Clean Harbors Inc (CLH) insider trading
Every open-market stock purchase and sale by Clean Harbors Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Karyn Polito (Insider) bought $39.4K in the last 90 days.
- Eric W Gerstenberg (CEO) and 1 other sold $2.6M in the last 90 days.
- Congress: April McClain Delaney sold $50K to $100K, 2 months ago.
Last 12 months: insiders bought $175K (2 buys) and sold $65.2M (16 sales). Last close $302.12 on Oct 30, 2026.
Recent CLH insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 29, 2026 | Karyn Polito (Insider) | Bought | $39.4K |
| Aug 25, 2026 | April McClain Delaney (Representative) | Sold | $50K–100K |
| Aug 14, 2026 | Eric W Gerstenberg (CEO) | Sold | $803K |
| Aug 3, 2026 | Andrea Robertson (Insider) | Sold | $248K |
| Jul 28, 2026 | April McClain Delaney (Representative) | Sold | $1K–15K |
| Jul 27, 2026 | April McClain Delaney (Representative) | Sold | $1K–15K |
| Jul 24, 2026 | April McClain Delaney (Representative) | Sold | $1K–15K |
| Jul 17, 2026 | Alan S McKim (CTO) | Sold (not open market) | $393K |
| Jul 1, 2026 | George L Curtis (President) | Sold (not open market) | $511K |
| Jul 1, 2026 | Alan S McKim (CTO) | Sold (not open market) | $390K |
| Jul 1, 2026 | Michael Louis Battles (CEO) | Sold (not open market) | $300K |
| Jul 1, 2026 | Brian P Weber (VP) | Sold (not open market) | $237K |
| Jul 1, 2026 | Eric W Gerstenberg (CEO) | Sold (not open market) | $164K |
| Jul 1, 2026 | Eric W Gerstenberg (CEO) | Sold (not open market) | $164K |
| Jul 1, 2026 | Eric J. Dugas (CFO) | Sold (not open market) | $130K |
| Jul 1, 2026 | Eric J. Dugas (CFO) | Sold (not open market) | $130K |
| Jul 1, 2026 | Sharon M. Gabriel (C-suite exec) | Sold (not open market) | $104K |
| Jul 1, 2026 | Rebecca Underwood (President) | Sold (not open market) | $90.4K |
| Jul 1, 2026 | Charles H. Geer II (VP) | Sold (not open market) | $11.6K |
| Jun 1, 2026 | Jeroen Diderich (President) | Sold (not open market) | $482K |
| May 26, 2026 | Lauren States (Insider) | Sold | $226K |
| May 20, 2026 | John R. Welch (Insider) | Bought (not open market) | — |
| May 20, 2026 | Shelley Stewart JR (Insider) | Bought (not open market) | — |
| May 20, 2026 | Marcy L. Reed (Insider) | Bought (not open market) | — |
| May 20, 2026 | Karyn Polito (Insider) | Bought (not open market) | — |
Who's trading CLH
- Karyn Polito, Insider: bought $175K (2 buys), last Oct 29, 2026
- April McClain Delaney, Representative: bought $23K (2 buys), sold $90K (6 sales), last Aug 25, 2026
- Eric W Gerstenberg, CEO: sold $2.9M (6 sales), last Aug 14, 2026
- Andrea Robertson, Insider: sold $248K (1 sale), last Aug 3, 2026
- Alan S McKim, CTO: sold $57.4M (2 sales), last Jul 17, 2026
- Sharon M. Gabriel, C-suite exec: sold $999K (1 sale), last Jul 1, 2026
- George L Curtis, President: other filings, last Jul 1, 2026
- Charles H. Geer II, VP: other filings, last Jul 1, 2026
- Brian P Weber, VP: sold $1.4M (1 sale), last Jul 1, 2026
- Rebecca Underwood, President: other filings, last Jul 1, 2026
- Eric J. Dugas, CFO: sold $1.6M (2 sales), last Jul 1, 2026
- Michael Louis Battles, CEO: other filings, last Jul 1, 2026
- Jeroen Diderich, President: other filings, last Jun 1, 2026
- Lauren States, Insider: sold $226K (1 sale), last May 26, 2026
- Robert Willett, Insider: other filings, last May 20, 2026
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