GERSTENBERG ERIC W

PrivateCIK: 1211558
Location

KINGSTON, MA

GERSTENBERG ERIC W (Chief Operating Officer(CHESI)) received a stock award from CLEAN HARBORS INC

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 2 awards
InsiderGERSTENBERG ERIC WCIK 1211558
IssuerCLEAN HARBORS INCCIK 822818
Officer· Chief Operating Officer(CHESI)
Since Jul 2018
+16.05K
Net shares
Net buyer
$1.28M
Total sold
0
Open market trades
0B · 0S
3
Total transactions
20.98K acquired · 4.93K disposed
Non-Derivative Transactions3

Common Stock

Direct
A · Award

Shares

+10.29K

Price / share

Trade value

% of position

22.6%
2/1/2026
45.52K55.81K

Common Stock

Direct
A · Award

Shares

+10.69K

Price / share

Trade value

% of position

19.2%
2/1/2026
55.81K66.50K

Common Stock

Direct
F · Tax Withholding

Shares

4.93K

Price / share

$259.91

Trade value

$1.28M

% of position

9.8%
2/2/2026
50.45K45.52K
Total

Net shares

+16.05K

Net value

-$1.28M

Derivative Transactions0
No derivative transactions reported
GERSTENBERG ERIC W — Insider Transaction (Form 4) Filed Feb 3, 2026 | Finecho