InsiderTrades

PRESTON JOHN T

SEC CIK 938731 · EDGAR

Buying vs selling by month open-market trades, last 50 months, CLH
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CLHCLEAN HARBORS INCDir 7,044 — $1.47M 102022-01-032026-05-20

Most active insiders at CLH, 12 months

#InsiderTitleBoughtSold
1 MCKIM ALAN SCTO, EXEC COB, Dir —$57.38M
2 GERSTENBERG ERIC WCO-CEO —$2.93M
3 Dugas Eric J.EVP CFO —$1.57M
4 Weber Brian PEVP (CHESI) —$1.37M
5 Gabriel Sharon M.EVP, CIO (CHESI) —$998.5K
6 Robertson AndreaDir —$247.8K
7 Reed Marcy L.Dir —$240.7K
8 States LaurenDir —$225.8K
9 Welch John R.Dir —$204.8K
10 Polito KarynDir $135.8K—
21 PRESTON JOHN TDir ——

Transactions 10

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-05-22 11:26 2026-05-20 CLH CLEAN HARBORS INC PRESTON JOHN T Dir A - Grant $0.00 +652 7,044 +10% $0
2025-05-23 2025-05-21 CLH CLEAN HARBORS INC PRESTON JOHN T Dir A - Grant $0.00 +789 6,392 +14% $0
2024-05-23 2024-05-22 CLH CLEAN HARBORS INC PRESTON JOHN T Dir A - Grant $0.00 +836 5,603 +18% $0
2024-03-15 2024-03-14 CLH CLEAN HARBORS INC PRESTON JOHN T Dir S - Sale $188.36 -1,913 4,767 -29% -$360.3K
2023-08-17 2023-08-16 CLH CLEAN HARBORS INC PRESTON JOHN T Dir S - Sale $173.68 -2,095 6,680 -24% -$363.9K
2023-05-25 2023-05-24 CLH CLEAN HARBORS INC PRESTON JOHN T Dir A - Grant $0.00 +1,148 8,775 +15% $0
2023-03-03 2023-03-02 CLH CLEAN HARBORS INC PRESTON JOHN T Dir S - Sale $134.90 -3,750 7,627 -33% -$505.9K
2022-08-09 2022-08-08 CLH CLEAN HARBORS INC PRESTON JOHN T Dir S - Sale $111.50 -2,168 11.4K -16% -$241.7K
2022-05-26 2022-05-25 CLH CLEAN HARBORS INC PRESTON JOHN T Dir A - Grant $0.00 +1,849 13.5K +16% $0
2022-01-05 2022-01-03 CLH CLEAN HARBORS INC PRESTON JOHN T Dir A - Grant $0.00 +257 11.7K +2% $0

Purchase Sale Sale after option exercise All abbreviations