David L. Motley - 15 Jun 2026 Form 4 Insider Report for Koppers Holdings Inc. (KOP)

Reporting relationship: Director
Issuer ticker: KOP
Reported as of: 15 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Jun 2026, 16:05:38 UTC
Prior SEC filing: 11 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Stephanie L. Apostolou, Attorney in Fact

Key filing fact

David L. Motley filed Form 4 for Koppers Holdings Inc. (KOP) on 17 Jun 2026.

Key facts

This page summarizes David L. Motley's Form 4 filing for Koppers Holdings Inc. (KOP).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 17 Jun 2026, 16:05.

Change

Previous filing in this sequence was filed on 11 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001584601 Primary reporting owner

MOTLEY DAVID L

Relationship: Director
Address: 436 SEVENTH AVENUE, PITTSBURGH
Signature: /s/ Stephanie L. Apostolou, Attorney in Fact
Signature date: 17 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

KOP transaction Derivative

Dividend Equivalent Rights

Award

Transaction value
Shares: +21
Change %: +7.5%
Price: $0.000000^*
Shares after: 296
Date: 15 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The dividend equivalent rights ("DERs") accrued with respect to additional 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.

Footnote F2

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.