WELCH JOHN R.

PrivateCIK: 1611303
Location

WESTON, MA

WELCH JOHN R. received a stock award from CLEAN HARBORS INC

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

A · 1 award
InsiderWELCH JOHN R.CIK 1611303
IssuerCLEAN HARBORS INCCIK 822818
Director
Since Feb 2026
+652.00
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
652.00 acquired
Non-Derivative Transactions1

Common Stock

Direct
A · Award

Shares

+652.00

Price / share

Trade value

% of position

6.4%
5/20/2026
10.24K10.89K
Total

Net shares

+652.00

Net value

$0.00

Derivative Transactions0
No derivative transactions reported
WELCH JOHN R. — Insider Transaction (Form 4) Filed May 22, 2026 | Finecho