Summary
Updated Aug 31, 2026
M. Leroy Ball is CEO, Director of Koppers Holdings Inc. (KOP). 20 SEC Form 4 filings on record going back to 2024, most recently on 20 August 2026. Most recent open-market trade: sold $138K of KOP on 20 August 2026. Lifetime open-market sales: $1.95M.
Recent Transactions
20Every recent SEC Form 4 transaction M. Leroy Ball has reported, most recent first.
Trading Pattern
InsiderAlpha's records for M. Leroy Ball go back to 2024: 20 primary Form 4 filings, an average of 6.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies M. Leroy Ball files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- James A. Sullivan - $4.38M of KOP open-market activity in the last 12 months
- Bradley A. Pearce - $102K of KOP open-market activity in the last 12 months
- Stephen G. Lucas - $58K of KOP open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is M. Leroy Ball?
M. Leroy Ball is a corporate insider, tracked as CEO, Director of Koppers Holdings Inc. (KOP). InsiderAlpha holds 20 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has M. Leroy Ball submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has M. Leroy Ball been buying or selling stock?
Recorded transactions: 0 open-market purchases and 17 open-market sales ($1.95M) across all tracked filings.
Where can I see all of M. Leroy Ball's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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