Summary
Updated Aug 31, 2026
Leslie A. Brun is Director of CORNING INC /NY (GLW). 2 SEC Form 4 filings on record going back to 2024, most recently on 12 February 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Leslie A. Brun has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Leslie A. Brun go back to 2024: 2 primary Form 4 filings, an average of 0.7 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 Leslie A. Brun 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.
- Wendell P. Weeks - $40.01M of GLW open-market activity in the last 12 months
- Eric S. Musser - $15.13M of GLW open-market activity in the last 12 months
- Lewis A. Steverson - $9.50M of GLW open-market activity in the last 12 months
- Edward A. Schlesinger - $8.31M of GLW open-market activity in the last 12 months
- Jaymin Amin - $6.63M of GLW open-market activity in the last 12 months
- Stefan Becker - $5.05M of GLW 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 Leslie A. Brun?
Leslie A. Brun is a corporate insider, tracked as Director of CORNING INC /NY (GLW). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Leslie A. Brun last file a Form 4?
The most recent primary Form 4 on record is dated 12 February 2026, one of 2 filings going back to 2024.
Where can I see all of Leslie A. Brun'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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