Corning (NYSE: GLW) CEO sells shares after major option exercise

Rhea-AI Filing Summary

Corning Chairman, CEO and President Wendell P. Weeks exercised stock options for 137,514 shares and immediately converted them into common stock at $27.00 per share. He then sold 137,514 common shares in open-market transactions at a weighted average price of $155.3721 per share, with individual trades between $154.45 and $157.17. After these moves and a bona fide gift of 16,694 shares, his direct common stock holdings stood at 733,891 shares. Additional indirect holdings include shares held by his spouse, for which he disclaims beneficial ownership, and units in a Corning stock fund through a 401(k) plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

WEEKS WENDELL P

(Last) (First) (Middle)

ONE RIVERFRONT PLAZA

(Street)

CORNING NY 14831

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CORNING INC /NY [ GLW ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, CEO and President

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/26/2026		M		137,514	A	$27	888,099	D
Common Stock	02/26/2026		S		137,514	D	$155.3721(1)	750,585	D
Common Stock	02/26/2026		G		16,694	D	$0	733,891	D
Common Stock								9,200	I	Held by Spouse(2)
Common Stock								7,120.5432(3)	I	Held By Spouse - Emp. Ben. Plan(2)
Common Stock								11,737.587(3)	I	Trustee U/employee Benefit Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to Buy)	$27	02/26/2026		M			137,514	03/31/2020(4)	03/31/2027	Common Stock	137,514	$0	0	D

Explanation of Responses:

1. 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.

2. The reporting person disclaims beneficial ownership of all securities held by spouse.

3. Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of January 31, 2026.

4. The options vested 100% at the end of three years from grant date.

	Melissa J. Gambol, Power of Attorney	02/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Corning (GLW) CEO Wendell Weeks do in this Form 4 filing?

Wendell Weeks exercised stock options into 137,514 Corning shares, then sold 137,514 shares in open-market trades and made a bona fide gift of 16,694 shares, updating his direct and indirect ownership positions.

How many Corning (GLW) shares did the CEO sell and at what price?

He sold 137,514 Corning common shares in open-market transactions at a weighted average price of $155.3721 per share, with individual trades executed between $154.45 and $157.17, as detailed in the filing footnotes.

How many Corning (GLW) shares did Wendell Weeks acquire through option exercise?

He exercised stock options covering 137,514 shares of Corning common stock at an exercise price of $27.00 per share, converting derivative securities into directly held common stock before subsequently selling the same number of shares.

What is Wendell Weeks’ direct Corning (GLW) share ownership after these transactions?

Following the option exercise, share sale, and a bona fide gift of 16,694 shares, Wendell Weeks held 733,891 Corning common shares directly, according to the updated ownership figures reported in the Form 4 filing.

How are Wendell Weeks’ spouse-held Corning (GLW) shares treated in this filing?

The filing shows indirect holdings held by his spouse, but explicitly states that the reporting person disclaims beneficial ownership of all securities held by the spouse, clarifying his reported economic and voting interest in those shares.

What retirement plan holdings of Corning (GLW) stock does the CEO report?

The CEO reports indirect ownership represented by units in a unitized Corning stock fund through the issuer’s 401(k) retirement plan, with the filing noting that these units reflect plan holdings as of January 31, 2026.