WILKERSON SONJA MICHELLE bought KOP

June 15, 2026 · Form 4 insider transaction

WILKERSON SONJA MICHELLE bought 30.347 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 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
30.347
Price
$0.00
Total value
N/A
Role
SecurityDividend Equivalent Rights
Transaction codeA: Grant or award
Transaction dateJune 15, 2026
Filing dateJune 17, 2026
Shares owned after356
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The dividend equivalent rights ("DERs") accrued with respect to additional time-based restricted stock units ("RSUs") credited to the reporting person with respect to deferred compensation. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.; Once released, the RSUs corresponding to these DERs will become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

View the original Form 4 on SEC EDGAR