SEC Form 4 · accession 0001229771-26-000018
Koppers Holdings Inc. · KOP
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
M Leroy Ball
Officer — CEO · Director
Period of report
Aug 19, 2026
Accepted (ET)
Aug 20, 2026 · 4:08 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001315257
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 19, 2026 | S | 3,000 | $45.84 | D | 433,555 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Includes 312 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on June 30, 2026. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d).