Apostolou Stephanie L bought KOP
January 5, 2026 · Form 4 insider transaction
Apostolou Stephanie L bought 4,666 shares of Koppers Holdings Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
4,666
Price
N/A
Total value
N/A
InsiderApostolou Stephanie L
Role—
CompanyKoppers Holdings Inc. (KOP)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJanuary 5, 2026
Filing dateJanuary 6, 2026
Shares owned after64,419
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Restricted stock units convert into common stock on a one-for-one basis.