Skip to contentZhang John Z — CORNING INC /NY insider: 117 transactions · InsiderLensZhang John Z
- Exec. Vice President & CCDO at CORNING INC /NY · on record since Oct 9, 2020
Insider trading activity of Zhang John Z
- Transactions on record
- 117
- since Feb 5, 2021
- Open-market buys
- 0
- Open-market sells
- 18
- $10.7M
- Companies traded
- 1
- last filing May 12, 2026
Figures computed from official regulatory filings — methodology.
Companies where Zhang John Z has traded
Track record of Zhang John Z
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Zhang John Z
Co-insiders of Zhang John Z
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BLAIR DONALD WCORNING INC /NY
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 12, 2026 | Sell | -10,000 | 198.34 USD | $2M | SEC |
| May 6, 2026 | Sell | -15,000 | 184.67 USD | $2.8M | SEC |
| Apr 16, 2026 | Other | -31,433 | 168.27 USD | $5.3M | SEC |
| Apr 16, 2026 | Exercise | 18,884 | 0.00 USD | $0 | SEC |
| Apr 16, 2026 | Exercise | 42,687 | 0.00 USD | $0 | SEC |
| Apr 16, 2026 | ExerciseD | -42,687 | 0.00 USD | $0 | SEC |
| Apr 16, 2026 | ExerciseD | -18,884 | 0.00 USD | $0 | SEC |
| Apr 2, 2026 | AwardD | 9,692 | 0.00 USD | $0 | SEC |
| Feb 12, 2026 | Sell | -1,531 | 133.75 USD | $204.8K | SEC |
| Feb 11, 2026 | Other | -945 | 131.39 USD | $124.2K | SEC |
| Feb 11, 2026 | ExerciseD | -2,476 | 0.00 USD | $0 | SEC |
| Feb 11, 2026 | Exercise | 2,476 | 0.00 USD | $0 | SEC |
| Feb 6, 2026 | AwardD | 20,932 | 0.00 USD | $0 | SEC |
| Feb 6, 2026 | AwardD | 16,891 | 0.00 USD | $0 | SEC |
| Feb 6, 2026 | AwardD | 15,591 | 0.00 USD | $0 | SEC |
| Aug 12, 2025 | Exercise | 2,476 | 0.00 USD | $0 | SEC |
| Aug 12, 2025 | Sell | -1,212 | 65.53 USD | $79.4K | SEC |
| Aug 12, 2025 | Other | -1,264 | 65.77 USD | $83.1K | SEC |
| Aug 12, 2025 | ExerciseD | -2,476 | 0.00 USD | $0 | SEC |
| May 29, 2025 | Sell | -9,610 | 49.29 USD | $473.7K | SEC |
| May 13, 2025 | Sell | -8,000 | 46.91 USD | $375.3K | SEC |
| Apr 17, 2025 | Other | -18,368 | 41.78 USD | $767.4K | SEC |
| Apr 17, 2025 | Exercise | 14,439 | 0.00 USD | $0 | SEC |
| Apr 17, 2025 | ExerciseD | -14,439 | 0.00 USD | $0 | SEC |
| Apr 17, 2025 | ExerciseD | -21,539 | 0.00 USD | $0 | SEC |