InsiderTrades

Form 4 for KOP Koppers Holdings Inc.

Accepted 2026-08-12 18:29:38 ET · period of report 2026-08-11 · accession 0001450800-26-000006 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-08-12 18:29 2026-08-11 KOP Sullivan James A. Pres, CTO S - Sale $50.00 -7,500 82.9K -8% -$375.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-11 S D 7,500 $50.00 82,897.74 D — —