Corning (NYSE: GLW) EVP Zhang exercises RSUs, withholds 945 shares for tax

Rhea-AI Filing Summary

Corning Inc. executive John Z. Zhang, Exec. Vice President & CCDO, reported equity award activity in Corning common stock. On February 9, 2026, he exercised 2,476 restricted stock units, receiving the same number of common shares at an exercise price of $0 per share.

To cover tax obligations tied to this equity event, 945 common shares were disposed of at $131.39 per share, leaving 1,531 common shares directly owned afterward. Zhang continues to hold significant unvested RSUs: 18,884 units vesting April 15, 2026, 22,498 units vesting April 15, 2027, and 24,374 units vesting April 14, 2028, plus a 2023 RSU grant vesting in stages over three years.

Insider Trade Summary

2,476 shares exercised/converted

Mixed 6 txns

Insider Zhang John Z

Role Exec. Vice President & CCDO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	2,476	$0.00	--
Exercise	Common Stock	2,476	$0.00	--
Tax Withholding	Common Stock	945	$131.39	$124K
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--

Holdings After Transaction: Restricted Stock Unit — 0 shares (Direct); Common Stock — 2,476 shares (Direct)

Footnotes (1)

1. Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the 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

OMB Number:			3235-0287
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hours per response:			0.5

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^*

Zhang John Z

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Exec. Vice President & CCDO

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		2,476	A	$0	2,476	D
Common Stock	02/09/2026		F		945	D	$131.39	1,531	D

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
Restricted Stock Unit	(1)							(2)	(2)	Common Stock	18,884		18,884	D
Restricted Stock Unit	(1)							(3)	(3)	Common Stock	22,498		22,498	D
Restricted Stock Unit	(1)							(4)	(4)	Common Stock	24,374		24,374	D
Restricted Stock Unit	(1)	02/09/2026		M			2,476	(5)	(5)	Common Stock	2,476	$0	0	D

Explanation of Responses:

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

2. The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

3. The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

4. The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

5. The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the 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) executive John Z. Zhang report?

John Z. Zhang reported exercising 2,476 restricted stock units for Corning common stock at $0 per share. To satisfy tax obligations, 945 common shares were disposed of at $131.39 per share, leaving him with 1,531 directly owned common shares after the reported transactions.

How many Corning (GLW) shares did John Z. Zhang dispose of for taxes?

Zhang disposed of 945 Corning common shares at $131.39 per share in a tax-withholding transaction. This was coded as “F,” meaning shares were delivered to pay tax liabilities related to his equity awards rather than sold in an open-market trading decision.

How many Corning (GLW) common shares does John Z. Zhang own after the Form 4?

Following the reported transactions, Zhang directly owns 1,531 Corning common shares. This figure reflects the 2,476 shares received from restricted stock unit conversion, reduced by 945 shares withheld and delivered to cover associated tax obligations on February 9, 2026.

What restricted stock units does Corning (GLW) executive John Z. Zhang still hold?

Zhang holds 18,884 RSUs vesting April 15, 2026, 22,498 RSUs vesting April 15, 2027, and 24,374 RSUs vesting April 14, 2028. Each unit represents a right to receive one Corning common share upon vesting, subject to retirement, death, disability, or similar provisions.

How do John Z. Zhang’s Corning (GLW) RSUs vest over time?

Three RSU awards vest 100% on April 15, 2026, April 15, 2027, and April 14, 2028, respectively. A separate RSU grant from February 8, 2023 vests one-third after one year, then one-sixth every six months until fully vested on its third anniversary.

Were John Z. Zhang’s Corning (GLW) transactions open-market buys or sells?

The filing shows a derivative exercise and tax withholding, not open-market trades. Zhang exercised 2,476 RSUs into common stock at $0, then 945 shares were delivered at $131.39 to cover tax liabilities, consistent with transaction codes M (exercise) and F (tax withholding).