Key facts
- This page summarizes M. Leroy Ball's Form 4 filing for Koppers Holdings Inc. (KOP).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 23 Jun 2026, 18:27.
M. Leroy Ball - 18 Jun 2026 Form 4 Insider Report for Koppers Holdings Inc. (KOP)
- Reporting relationship
- CEO, Director
- Issuer ticker
- KOP
- Reported as of
- 18 Jun 2026
- Net transaction value
- -$149,787
- SEC form
- 4
- Accepted by SEC
- 23 Jun 2026, 18:27:58 UTC
- Prior SEC filing
- 15 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Stephanie L. Apostolou, Attorney in Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
M. Leroy Ball filed Form 4 for Koppers Holdings Inc. (KOP) on 23 Jun 2026.
Change
- Previous filing in this sequence was filed on 15 Jun 2026.
- Current net transaction value: -$149,787.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001229771
Primary reporting owner
BALL M LEROY
- Relationship
- CEO, Director
- Address
- 436 SEVENTH AVENUE, PITTSBURGH
- Signature
- /s/ Stephanie L. Apostolou, Attorney in Fact
- Signature date
- 23 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KOP
transaction
Common Stock
Sale
- Transaction value
- $149,787
- Shares
- -3,412
- Change %
- -0.78%
- Price
- $43.90
- Shares after
- 436,243
- Date
- 18 Jun 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.