Latest filing published 12 Aug 2026 for Koppers Holdings Inc., €325k. Read the official filing
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
James A. Sullivan, listed as chief executive, appears in our data through filings on Koppers Holdings Inc. shares, published by SEC (Form 4). In total, 24 filings cover trades dated from 22 January 2016 to 11 August 2026.
No open-market purchase appears, only 3 sales worth €3.8M. The rest of the record consists of 10 share grants and 11 option exercises. In 2026 alone, the filings show no purchases and 3 sales.
On 12 August 2026 came the latest disclosure, an open-market sale for €325k in Koppers Holdings Inc. The median gap between a trade and its publication by SEC (Form 4) is 3 days. Section 16 rules allow two business days to file each Form 4. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
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24 of 24 declarations