Wendell P. Weeks - 26 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role
Chairman, CEO and President, Director
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
26 Feb 2026
Net transactions value
-$17,652,961
Form type
4
Filing time
27 Feb 2026, 16:00:31 UTC
Previous filing
18 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WEEKS WENDELL P Chairman, CEO and President, Director ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 27 Feb 2026 0001206158

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $3,712,878 +137,514 +18% $27.00 888,099 26 Feb 2026 Direct
transaction GLW Common Stock Sale $21,365,839 -137,514 -15% $155.37 750,585 26 Feb 2026 Direct F1
transaction GLW Common Stock Gift $0 -16,694 -2.2% $0.000000 733,891 26 Feb 2026 Direct
holding GLW Common Stock 9,200 26 Feb 2026 Held by Spouse F2
holding GLW Common Stock 7,121 26 Feb 2026 Held By Spouse - Emp. Ben. Plan F2, F3
holding GLW Common Stock 11,738 26 Feb 2026 Trustee U/employee Benefit Plan F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GLW Stock Options (Right to Buy) Options Exercise $0 -137,514 -100% $0.000000 0 26 Feb 2026 Common Stock 137,514 $27.00 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.