Apostolou Stephanie L bought KOP
January 5, 2026 · Form 4 insider transaction
Apostolou Stephanie L bought 9,876 shares of Koppers Holdings 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 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
9,876
Price
$0.00
Total value
N/A
InsiderApostolou Stephanie L
Role—
CompanyKoppers Holdings Inc. (KOP)
SecurityCommon Stock
Transaction codeA: Grant or award
Transaction dateJanuary 5, 2026
Filing dateJanuary 6, 2026
Shares owned after59,753
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The reporting person was awarded time-based restricted stock units ("RSUs") on January 5, 2026, which will vest in annual installments of 25 percent over four years.; Includes 828 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on March 31, 2025 and June 30, 2025. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d).