InsiderTrades

Form 4 for CLH CLEAN HARBORS INC

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0001322710-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-17 2026-03-13 CLH Weber Brian P EVP (CHESI) F - Tax $288.93 -960 55.3K -2% -$277.4K
2026-03-17 2026-03-13 CLH Weber Brian P EVP (CHESI) D - Sale to Iss $0.00 -1,869 53.4K -3% $0
2026-03-17 2026-03-17 CLH Weber Brian P EVP (CHESI) S - Sale $293.39 -4,683 48.7K -9% -$1.37M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-13 F D 960 $288.93 55,280 D — — (F1) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.
2 Common Common Stock 2026-03-13 D D 1,869 $0.00 53,411 D — — (F2) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.
3 Common Common Stock 2026-03-17 S D 4,683 $293.39 48,728 D — —