// company-profile
Corning Inc /ny
GLW// activity-summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares versus 1 sale. Buying was led by WEEKS WENDELL P.
// 90-day insight
Over the last 90 days, Corning Inc /ny insiders bought $3.1M (28 transactions) and sold $75.6M (21 transactions).
- Most active insider: Becker Stefan with 11 transactions totaling $4.4M.
- Largest single sale: $18.6M by WEEKS WENDELL P on Jun 9, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Corning Inc /ny as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 9, 2026 | WEEKS WENDELL P | GLW | Option Exercise | 100,000 | $27.03 | $2.70M |
| Jun 9, 2026 | WEEKS WENDELL P | GLW | Sale | 100,000 | $186.46 | $18.65M |
| Jun 9, 2026 | WEEKS WENDELL P | GLW | Option Exercise | 100,000 | $0.00 | $0K |
| May 22, 2026 | Amin Jaymin | GLW | Option Exercise | 7,917 | $0.00 | $0K |
| May 22, 2026 | Amin Jaymin | GLW | Option Exercise | 7,917 | $27.00 | $214K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.