Corning (NYSE: GLW) EVP Zhang earns performance share units for 2025

Rhea-AI Filing Summary

Corning Incorporated executive John Z. Zhang reported new performance-based equity awards. On February 4, 2026, he acquired 16,891, 15,591, and 20,932 performance share units (PSUs), each representing a contingent right to one share of Corning common stock, at a price of $0.

The PSUs were earned after the Compensation Committee determined that performance criteria for fiscal year 2025 were satisfied under the 2025, 2024, and 2023 agreements. These earned PSUs remain restricted and are scheduled to vest and convert to common stock on April 14, 2028, April 15, 2027, and April 15, 2026, respectively, subject to continued service-based vesting requirements.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Zhang John Z

Role Exec. Vice President & CCDO

Type	Security	Shares	Price	Value
Grant/Award	Performance Share Unit	16,891	$0.00	--
Grant/Award	Performance Share Unit	15,591	$0.00	--
Grant/Award	Performance Share Unit	20,932	$0.00	--

Holdings After Transaction: Performance Share Unit — 16,891 shares (Direct)

Footnotes (1)

1. Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2025 agreement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2024 agreement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

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
Estimated average burden
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)
02/04/2026

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

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	(1)	02/04/2026		A		16,891		(2)	(2)	Common Stock	16,891	$0	16,891	D
Performance Share Unit	(1)	02/04/2026		A		15,591		(3)	(3)	Common Stock	15,591	$0	35,839	D
Performance Share Unit	(1)	02/04/2026		A		20,932		(4)	(4)	Common Stock	20,932	$0	42,687	D

Explanation of Responses:

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

2. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2025 agreement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.

3. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2024 agreement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

4. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

	Melissa J. Gambol, Power of Attorney	02/06/2026
	** 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.
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FAQ

What did Corning (GLW) disclose in John Z. Zhang’s latest Form 4?

Corning reported that executive vice president John Z. Zhang acquired multiple performance share unit awards on February 4, 2026. These derivative awards are tied to Corning common stock and were earned after performance goals for fiscal year 2025 were determined to be satisfied by the Compensation Committee.

How many performance share units did Corning EVP John Z. Zhang receive?

John Z. Zhang received three separate performance share unit awards of 16,891, 15,591, and 20,932 units. Each unit represents a contingent right to receive one share of Corning Incorporated common stock, subject to vesting and continued employment conditions set out in prior-year agreements.

When do John Z. Zhang’s new Corning performance share units vest?

The earned performance share units vest in three future tranches: April 15, 2026, April 15, 2027, and April 14, 2028. On each vesting date, the applicable PSUs convert into shares of Corning common stock, provided Zhang continues to satisfy the service-based vesting requirements.

What performance period is tied to John Z. Zhang’s Corning PSU awards?

All three performance share unit awards were earned based on fiscal year 2025 performance. The Compensation Committee determined on February 4, 2026, that the performance criteria were satisfied under the 2023, 2024, and 2025 PSU agreements, triggering the earning of those units subject to later vesting.

What does each performance share unit represent for Corning (GLW)?

Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. The units only convert into actual shares if the specified vesting dates are reached and the service-based vesting conditions continue to be met by the reporting executive.

Were John Z. Zhang’s Corning PSU awards granted at a cash purchase price?

No, the Form 4 shows the performance share units with a transaction price of $0 per unit. These awards are equity-based compensation, earned upon satisfaction of performance criteria and subject to vesting, rather than securities purchased for cash on the open market.