May 20, 2026 · Form 4 insider transaction
Quirk Alison A. bought 652 shares of Clean Harbors, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.