December 1, 2025 · Form 4 insider transaction
Harrison Robert W. sold 122 shares of Clean Harbors, Inc. at $228.54 per share, a transaction worth $27.9K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.