Stephanie L Apostolou
Chief Legal&Sus Officer & Sec. · 1 filing · Latest: Feb 26, 2026
Koppers Holdings Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
KOP | Stephanie L Apostolou | Chief Legal&Sus Officer & Sec. | Feb 26, 2026 | Option Exercise | $0.00 | 174 | — | 66,299 |