Louis L Testoni insider trades
Open-market stock purchases and sales by Louis L Testoni, Unknown at Koppers Holdings Inc, from SEC Form 4 filings since May 9, 2013.
Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +87%.
Recent trades
No open-market trades in the last 12 months.
Companies traded
- KOP Koppers Holdings Inc: 1 buy, last May 2, 2025