Updated Jul 16, 2026
Becker Stefan has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $5.12M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-14 | GLW | CORNING INC /NY | G — Bona-fide gift | 126 | $0.00 | |
| 2026-05-08 | GLW | CORNING INC /NY | S — Open-market sale | 21.0K | $188.08 | $3.95M |
| 2026-05-01 | GLW | CORNING INC /NY | F — Tax withholding / forfeiture | 2.8K | $151.90 | $425K |
| 2026-05-01 | GLW | CORNING INC /NY | M — Option exercise | 429 | $0.00 | |
| 2026-05-01 | GLW | CORNING INC /NY | M — Option exercise | 1.1K | $0.00 | |
| 2026-05-01 | GLW | CORNING INC /NY | M — Option exercise | 619 | $0.00 | |
| 2026-05-01 | GLW | CORNING INC /NY | M — Option exercise | 674 | $0.00 | |
| 2026-04-16 | GLW | CORNING INC /NY | F — Tax withholding / forfeiture | 22.9K | $168.27 | $3.85M |
| 2026-04-16 | GLW | CORNING INC /NY | M — Option exercise | 13.7K | $0.00 | |
| 2026-04-16 | GLW | CORNING INC /NY | M — Option exercise | 31.0K | $0.00 | |
| 2026-02-11 | GLW | CORNING INC /NY | F — Tax withholding / forfeiture | 815 | $131.39 | $107K |
| 2026-02-11 | GLW | CORNING INC /NY | M — Option exercise | 2.1K | $0.00 | |
| 2025-08-08 | GLW | CORNING INC /NY | F — Tax withholding / forfeiture | 1.1K | $65.77 | $71K |
| 2025-08-08 | GLW | CORNING INC /NY | M — Option exercise | 2.1K | $0.00 | |
| 2024-11-01 | GLW | CORNING INC /NY | S — Open-market sale | 24.1K | $48.62 | $1.17M |
| 2024-11-01 | GLW | CORNING INC /NY | M — Option exercise | 4.2K | $19.65 | $83K |
| 2024-11-01 | GLW | CORNING INC /NY | M — Option exercise | 8.8K | $33.92 | $300K |
Becker Stefan is a corporate insider — currently tracked as SVP, Finance & Corp Controller of CORNING INC /NY (GLW). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($5.12M) across all tracked 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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