CORNING INC /NY·4

Feb 27, 4:00 PM ET

WEEKS WENDELL P 4

4 · CORNING INC /NY · Filed Feb 27, 2026

Research Summary

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Corning (GLW) CEO Wendell P. Weeks Exercises Options, Sells Shares

What Happened

  • Wendell P. Weeks, Chairman, CEO & President (and Director) of Corning Incorporated, exercised stock options and immediately sold the resulting shares on Feb 26, 2026. He exercised 137,514 options at a $27.00 strike (cost $3,712,878) and sold those 137,514 shares in the open market for total proceeds of about $21,365,839 (weighted avg price $155.37). He also made a separate gift of 16,694 shares the same day. The filing shows the option conversion recorded as a derivative transaction (a technical reporting line at $0.00).

Key Details

  • Date: 2026-02-26 (Form 4 filed 2026-02-27 — timely)
  • Exercise: 137,514 shares acquired via option exercise at $27.00 strike; total exercise cost $3,712,878.
  • Sale: 137,514 shares sold, weighted-average price $155.37, total proceeds ≈ $21,365,839. (Sale prices ranged $154.45–$157.17 — reporter can provide per-trade breakdown per footnote F1.)
  • Gift: 16,694 shares were transferred as a gift (no proceeds reported).
  • Shares owned after transaction: not specified in the provided excerpt of the Form 4.
  • Footnotes: F1 = weighted-average sale price and price range; F2 = disclaims spouse beneficial ownership; F3 = some ownership represented by 401(k) unitized fund as of Jan 31, 2026; F4 = options vested 100% after three years from grant.
  • Timeliness: Filing was submitted the next day (no late filing indicated).

Context

  • This was a cashless-style transaction: options were exercised and the acquired shares were sold immediately, which is common for executives to cover exercise costs and taxes. The separate gift of 16,694 shares should not be interpreted as a market sentiment indicator. The F4 note indicates the options had fully vested.

Insider Transaction Report

Form 4
Period: 2026-02-26
WEEKS WENDELL P
DirectorChairman, CEO and President
Transactions
  • Exercise/Conversion

    Common Stock

    2026-02-26$27.00/sh+137,514$3,712,878888,099 total
  • Sale

    Common Stock

    [F1]
    2026-02-26$155.37/sh137,514$21,365,839750,585 total
  • Gift

    Common Stock

    2026-02-2616,694733,891 total
  • Exercise/Conversion

    Stock Options (Right to Buy)

    [F4]
    2026-02-26137,5140 total
    Exercise: $27.00From: 2020-03-31Exp: 2027-03-31Common Stock (137,514 underlying)
Holdings
  • Common Stock

    [F2]
    (indirect: By Spouse)
    9,200
  • Common Stock

    [F3][F2]
    (indirect: By Spouse)
    7,120.543
  • Common Stock

    [F3]
    (indirect: By Trust)
    11,737.587
Footnotes (4)
  • [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.45 to $157.17, 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.
  • [F2]The reporting person disclaims beneficial ownership of all securities held by spouse.
  • [F3]Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of January 31, 2026.
  • [F4]The options vested 100% at the end of three years from grant date.
Signature
Melissa J. Gambol, Power of Attorney|2026-02-27

Documents

1 file
  • 4
    form4.xmlPrimary

    PRIMARY DOCUMENT