[Form 4] CORNING INC /NY Insider Trading Activity

Rhea-AI Filing Summary

Kevin J. Martin, a director of Corning Incorporated (GLW), reported changes in beneficial ownership on a Form 4 covering transactions dated 09/30/2025. The filing shows a disposition of 31,506 shares of Corning common stock. The report also details existing and resulting holdings of restricted stock units (RSUs): 888, 1,544, and 51,047 underlying shares, and a grant of 411 RSUs on 09/30/2025 priced at $82.03 per share, with 19,455 shares reported as beneficially owned following the RSU acquisition line. RSUs are described as contingent rights to receive one share each, with conversion and distribution deferred until an elected date or termination of service.

Positive

• 411 RSU grant on 09/30/2025 under the Non-Employee Directors' Deferred Compensation Plan
• RSUs described as deferred, preserving alignment with shareholder interests through share-based compensation

Negative

• Disposition of 31,506 shares reported on 09/30/2025, reducing direct ownership

Insights

Corporate Governance Analyst

Director sold stock and received RSUs; holdings remain substantial.

The Form 4 shows a disposition of 31,506 shares by director Kevin J. Martin on 09/30/2025, recorded in the non-derivative section. This is an explicit sale/transfer reported on the filing and reduces direct share ownership by that amount.

The filing separately records multiple sets of RSUs totaling 53,479 underlying shares listed across lines (888, 1,544, 51,047) plus a grant of 411 RSUs on 09/30/2025. RSUs are described as contingent rights to receive one share each, with distribution deferred per plan rules.

Executive Compensation Specialist

New RSU grant recorded at $82.03 with deferred distribution terms.

The derivative section shows an RSU grant of 411 on 09/30/2025 with a listed price of $82.03. The explanation clarifies these RSUs are granted under the Non-Employee Directors' Deferred Compensation Plan and convert to common stock when distribution conditions are met.

The filing documents both awards and the mechanics: conversion is deferred until an elected date or upon termination of service, consistent with director deferred-compensation arrangements disclosed here.

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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)
09/30/2025

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)	09/30/2025		A		411		(5)	(5)	Common Stock	411	$82.03	19,455	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	10/02/2025
	** 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 Kevin J. Martin report on the Form 4 for GLW?

The Form 4 reports a disposition of 31,506 shares and an RSU grant of 411 on 09/30/2025; RSUs convert to common stock upon deferred distribution.

How many restricted stock units (RSUs) are listed in the filing?

The filing lists RSUs underlying 888, 1,544, 51,047, and a new grant of 411 RSUs.

What price is associated with the RSU grant on 09/30/2025?

The RSU grant on 09/30/2025 is shown with a price of $82.03.

Are the RSUs immediately convertible to shares?

No. The filing states conversion and distribution are deferred until a specific date elected by the participant or termination of service.

What is the reporting person's relationship to Corning (GLW)?

Kevin J. Martin is reported as a Director of Corning Incorporated.