Summary
Updated Aug 31, 2026
Michaune D. Tillman is SVP and General Counsel of CORNING INC /NY (GLW). 4 SEC Form 4 filings on record, most recently on 12 May 2026. Most recent open-market trade: sold $675K of GLW on 12 May 2026. Lifetime open-market sales: $675K.
Recent Transactions
2Every recent SEC Form 4 transaction Michaune D. Tillman has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michaune D. Tillman go back to 2026: 4 primary Form 4 filings, an average of 4.0 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 Michaune D. Tillman 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 Michaune D. Tillman?
Michaune D. Tillman is a corporate insider, tracked as SVP and General Counsel of CORNING INC /NY (GLW). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Michaune D. Tillman last file a Form 4?
The most recent primary Form 4 on record is dated 12 May 2026, one of 4 filings going back to 2026.
Has Michaune D. Tillman been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($675K) across all tracked filings.
Where can I see all of Michaune D. Tillman'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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