Corning (GLW) CEO Wendell Weeks converts PSUs, withholds 2,927 shares for tax

Rhea-AI Filing Summary

Corning Inc. Chairman, CEO and President Wendell P. Weeks reported equity compensation activity on common stock and performance share units. On February 9, 2026, he acquired 5,733 shares of common stock at $0 per share through the exercise and conversion of performance share units, then disposed of 2,927 shares at $131.39 per share to satisfy tax withholding obligations. Following these transactions, he held 750,585 common shares directly, plus indirect interests through his spouse and employee benefit plans. He also reported direct holdings of performance share units tied to Corning common stock totaling 235,610, 178,486, and 60,106 units, which vest and convert to stock on service-based schedules extending to April 2028.

Insider Trade Summary

5,733 shares exercised/converted

Mixed 9 txns

Insider WEEKS WENDELL P

Role Chairman, CEO and President

Type	Security	Shares	Price	Value
Exercise	Performance Share Unit	5,733	$0.00	--
Exercise	Common Stock	5,733	$0.00	--
Tax Withholding	Common Stock	2,927	$131.39	$385K
holding	Performance Share Unit	--	--	--
holding	Performance Share Unit	--	--	--
holding	Performance Share Unit	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Performance Share Unit — 0 shares (Direct); Common Stock — 753,512 shares (Direct); Common Stock — 9,200 shares (Indirect, Held by Spouse)

Footnotes (1)

1. The reporting person disclaims beneficial ownership of all securities held by spouse. Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of January 31, 2026. Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement. The performance share units (PSUs) earned February 7, 2024 will vest 1/3 after 1 year from the February 8, 2023 grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

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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)
02/09/2026

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	02/09/2026		M		5,733	A	$0	753,512	D
Common Stock	02/09/2026		F		2,927	D	$131.39	750,585	D
Common Stock								9,200	I	Held by Spouse(1)
Common Stock								7,120.5432(2)	I	Held By Spouse - Emp. Ben. Plan(1)
Common Stock								11,737.587(2)	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
Performance Share Unit	(3)							(4)	(4)	Common Stock	235,610		235,610	D
Performance Share Unit	(3)							(5)	(5)	Common Stock	178,486		178,486	D
Performance Share Unit	(3)							(6)	(6)	Common Stock	60,106		60,106	D
Performance Share Unit	(3)	02/09/2026		M			5,733	(7)	(7)	Common Stock	5,733	$0	0	D

Explanation of Responses:

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

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

3. Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

4. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

5. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

6. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.

7. The performance share units (PSUs) earned February 7, 2024 will vest 1/3 after 1 year from the February 8, 2023 grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

	Melissa J. Gambol, Power of Attorney	02/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did Corning (GLW) CEO Wendell P. Weeks report?

Wendell P. Weeks reported exercising performance share units into 5,733 Corning common shares at $0, then disposing of 2,927 shares at $131.39 for tax withholding. After these transactions, he directly held 750,585 common shares, plus additional indirect holdings through spouse and benefit plans.

How many Corning (GLW) shares does Wendell P. Weeks own directly after this Form 4?

After the reported transactions, Wendell P. Weeks directly owned 750,585 shares of Corning common stock. This reflects acquiring 5,733 shares through a performance share unit conversion and disposing of 2,927 shares to cover tax obligations, as disclosed in the filing’s non-derivative securities table.

What performance share unit (PSU) holdings did Corning (GLW) disclose for its CEO?

The filing shows Wendell P. Weeks directly holding performance share units tied to 235,610, 178,486, and 60,106 shares of Corning common stock. These PSUs represent contingent rights to receive shares and are subject to service-based vesting, with some remaining restricted until April 2026, 2027, and April 14, 2028.

How were Corning (GLW) shares used to satisfy Wendell P. Weeks’ tax obligations?

The Form 4 reports a transaction coded “F,” where 2,927 Corning common shares were disposed of at $131.39 per share. This transaction represents payment of tax liability by delivering securities, rather than an open-market sale, reducing the CEO’s directly held share count accordingly.

What indirect Corning (GLW) share holdings related to Wendell P. Weeks are disclosed?

The filing lists 9,200 Corning shares held by his spouse, 7,120.5432 shares through a spouse employee benefit plan, and 11,737.587 shares as trustee under an employee benefit plan. The footnotes state Weeks disclaims beneficial ownership of all securities held by his spouse.

When do Wendell P. Weeks’ Corning (GLW) performance share units vest?

Earned performance share units remain restricted until April 15, 2026 and April 15, 2027, and until April 14, 2028, when they vest and convert into common stock. Vesting is subject to service-based requirements, including a schedule where PSUs earned February 7, 2024 vest over three years.