CLEAN HARBORS INC (CLH)
NYSE · Hazardous Waste Management · Inc. MA
What they're doing
Between 2026-08-02 and 2026-10-31, public records show 1 signal for CLEAN HARBORS INC. Most notable: 2026-10-05: Filed 8-K disclosing material agreement. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-10-31 from public records.
Signals, last 12 months
- Material 8-K filingFiled 8-K disclosing material agreement
- Material 8-K filingFiled 8-K disclosing director or officer change
- Insider purchasePolito Karyn (director) bought $136k of stock
- Large insider saleWeber Brian P (officer) sold $1.4M of stock
- Large insider saleMCKIM ALAN S (director) sold $29.3M of stock
- Large insider saleMCKIM ALAN S (director) sold $28.1M of stock
- Large insider saleMCKIM ALAN S (director) sold $28.1M of stock
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-29 | Polito Karyn | director | P | 125 | 314.83 | $39,354 |
| 2026-08-14 | GERSTENBERG ERIC W | officer | S | 2,500 | 321.34 | $803,350 |
| 2026-08-03 | Robertson Andrea | director | S | 789 | 314.01 | $247,754 |
| 2026-07-17 | MCKIM ALAN S | director | F | 1,265 | 310.58 | $392,884 |
| 2026-07-01 | GERSTENBERG ERIC W | officer | F | 564 | 290.74 | $163,977 |
| 2026-07-01 | Dugas Eric J. | officer | F | 447 | 290.74 | $129,961 |
| 2026-07-01 | Battles Michael Louis | director | F | 1,032 | 290.74 | $300,044 |
| 2026-07-01 | CURTIS GEORGE L | officer | F | 1,757 | 290.74 | $510,830 |
| 2026-07-01 | Gabriel Sharon M. | officer | F | 359 | 290.74 | $104,376 |
| 2026-07-01 | Weber Brian P | officer | F | 814 | 290.74 | $236,662 |
| 2026-07-01 | Underwood Rebecca | officer | F | 311 | 290.74 | $90,420 |
| 2026-07-01 | MCKIM ALAN S | director | F | 1,343 | 290.74 | $390,464 |
| 2026-07-01 | GERSTENBERG ERIC W | officer | F | 564 | 290.74 | $163,977 |
| 2026-07-01 | Geer Charles H. II | officer | F | 40 | 290.74 | $11,630 |
| 2026-07-01 | Dugas Eric J. | officer | F | 447 | 290.74 | $129,961 |
| 2026-06-01 | Diderich Jeroen | officer | F | 1,717 | 281 | $482,477 |
| 2026-06-01 | Diderich Jeroen | officer | F | 1,717 | 281 | $482,477 |
| 2026-05-26 | States Lauren | director | S | 789 | 286.19 | $225,804 |
| 2026-05-26 | States Lauren | director | S | 789 | 286.19 | $225,804 |
| 2026-05-20 | Polito Karyn | director | A | 652 | 0 | $0 |
| 2026-05-20 | GALANTE EDWARD G | director | A | 652 | 0 | $0 |
| 2026-05-20 | PRESTON JOHN T | director | A | 652 | 0 | $0 |
| 2026-05-20 | Quirk Alison A. | director | A | 652 | 0 | $0 |
| 2026-05-20 | Reed Marcy L. | director | A | 652 | 0 | $0 |
| 2026-05-20 | Robertson Andrea | director | A | 652 | 0 | $0 |
| 2026-05-20 | States Lauren | director | A | 652 | 0 | $0 |
| 2026-05-20 | Stewart Shelley JR | director | A | 652 | 0 | $0 |
| 2026-05-20 | Welch John R. | director | A | 652 | 0 | $0 |
| 2026-05-20 | Willett Robert | director | A | 652 | 0 | $0 |
| 2026-05-20 | Willett Robert | director | A | 652 | 0 | $0 |
| 2026-05-20 | Welch John R. | director | A | 652 | 0 | $0 |
| 2026-05-20 | Stewart Shelley JR | director | A | 652 | 0 | $0 |
| 2026-05-20 | States Lauren | director | A | 652 | 0 | $0 |
| 2026-05-20 | Robertson Andrea | director | A | 652 | 0 | $0 |
| 2026-05-20 | Reed Marcy L. | director | A | 652 | 0 | $0 |
| 2026-05-20 | Quirk Alison A. | director | A | 652 | 0 | $0 |
| 2026-05-20 | PRESTON JOHN T | director | A | 652 | 0 | $0 |
| 2026-05-20 | GALANTE EDWARD G | director | A | 652 | 0 | $0 |
| 2026-05-20 | Polito Karyn | director | A | 652 | 0 | $0 |
| 2026-05-11 | Robertson Andrea | director | G | 342 | 0 | $0 |
| 2026-05-11 | Polito Karyn | director | A | 460 | 295.13 | $135,760 |
| 2026-05-11 | Polito Karyn | director | P | 460 | 295.13 | $135,760 |
| 2026-05-11 | Polito Karyn | director | P | 460 | 295.13 | $135,760 |
| 2026-05-11 | Polito Karyn | director | A | 460 | 295.13 | $135,760 |
| 2026-05-11 | Robertson Andrea | director | G | 342 | 0 | $0 |
| 2026-03-18 | Reed Marcy L. | director | S | 836 | 287.94 | $240,718 |
| 2026-03-18 | GERSTENBERG ERIC W | officer | S | 1,000 | 293 | $293,000 |
| 2026-03-18 | GERSTENBERG ERIC W | officer | S | 1,000 | 293 | $293,000 |
| 2026-03-18 | Reed Marcy L. | director | S | 836 | 287.94 | $240,718 |
| 2026-03-18 | GERSTENBERG ERIC W | officer | S | 1,000 | 293 | $293,000 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
7-day average 47 views/day vs 90-day median 52.