Summary
Updated Aug 31, 2026
Thomas D. French is Director of CORNING INC /NY (GLW). 1 SEC Form 4 filing on record, dated 12 February 2026.
Trading Pattern
InsiderAlpha's records for Thomas D. French go back to 2026: 1 primary Form 4 filing, an average of 1.0 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 Thomas D. French 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 Thomas D. French?
Thomas D. French is a corporate insider, tracked as Director of CORNING INC /NY (GLW). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Thomas D. French last file a Form 4?
The only primary Form 4 on record is dated 12 February 2026.
Where can I see all of Thomas D. French'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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