December 15, 2025 · Form 4 insider transaction
Underwood Rebecca sold 51 shares of Clean Harbors, Inc. at $240.71 per share, a transaction worth $12.3K. 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.