CLEAN HARBORS INC CLH
CIK 0000822818
Form 4 transactions dated Sep 1, 2023 to Sep 23, 2026, as reported to the SEC.
Insider purchases & sales
- Purchased
- $803.71K
- Sold
- $152.94M
Sep 1, 2023 – Aug 18, 2026
Available records · partial months are marked ·
| Date | Insider | Activity | Trade value (USD) | % of prior holding | |
|---|---|---|---|---|---|
| 2026-08-14 | GERSTENBERG ERIC W CO-CEO | Sale | $803.35K 2,500 shares sold | 4.22% sold Direct holding | ▾ |
| 2026-08-03 | Robertson Andrea Director | Sale | $247.75K 789 shares sold | 8.08% sold Direct holding | ▾ |
| 2026-05-26 | States Lauren Director | Sale | $225.80K 789 shares sold | 6.49% sold Direct holding | ▾ |
| 2026-05-11 | Polito Karyn Director | Purchase | $135.76K 460 shares bought | 15.26% added Direct holding | ▾ |
| 2026-03-18 | Reed Marcy L. Director | Sale | $240.72K 836 shares sold | 14.13% sold Direct holding | ▾ |
| 2026-03-18 | GERSTENBERG ERIC W CO-CEO | Sale | $293.00K 1,000 shares sold | 1.64% sold Direct holding | ▾ |
| 2026-03-17 | Weber Brian P EVP (CHESI) | Sale | $1.37M 4,683 shares sold | 8.77% sold Direct holding | ▾ |
| 2026-03-04 | MCKIM ALAN S EXEC CHAIR, CTO. · Director | Sale | $29.27M 100,000 shares sold | 4.62% sold Trust holding | ▾ |
| 2026-02-23 | GERSTENBERG ERIC W CO-CEO | Sale | $699.65K 2,500 shares sold | 3.76% sold Direct holding | ▾ |
| 2026-02-20 | Gabriel Sharon M. EVP/CIO (CHESI) | Sale | $998.53K 3,540 shares sold | 13.24% sold Direct holding | ▾ |
Showing 13 / 13 record groups in 2026. The complete set is available through the API.
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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.