Clean Harbors (CLH)Rep. April McClain Delaney (MD06) disclosed a partial sale $1K–$15K

$1,001–$15,000

Reported range · official band, not an exact amount

6 days

Disclosure lag

Traded

Jul 28, 2026

Disclosed

Aug 3, 2026

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. Feb 10, 2026Federal contract · $547K obligatedDepartment of Agriculture awarded CLEAN HARBORS INC: $547K obligated to date
2. Feb 20, 2026InsiderCFO sold ~$784K of CLH shares in the open market
3. Feb 23, 2026InsiderCEO sold ~$700K of CLH shares in the open market
4. Mar 18, 2026InsiderCEO sold ~$293K of CLH shares in the open market
5. Apr 22, 2026Federal contract · $1.1M obligatedDepartment of Defense awarded CLEAN HARBORS INC: $1.05M obligated to date
6. Apr 29, 2026Federal contract · $832K obligatedDepartment of the Treasury awarded CLEAN HARBORS INC: $832K obligated to date
7. May 1, 2026CongressDisclosed partial sale of CLH — reported range $1,001 - $15,000
8. Jun 14, 2026Federal contract · $455K obligatedDepartment of the Treasury awarded CLEAN HARBORS INC: $455K obligated to date
9. Jun 26, 2026Federal contract · $669K obligatedDepartment of Defense awarded CLEAN HARBORS INC: $669K obligated to date
10. Jul 24, 2026CongressDisclosed partial sale of CLH — reported range $1,001 - $15,000
11. Jul 27, 2026CongressDisclosed partial sale of CLH — reported range $1,001 - $15,000
12. Jul 28, 2026 · this disclosureCongressDisclosed partial sale of CLH — reported range $1,001 - $15,000

What came next

1. Jul 29, 2026Company filing · Form 8-K · ResultsReported its results
2. Aug 3, 2026InsiderDirector sold ~$248K of CLH shares in the open market
3. Aug 14, 2026InsiderCEO sold ~$803K of CLH shares in the open market
4. Aug 25, 2026CongressDisclosed sale of CLH — reported range $50,001 - $100,000
5. Oct 1, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 1 more item)

How to read House Clerk periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

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 Rep. April McClain Delaney (MD06)

• House Clerk periodic transaction report at Corpay (CPAY)Sep 9, 2026
• House Clerk periodic transaction report at Middleby (MIDD)Sep 9, 2026
• House Clerk periodic transaction report at Tractor Supply (TSCO)Sep 9, 2026
• House Clerk periodic transaction report at Wabtec (WAB)Sep 9, 2026
• House Clerk periodic transaction report at Wabtec (WAB)Sep 9, 2026

The full history of Rep. April McClain Delaney (MD06) is on the profile page.

How this filing works

• The STOCK Act

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.