InsiderTrades

Form 4 for KOP Koppers Holdings Inc.

Accepted 2026-06-23 18:27:58 ET · period of report 2026-06-18 · accession 0001229771-26-000016 · 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
2026-06-23 18:27 2026-06-18 KOP BALL M LEROY CEO, Dir S - Sale $43.90 -3,412 436.2K -0.8% -$149.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-18 S D 3,412 $43.90 436,243.40 D — —