Form 4 for CLH CLEAN HARBORS INC
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0001216581-26-000004 · 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 | CURTIS GEORGE L | EXEC. VP (CHESI) | F - Tax | $288.93 | -350 | 47.1K | -0.7% | -$101.1K | |
| 2026-03-17 | 2026-03-13 | CLH | CURTIS GEORGE L | EXEC. VP (CHESI) | D - Sale to Iss | $0.00 | -1,028 | 46.0K | -2% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-13 | F | D | 350 | $288.93 | 47,065 | 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 | 1,028 | $0.00 | 46,048 | D | — | — | (F2) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. (F3) Includes 11 shares acquired under the Clean Harbors Employee Stock Purchase Plan |