InsiderTrades

Form 4 for KOP Koppers Holdings Inc.

Accepted 2026-05-11 16:07:47 ET · period of report 2026-05-07 · accession 0001190210-26-000004 · 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
D 2026-05-11 16:07 2026-05-07 KOP NEUPAVER ALBERT J Dir M - OptEx $0.00 +50 83.8K +0.1% $0
D 2026-05-11 16:07 2026-05-07 KOP NEUPAVER ALBERT J Dir M - OptEx $0.00 -50 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-07 M A 50 $0.00 83,834 D — — (F1) Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis. (F1) Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.
2 Derivative Dividend Equivalent Rights 2026-05-07 M D 50 $0.00 0 D — · — to — 50 Common Stock (F2) These DERs were released in connection with the vesting of RSUs granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. (F2) These DERs were released in connection with the vesting of RSUs granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. (F2) These DERs were released in connection with the vesting of RSUs granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. (F2) These DERs were released in connection with the vesting of RSUs granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.