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Koppers

Koppers (NYSE: KOP) insider transactions

In the twelve months to 10 November 2026, executives and directors of Koppers reported 14 open-market sales of 116,784 shares ($5.6m) and 0 open-market purchases, by 4 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Koppers shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
31 August 2026Ball M LeroyCEOOpen-market sale−4,000$45.96429,555Form 4
31 August 2026Ball M LeroyCEOGift−200—429,355Form 4
19 August 2026Ball M LeroyCEOOpen-market sale−3,000$45.84433,555Form 4
12 August 2026Lucas Stephen GSVP, Culture and EngagementOpen-market sale−1,308$44.5534,345Form 4
11 August 2026Sullivan James A.President and CTOOpen-market sale−7,500$50.0082,898Form 4
10 August 2026Pearce Bradley ACAOOpen-market sale−2,000$51.0141,037Form 4
7 August 2026Sullivan James A.President and CTOOpen-market sale−79,900$50.0190,498Form 4
7 August 2026Sullivan James A.President and CTOOpen-market sale−100$51.2290,398Form 4
18 June 2026Ball M LeroyCEOOpen-market sale−3,412$43.90436,243Form 4
11 June 2026Ball M LeroyCEOOpen-market sale−4,141$41.34439,955Form 4
11 June 2026Ball M LeroyCEOGift−300—439,655Form 4
3 June 2026Feng XudongDirectorGift−5,695—26,489Form 4
26 May 2026Brenner Eric D.CFO and TreasurerGrant or award+6,620—6,620Form 4
13 May 2026Ball M LeroyCEOOpen-market sale−2,659$42.55444,096Form 4
12 May 2026Pearce Bradley AInterim CFO and CAOGrant or award+5,000—43,037Form 4
7 May 2026Neupaver Albert JDirectorOption exercise+50—83,834Form 4
7 May 2026Feng XudongDirectorGrant or award+3,280—32,184Form 4
7 May 2026Jensen Traci LDirectorOption exercise+50—32,059Form 4
7 May 2026Jensen Traci LDirectorGrant or award+3,280—35,339Form 4
7 May 2026Vartanian Nishan J.DirectorOption exercise+50—7,384Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Koppers page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.