Stephanie L. Apostolou
Chief Legal&Sus Officer & Sec. · Koppers Holdings Inc.
Individual
- 2024
- Mar 2, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephanie L. Apostolou 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 in KOP purchases and sales in the last 12 months
- M. Leroy Ball - $1.08M in KOP purchases and sales in the last 12 months
- Bradley A. Pearce - $102K in KOP purchases and sales in the last 12 months
- Stephen G. Lucas - $58K in KOP purchases and sales in the last 12 months
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Frequently asked questions
Who is Stephanie L. Apostolou?
Stephanie L. Apostolou is a corporate insider, tracked as Chief Legal&Sus Officer & Sec. of Koppers Holdings Inc. (KOP). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Stephanie L. Apostolou last file a Form 4?
The most recent primary Form 4 on record is dated 2 March 2026, one of 2 filings going back to 2024.
