Reporting person on SEC Form 4

George L Curtis

George L Curtis is EXEC. VICE PRESIDENT (CHESI) at Clean Harbors. OQRO lists 5 transactions filed with the SEC under this name, the latest on Aug 11, 2026, each linked to the official Form 4.

EXEC. VICE PRESIDENT (CHESI)

Disclosures on record

5

Companies involved

1

Disclosure history

Clean HarborsCLH
5 disclosures · Dec 2025 – Aug 2026
- Jul 1, 20261,757disclosed Aug 11
  Details Official record
- Mar 13, 20261,028disclosed Mar 17
  Details Official record

Mar 13, 2026350disclosed Mar 17

Details Official record

Feb 2, 2026249disclosed Feb 4

Details Official record

Dec 9, 20251,000disclosed Dec 11

Details Official record

All activity in Clean Harbors