James A. Sullivan - 16 Dec 2025 Form 4 Insider Report for Koppers Holdings Inc. (KOP)

Role
President and CTO
Signature
/s/ Stephanie L. Apostolou, Attorney in Fact
Issuer symbol
KOP
Transactions as of
16 Dec 2025
Net transactions value
$0
Form type
4
Filing time
17 Dec 2025, 18:07:43 UTC
Previous filing
07 Jan 2025
Next filing
06 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sullivan James A. President and CTO 436 SEVENTH AVENUE, PITTSBURGH /s/ Stephanie L. Apostolou, Attorney in Fact 17 Dec 2025 0001450800

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction KOP Dividend Equivalent Rights Award $0 +522 +182% $0.000000 809 16 Dec 2025 Common Stock 522 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 420 DERs accrued with respect to RSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025 and 102 DERs accrued with respect to PSUs granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.