Zhang John Z 4
4 · CORNING INC /NY · Filed May 12, 2026
Research Summary
AI-generated summary of this filing
Corning (GLW) Exec VP John Z. Zhang Sells 10,000 Shares
What Happened
- John Z. Zhang, Executive Vice President and Chief Commercial & Digital Officer (CCDO) of Corning Incorporated (GLW), sold 10,000 shares in an open-market transaction on May 11, 2026. The weighted-average price was $198.34, for a total proceeds value of approximately $1,983,383. This was a sale (not a purchase or option exercise).
Key Details
- Transaction date: May 11, 2026; Form 4 filed May 12, 2026 (timely).
- Shares sold: 10,000 at a weighted-average price of $198.34; total ≈ $1,983,383.
- Price range: per footnote, individual trades occurred between $198.00 and $198.85; the reporting person can provide a per-trade breakdown on request (Footnote F1).
- Shares owned after transaction: not specified in the provided filing summary.
- No 10b5‑1 plan, option exercise, gift, or tax-withholding notation was indicated in the excerpt.
Context
- Open-market sales by executives are common for liquidity or portfolio reasons and do not by themselves signal company performance. Purchases generally attract more attention from investors; this filing documents a routine sale of existing shares rather than a derivative transaction.
Insider Transaction Report
Form 4
Zhang John Z
Exec. Vice President & CCDO
Transactions
- Sale
Common Stock
[F1]2026-05-11$198.34/sh−10,000$1,983,383→ 5,138 total
Footnotes (1)
- [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.85, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote.
Signature
Melissa J. Gambol, Power of Attorney|2026-05-12