00

Price / share

$288.93

Trade value

$277.37K

% of position

1.7%
3/13/2026
56.24K55.28K

Common Stock

Direct
D · Disposition

Shares

1.87K

Price / share

Trade value

% of position

3.4%
3/13/2026
55.28K53.41K

Common Stock

Direct
S · Sale

Shares

4.68K

Price / share

$293.39

Trade value

$1.37M

% of position

8.8%
3/17/2026
53.41K48.73K
Total

Net shares

7.51K

Net value

-$1.65M

Derivative Transactions0
No derivative transactions reported
WEBER BRIAN P — Insider Transaction (Form 4) Filed Mar 17, 2026 | Finecho