Koppers Holdings Inc. planned insider sales
In the twelve months since 11 October 2025 insiders at Koppers Holdings Inc. filed 5 Form 144 notices of planned sales, 93,320 shares worth $4.6 million at the time of filing, from 4 sellers. The latest, filed 12 August 2026: Lucas Stephen G (officer), 1,308 shares worth $58,275, planned for around 12 August 2026 through Fidelity Brokerage Services LLC.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 12 August 2026 | Lucas Stephen G | Officer | 1,308 | $58,275 | 12 August 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 11 August 2026 | Sullivan James A. | Officer | 7,500 | $375,000 | 11 August 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 10 August 2026 | Pearce Bradley A | Officer | 2,000 | $102,020 | 10 August 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 7 August 2026 | Sullivan James A. | Officer | 80,000 | $4.0 million | 7 August 2026 | Fidelity Brokerage Services LLC | ESPP Purchase; Restricted Stock Vesting; Stock Option Exercise | Form 144 |
| 2 March 2026 | Ball M Leroy | Officer, Director | 2,512 | $92,068 | 2 March 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
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Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.Source
Form 144 filings on EDGAR for Koppers Holdings Inc.: the company's filing index, each notice read from its own XML.
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