Clean Harbors (CLH)EVP (CHESI) sold ~$689K

~$689K

Approx. value · 3,035 sh @ $227.17

55K

Holds after · shares reported

Traded

Jun 13, 2025

Filed

Jun 16, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. May 22, 2025InsiderDirector sold ~$189K of CLH shares in the open market
2. May 27, 2025InsiderOfficer sold ~$234K of CLH shares in the open market
3. May 28, 2025InsiderDirector sold ~$286K of CLH shares in the open market
4. Jun 4, 2025InsiderChair sold ~$9.43M of CLH shares in the open market
5. Jun 5, 2025Insider · 2 peopleInsiders: 2 sales (~$13.2M)
6. Jun 6, 2025InsiderCEO sold ~$1.82M of CLH shares in the open market
7. Jun 13, 2025 · this disclosureInsiderOfficer sold ~$689K of CLH shares in the open market

What came next

1. Jun 20, 2025CongressDisclosed partial sale of CLH — reported range $1,001 - $15,000
2. Jul 31, 2025InsiderDirector sold ~$195K of CLH shares in the open market
3. Aug 1, 2025InsiderCEO purchased ~$467K of CLH shares in the open market
4. Aug 7, 2025CongressDisclosed partial sale of CLH — reported range $1,001 - $15,000
5. Oct 9, 2025Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Clean Harbors

For Clean Harbors, OQRO holds 5 insider filings (SEC Form 4 or Form 144), 4 Congress trade reports, 14 fund holdings reports (13F) and 2 federal contract awards dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CLH page.

Other recent filings by Brian P Weber, EVP (CHESI)

• SEC Form 4 at Clean Harbors (CLH)Mar 17, 2026
• SEC Form 4 at Clean Harbors (CLH)Nov 27, 2024

The full history of Brian P Weber, EVP (CHESI) is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Clean Harbors

• House Clerk periodic transaction reportSep 9, 2026
• USAspending.gov award recordAug 28, 2026
• USAspending.gov award recordAug 27, 2026
• SEC Form 4Aug 18, 2026
• SEC Form 4Aug 14, 2026
• SEC Form 4Aug 14, 2026

Everything OQRO holds on this company is on its CLH page.