CORNING INC /NY·4

May 6, 4:01 PM ET

Zhang John Z 4

4 · CORNING INC /NY · Filed May 6, 2026

Research Summary

AI-generated summary of this filing

Updated

Corning (GLW) Exec VP John Z. Zhang Sells 15,000 Shares

What Happened

  • John Z. Zhang, Executive Vice President & CCDO of Corning Incorporated (GLW), sold 15,000 shares in an open-market transaction on May 6, 2026. The reported weighted-average price was $184.67 per share, for total proceeds of approximately $2,769,984. This filing shows a sale (S), which is typically a disposition of existing holdings rather than a bullish purchase.

Key Details

  • Transaction date: 2026-05-06 (filed same day)
  • Transaction type/code: Open market sale (S)
  • Shares sold: 15,000
  • Price: weighted-average $184.67; trades ranged from $184.51 to $184.82 (per footnote)
  • Proceeds: ~$2,769,984
  • Shares owned after transaction: Not specified in the data provided in this summary
  • Footnote: Reporting person states the weighted-average price covers multiple trades and will supply the number of shares sold at each price upon request
  • Timeliness: Filing date equals transaction date; no indication this filing was late

Context

  • This was a straightforward open-market sale, not an option exercise, award, or gift. Sales by executives can be routine (e.g., diversification, tax planning) and do not by themselves indicate company performance; no additional information on motive is provided in the filing.

Insider Transaction Report

Form 4
Period: 2026-05-06
Zhang John Z
Exec. Vice President & CCDO
Transactions
  • Sale

    Common Stock

    [F1]
    2026-05-06$184.67/sh15,000$2,769,98415,138 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 $184.51 to $184.82, 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|2026-05-06

Documents

1 file
  • 4
    form4.xmlPrimary

    PRIMARY DOCUMENT