What performance share units did Ronald Verkleeren receive from Corning (GLW)?

Ronald Verkleeren was credited with 8,445 , 11,137 , and 16,650 performance share units. These PSUs were earned after fiscal 2025 performance criteria were met under Corning’s 2023, 2024, and 2025 performance agreements, each unit representing one share of common stock.

When do Ronald Verkleeren’s Corning (GLW) performance share units vest?

The earned PSUs remain restricted and are scheduled to vest and convert into Corning common stock on April 15, 2026 , April 15, 2027 , and April 14, 2028 . Vesting is subject to a continued service-based requirement under the respective performance agreements.

What do Corning (GLW) performance share units represent in this Form 4?

Each performance share unit represents a contingent right to receive one share of Corning common stock. The PSUs are earned when performance criteria are met and then remain restricted until their scheduled vesting dates, subject to the executive’s continued service.

Corning (NYSE: GLW) SVP Verkleeren reports new PSUs and tax share withholding

Q: Who is the insider in Corning (GLW)’s latest Form 4 filing?

The insider is Ronald L. Verkleeren , Corning’s SVP Emerging Innovations Group . He reported equity compensation activity involving performance share units and common stock, all held directly , reflecting updates to his beneficial ownership in Corning common shares.

Q: Why were 1,286 Corning (GLW) shares withheld in Ronald Verkleeren’s filing?

1,286 common shares were withheld at $109.69 per share. The filing describes this as vesting to satisfy tax requirements related to the performance share unit agreements, meaning the shares covered tax obligations instead of being retained as additional holdings.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Corning Incorporated senior vice president Ronald L. Verkleeren reported multiple equity compensation transactions. On February 4, 2026, he was credited with 8,445, 11,137, and 16,650 performance share units (PSUs) after the Compensation Committee determined fiscal 2025 performance goals were met under the 2025, 2024, and 2023 agreements. Each PSU represents one share of common stock and remains restricted, scheduled to vest and convert into shares on April 15, 2026, April 15, 2027, and April 14, 2028, subject to continued service.

He also exercised PSUs for 300, 395, and 591 underlying shares at an exercise price of $0, receiving the same number of Corning common shares. To cover tax obligations, 1,286 shares of common stock were withheld at $109.69 per share, leaving him with 32,500 shares of common stock held directly.

Insider Trade Summary

1,286 shares exercised/converted

Mixed 10 txns

Insider Verkleeren Ronald L

Role SVP Emerging Innovations Group

Type	Security	Shares	Price	Value
Grant/Award	Performance Share Unit	8,445	$0.00	--
Grant/Award	Performance Share Unit	11,137	$0.00	--
Grant/Award	Performance Share Unit	16,650	$0.00	--
Exercise	Performance Share Unit	300	$0.00	--
Exercise	Performance Share Unit	395	$0.00	--
Exercise	Performance Share Unit	591	$0.00	--
Exercise	Common Stock	300	$0.00	--
Exercise	Common Stock	395	$0.00	--
Exercise	Common Stock	591	$0.00	--
Tax Withholding	Common Stock	1,286	$109.69	$141K

Holdings After Transaction: Performance Share Unit — 8,445 shares (Direct); Common Stock — 32,800 shares (Direct)

Footnotes (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. Vesting to satisfy tax requirement pursuant to the 2025 agreement. Vesting to satisfy tax requirement pursuant to the 2024 agreement. Vesting to satisfy tax requirement pursuant to the 2023 agreement.

Form 4 Insider Transactions: What Each Field Means →

02/06/2026 - 04:42 PM

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^*

Verkleeren Ronald L

(Last)

(First)

(Middle)

ONE RIVERFRONT PLAZA

(Street)

CORNING

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)
	SVP Emerging Innovations Group

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/04/2026		M		300	A	$0⁽¹⁾	32,800	D
Common Stock	02/04/2026		M		395	A	$0⁽¹⁾	33,195	D
Common Stock	02/04/2026		M		591	A	$0⁽¹⁾	33,786	D
Common Stock	02/04/2026		F		1,286	D	$109.69	32,500	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Performance Share Unit	⁽¹⁾	02/04/2026		A		8,445		⁽²⁾	⁽²⁾	Common Stock	8,445	$0	8,445	D
Performance Share Unit	⁽¹⁾	02/04/2026		A		11,137		⁽³⁾	⁽³⁾	Common Stock	11,137	$0	24,938	D
Performance Share Unit	⁽¹⁾	02/04/2026		A		16,650		⁽⁴⁾	⁽⁴⁾	Common Stock	16,650	$0	33,162	D
Performance Share Unit	⁽¹⁾	02/04/2026		M			300	⁽⁵⁾	⁽⁵⁾	Common Stock	300	$0	8,145	D
Performance Share Unit	⁽¹⁾	02/04/2026		M			395	⁽⁶⁾	⁽⁶⁾	Common Stock	395	$0	24,543	D
Performance Share Unit	⁽¹⁾	02/04/2026		M			591	⁽⁷⁾	⁽⁷⁾	Common Stock	591	$0	32,571	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.

5. Vesting to satisfy tax requirement pursuant to the 2025 agreement.

6. Vesting to satisfy tax requirement pursuant to the 2024 agreement.

7. Vesting to satisfy tax requirement pursuant to the 2023 agreement.

	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.
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.

Source: View Original Filing on SEC EDGAR

FAQ

Who is the insider in Corning (GLW)’s latest Form 4 filing?

The insider is Ronald L. Verkleeren, Corning’s SVP Emerging Innovations Group. He reported equity compensation activity involving performance share units and common stock, all held directly, reflecting updates to his beneficial ownership in Corning common shares.

How many Corning (GLW) common shares does Ronald Verkleeren hold after this Form 4?

After the reported transactions, Ronald Verkleeren directly holds 32,500 shares of Corning common stock. This figure reflects PSU conversions into shares and the withholding of certain shares to satisfy tax obligations associated with vesting events.

Why were 1,286 Corning (GLW) shares withheld in Ronald Verkleeren’s filing?

1,286 common shares were withheld at $109.69 per share. The filing describes this as vesting to satisfy tax requirements related to the performance share unit agreements, meaning the shares covered tax obligations instead of being retained as additional holdings.