UNDERWOOD REBECCA

PrivateCIK: 1990612
Location

NORWELL, MA

UNDERWOOD REBECCA (PRESIDENT & EVP FACILITIES) reported 2 transactions at CLEAN HARBORS INC

Review the transaction codes below to understand the nature of each event.

InsiderUNDERWOOD REBECCACIK 1990612
IssuerCLEAN HARBORS INCCIK 822818
Officer· PRESIDENT & EVP FACILITIES
Since Feb 2026
-1.53K
Net shares
Net seller
$36.1K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
1.53K disposed
Non-Derivative Transactions2

Common Stock

Direct
F · Tax Withholding

Shares

125.00

Price / share

$288.93

Trade value

$36.12K

% of position

0.6%
3/13/2026
20.21K20.09K

Common Stock

Direct
D · Disposition

Shares

1.40K

Price / share

Trade value

% of position

7.0%
3/13/2026
20.09K18.68K
Total

Net shares

1.53K

Net value

-$36.12K

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