PRESTON JOHN T
SEC insider (Form 3/4/5 filer). CIK 0000938731. Director at CLEAN HARBORS INC (CLH). 2 reported Form 4/5 transactions since Sep 2024; latest on May 20, 2026. Located in HINGHAM, MA.
Companies PRESTON JOHN T has filed insider reports for
- CLEAN HARBORS INC (CLH): Director
PRESTON JOHN T
CIK: 0000938731
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CLH
CLEAN HARBORS INC
Director