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Insider ActivityKOP

Sullivan James A., President and CTO at Koppers Holdings Inc., sold $4.0M of KOP

Last updated Aug 12, 2026

This page documents an SEC Form 4 insider trading disclosure for $KOP securities filed with the Securities and Exchange Commission. Section 16 of the Securities Exchange Act of 1934 mandates that corporate officers, directors, and beneficial owners of more than 10% of a company's registered equity securities must report their personal trades within two business days of execution. Insider transactions are closely monitored by market participants because insiders possess firsthand knowledge of company operations, financial condition, and near-term prospects. The transaction details below are drawn directly from the SEC EDGAR filing database and reflect the information as reported.

Sullivan James A. President and CTO
Koppers Holdings Inc. · $KOP
$4.0M Total Value
79,900 Shares Traded
$50.01 Price / Share
90,497 Shares Owned After
2026-08-11 Filing Date

Transaction Details

InsiderSullivan James A.
TitlePresident and CTO
CompanyKoppers Holdings Inc.
TickerKOP
Transaction TypeSale
Transaction Date2026-08-07
Shares Traded79,900
Price Per Share$50.01
Total Value$4.0M
Filed Date2026-08-11
Accession Number0001315257-26-000050

Ownership Context

Shares Owned After Transaction90,497
Ownership TypeDirect

SEC Filing

↗ View Original SEC Filing

Accession: 0001315257-26-000050

Other Insider Trades — KOP

Other Trades by Sullivan James A.

Full Ticker Profile

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Whisper Score — KOP

50.0
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.

Last updated: August 12, 2026 at 07:00 UTC

Not Financial Advice: This article is for informational and educational purposes only and does not constitute financial advice, investment advice, or a recommendation to buy or sell any security. StonkWhisper aggregates publicly available data from verified regulatory filings and proprietary analysis pipelines. All investment decisions are made solely at your own risk. Guerilla Finance LLC is not a registered investment advisor or broker-dealer. Always consult a qualified financial professional before making investment decisions.

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