Reporting person on SEC Form 4

Robert W. Harrison

Robert W. Harrison is EVP, EHS at Clean Harbors. OQRO lists 7 transactions filed with the SEC under this name, the latest on Mar 17, 2026, each linked to the official Form 4.

EVP, EHS

Disclosures on record

7

Companies involved

1

Disclosure history

Clean HarborsCLH
7 disclosures · Dec 2025 – Mar 2026
- Mar 13, 2026368disclosed Mar 17
  Details Official record
- Mar 13, 202618disclosed Mar 17
  Details Official record

Feb 1, 20261,003disclosed Feb 4

Details Official record

Feb 1, 2026430disclosed Feb 4

Details Official record

Feb 2, 2026184disclosed Feb 4

Details Official record

Dec 15, 202516disclosed Dec 17

Details Official record

Dec 1, 2025122disclosed Dec 3

Details Official record

All activity in Clean Harbors