Corning (GLW) SVP details RSU vesting, share sales and remaining awards

Rhea-AI Filing Summary

Corning Incorporated senior vice president and general manager of Optical Communications reported routine equity activity in company stock. On January 2, 2026, the officer acquired 612 shares of Corning common stock at an exercise price of $0 through the vesting and settlement of restricted stock units, then disposed of 612 shares at $90.67, likely to cover related obligations, leaving 34,966 shares held directly.

The officer continues to hold multiple unvested restricted stock unit (RSU) awards, each convertible into one share of common stock. These include RSUs originally granted on February 8, 2023 that vest over three years, as well as RSUs scheduled to vest 100% on April 15, 2026, April 15, 2027, and April 14, 2028, subject to terms such as potential earlier vesting upon retirement, death, or disability.

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^*

O'Day Michael Paul

(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)
	SVP and GM, Optical Comm.

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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	01/02/2026		M		612	A	$0	35,578	D
Common Stock	01/02/2026		F		612	D	$90.67	34,966	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	1,091		1,091	D
Restricted Stock Unit	(1)							(3)	(3)	Common Stock	6,460		6,460	D
Restricted Stock Unit	(1)							(4)	(4)	Common Stock	6,244		6,244	D
Restricted Stock Unit	(1)	01/02/2026		M			612	(5)	(5)	Common Stock	612	$0	14,704	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) 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.

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 15, 2026. 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) 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.

	Melissa J. Gambol, Power of Attorney	01/06/2026
	** 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).
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FAQ

What insider transaction did Corning (GLW) report in this Form 4?

The filing reports that a Corning senior vice president and general manager of Optical Communications acquired 612 shares of common stock via restricted stock unit settlement at an exercise price of $0 on January 2, 2026, and on the same date disposed of 612 shares at $90.67.

How many Corning (GLW) shares does the reporting officer own after the transaction?

Following the reported transactions on January 2, 2026, the officer directly beneficially owns 34,966 shares of Corning common stock.

What restricted stock units does the Corning (GLW) officer still hold?

The officer holds several restricted stock unit awards, including blocks of 1,091, 6,460, 6,244, and 14,704 RSUs, each representing a contingent right to receive one share of Corning common stock, subject to their specific vesting schedules.

When do the Corning (GLW) restricted stock units vest for this insider?

One RSU grant made on February 8, 2023 vests 1/3 after one year and 1/6 every six months until fully vested on the third anniversary. Other RSU awards are scheduled to vest 100% on April 15, 2026, April 15, 2027, and April 14, 2028, subject to the terms of their agreements.

Can Corning (GLW) restricted stock units vest early for this reporting person?

Yes. For several RSU awards, events such as retirement, death, or disability, and other events specified in the applicable agreements, may result in vesting prior to the scheduled vesting dates.

What role does the reporting person hold at Corning (GLW)?

The reporting person is an officer of Corning Incorporated, serving as Senior Vice President and General Manager, Optical Communications.