John T. Preston
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
Discretionary Trading P&L
Holdings
About PRESTON JOHN T
PRESTON JOHN T (SEC CIK 0000938731) files insider reports with the SEC as Director of CLEAN HARBORS INC (CLH).
Signal8 holds 2 ownership filings by PRESTON JOHN T, all Form 4s, filed between May 23, 2025 and May 22, 2026. Those filings report 2 transactions, from May 21, 2025 to May 20, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on PRESTON JOHN T's filings is in HINGHAM, MA.
Recent filings by PRESTON JOHN T
Other insiders filing for CLEAN HARBORS INC (CLH)
- Geer Charles H. II, EVP, Industrial Services
- Polito Karyn, Director
- GERSTENBERG ERIC W, CO-CEO
- Dugas Eric J., EVP CHIEF FINANCIAL OFFICER
- Battles Michael Louis, CO-CEO
- CURTIS GEORGE L, EXEC. VICE PRESIDENT (CHESI)