January 5, 2024 · Form 4 insider transaction
Lucas Stephen G sold 678 shares of KOPPERS HOLDINGS INC at $47.32 per share, a transaction worth $32.1K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 3 days after the transaction.
Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units ("RSUs").