Corning (NYSE: GLW) director discloses new RSU grant and share holdings

Rhea-AI Filing Summary

Corning Incorporated director reported updated equity holdings. A Form 4 filing shows that on 12/31/2025 the director acquired 385 restricted stock units (RSUs), each representing a contingent right to receive one share of Corning common stock, at a derivative price of $87.56.

After this transaction, the director beneficially owned 19,840 derivative securities in the form of RSUs and 31,506 shares of Corning common stock directly. The RSUs convert into common stock and are distributed on a deferred basis, either on a date elected by the director or upon termination of service as a Corning director, including units granted under the Non-Employee Directors' Deferred Compensation 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

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^*

Martin Kevin J

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

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								31,506	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	888		888	D
Restricted Stock Unit	(1)							(2)	(2)	Common Stock	1,544		1,544	D
Restricted Stock Unit	(3)							(2)	(2)	Common Stock	51,047		51,047	D
Restricted Stock Unit	(4)	12/31/2025		A		385		(5)	(5)	Common Stock	385	$87.56	19,840	D

Explanation of Responses:

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

2. Conversion of restricted stock units to the Company's common stock and distribution of such stock is deferred until a specific date as elected by the participant or termination of service as a Corning director.

3. Represents annual equity retainer in the form of restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Corning Incorporated common stock.

4. Represents restricted stock units (RSUs) granted under the Non-Employee Directors' Deferred Compensation Plan. Each RSU represents a contingent right to receive one share of Corning Incorporated common stock.

5. Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Non-Employee Directors' Deferred Compensation Plan is deferred until a specific date as elected by the participant or termination of service as a Corning director.

	Melissa J. Gambol, Power of Attorney	01/05/2026
	** 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 insider activity did Corning (GLW) report in this Form 4?

The filing reports that a Corning Incorporated director acquired 385 restricted stock units (RSUs) on 12/31/2025, updating the director’s equity holdings in the company.

How many Corning (GLW) shares and RSUs does the director hold after the reported transaction?

Following the reported transaction, the director beneficially owned 31,506 shares of Corning common stock directly and 19,840 derivative securities in the form of restricted stock units.

What does each restricted stock unit represent for Corning (GLW) directors?

Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock, subject to the plan’s terms.

When are Corning (GLW) RSUs for this director converted and distributed?

Conversion of RSUs to Corning common stock and distribution of such stock is deferred until a specific date elected by the director or termination of service as a Corning director, including RSUs under the Non-Employee Directors' Deferred Compensation Plan.

What is the price associated with the new Corning (GLW) RSU grant?

The RSUs acquired on 12/31/2025 are shown with a derivative security price of $87.56, tied to the 385 restricted stock units granted.

Is the reporting person a director or officer of Corning (GLW)?

The reporting person is identified as a Director of Corning Incorporated, with the applicable director box checked in the relationship section.