InsiderTrades

Form 4 for KOP Koppers Holdings Inc.

Accepted 2026-03-02 00:00:00 ET · period of report 2026-02-26 · accession 0001229771-26-000004 · 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 2026-03-02 2026-02-26 KOP BALL M LEROY CEO, Dir A - Grant $0.00 +50.0K 477.6K +12% $0
D 2026-03-02 2026-02-26 KOP BALL M LEROY CEO, Dir M - OptEx $0.00 +1,215 478.8K +0.3% $0
D 2026-03-02 2026-02-26 KOP BALL M LEROY CEO, Dir F - Tax $37.24 -22.2K 456.5K -5% -$828.1K
D 2026-03-02 2026-02-26 KOP BALL M LEROY CEO, Dir A - Grant $0.00 +1,215 1,669 +268% $0
D 2026-03-02 2026-02-26 KOP BALL M LEROY CEO, Dir M - OptEx $0.00 -1,215 454 -73% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-26 A A 50,025 $0.00 477,569.40 D — — (F1) On January 4, 2023, the reporting person was granted performance share units ("PSUs") for which the performance criteria for the measurement period from January 1, 2023 through December 31, 2025 have been satisfied.
2 Common Common Stock 2026-02-26 M A 1,215 $0.00 478,784.40 D — — (F2) Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.
3 Common Common Stock 2026-02-26 F D 22,236 $37.24 456,548.40 D — — (F3) Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of PSUs.
4 Derivative Dividend Equivalent Rights 2026-02-26 A A 1,215 $0.00 1,669 D — · — to — 1,215 Common Stock (F4) The DERs accrued with respect to additional PSUs credited to the reporting person with respect to PSUs granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.
5 Derivative Dividend Equivalent Rights 2026-02-26 M D 1,215 $0.00 454 D — · — to — 1,215 Common Stock (F5) These DERs were released in connection with the vesting of PSUs granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.