John Z. Zhang
John Z. Zhang: Exec. Vice President & CCDO at Corning. What John Z. Zhang holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Corning (GLW)
John Z. Zhang holds 5,138 Corning shares (0.00% of the company), worth about $679,551.88 at the last price, according to the Form 4 of May 11, 2026.
- Shares held: 5,138 (0.00%), $679,551.88 — Held in their own name.
- Share units: 26,583 (0.00%), $3.5M — Corning promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Corning (GLW) — Form 4 of May 11, 2026 (Exec. Vice President & CCDO): open-market sale of 10,000 at $198.34; 5,138 shares after 0000024741-26-000219
- Corning (GLW) — Form 4 of May 6, 2026 (Exec. Vice President & CCDO): open-market sale of 15,000 at $184.67; 15,138 shares after 0000024741-26-000209
- Corning (GLW) — Form 4 of Apr 15, 2026 (Exec. Vice President & CCDO): option exercise or conversion of 42,687; option exercise or conversion of 18,884; 30,138 shares after 0000024741-26-000189
- Corning (GLW) — Form 4 of Apr 1, 2026 (Exec. Vice President & CCDO); 0 shares after 0000024741-26-000165
- Corning (GLW) — Form 4 of Feb 12, 2026 (Exec. Vice President & CCDO): open-market sale of 1,531 at $133.75; 0 shares after 0000024741-26-000130
- Corning (GLW) — Form 4 of Feb 9, 2026 (Exec. Vice President & CCDO): option exercise or conversion of 2,476; shares withheld for tax of 945 at $131.39; 1,531 shares after 0000024741-26-000102
- Corning (GLW) — Form 4 of Feb 4, 2026 (Exec. Vice President & CCDO) 0000024741-26-000063
- Corning (GLW) — Form 4 of Aug 12, 2025 (Exec. Vice President & CCDO): option exercise or conversion of 2,476; shares withheld for tax of 1,264 at $65.77; 0 shares after 0000024741-25-000082
- Corning (GLW) — Form 4 of May 28, 2025 (Exec. Vice President & CCDO): open-market sale of 9,610 at $49.29; 0 shares after 0001127602-25-015885
- Corning (GLW) — Form 4 of May 12, 2025 (Exec. Vice President & CCDO): open-market sale of 8,000 at $46.91; 9,610 shares after 0001127602-25-014055
- Corning (GLW) — Form 4 of Apr 15, 2025 (SVP&GM Glass Innov. & Asia): option exercise or conversion of 21,539; option exercise or conversion of 14,439; 17,610 shares after 0001127602-25-012293
- Corning (GLW) — Form 4 of Apr 1, 2025 (SVP&GM Glass Innov. & Asia); 0 shares after 0001127602-25-011409
- Corning (GLW) — Form 4 of Feb 18, 2025 (SVP&GM Glass Innov. & Asia): option exercise or conversion of 12,529 at $33.92; open-market sale of 14,111 at $52.78; 0 shares after 0001127602-25-005463
- Corning (GLW) — Form 4 of Feb 10, 2025 (SVP&GM Glass Innov. & Asia): option exercise or conversion of 2,475; shares withheld for tax of 893 at $53.05; 1,582 shares after 0001127602-25-004380
- Corning (GLW) — Form 4 of Feb 4, 2025 (SVP&GM Glass Innov. & Asia); 0 shares after 0001127602-25-003416
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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