InsiderTrades

Form 4 for KOP Koppers Holdings Inc.

Accepted 2026-05-11 16:19:18 ET · period of report 2026-05-07 · accession 0001584601-26-000008 · 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 16:19 2026-05-07 KOP MOTLEY DAVID L Dir M - OptEx $0.00 +50 22.0K +0.2% $0
D 2026-05-11 16:19 2026-05-07 KOP MOTLEY DAVID L Dir M - OptEx $0.00 -50 275.50 -15% $0
D 2026-05-11 16:19 2026-05-07 KOP MOTLEY DAVID L Dir A - Grant $0.00 +3,280 13.2K +33% $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 22,044 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 $0.00 275.50 D — · — to — 50 Common Stock (F2) These DERs were released in connection with the vesting of Restricted Stock Units (" 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 Restricted Stock Units (" 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 Restricted Stock Units (" 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 Restricted Stock Units (" RSUs") granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.
3 Derivative Restricted Stock Units 2026-05-07 A A 3,280 $0.00 13,198 D — · — to — 3,280 Common Stock (F3) RSUs represent the right to receive shares of common stock on a one-for-one basis. (F4) The RSUs become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person. (F4) The RSUs become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.