Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Albert J. Neupaver 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.
- Rafael Santana - $22.47M of WAB open-market activity in the last 12 months
- James A. Sullivan - $4.38M of KOP open-market activity in the last 12 months
- David L. Deninno - $4.11M of WAB open-market activity in the last 12 months
- John A. Olin - $2.90M of WAB open-market activity in the last 12 months
- Rogerio Mendonca - $2.22M of WAB open-market activity in the last 12 months
- Eric Gebhardt - $2.12M of WAB 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 Albert J. Neupaver?
Albert J. Neupaver is a corporate insider, tracked as Director of Koppers Holdings Inc. (KOP). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Albert J. Neupaver last file a Form 4?
The most recent primary Form 4 on record is dated 11 May 2026, one of 7 filings going back to 2024.
Has Albert J. Neupaver been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($8.76M) across all tracked filings.
Where can I see all of Albert J. Neupaver'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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