[Form 3] CORNING INC /NY Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Corning Incorporated (GLW) executive Senior Vice President & CHRO reports her equity holdings with the company. She directly owns 36,000 shares of common stock and her spouse holds 44 shares indirectly, for which she disclaims beneficial ownership.

The filing also details several equity awards. These include restricted stock units (RSUs) granted on February 8, 2023 that vest over three years, with one-third after one year and additional portions every six months until the third anniversary. Additional RSUs covering 4,378, 3,953, and 3,793 shares vest 100% on April 15, 2027, April 14, 2028, and April 15, 2026, respectively. Performance share units (PSUs) for 4,766 and 4,183 shares can convert into common stock, with earned PSUs scheduled to vest and convert on April 15, 2026 and April 15, 2027, subject to service-based vesting conditions.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Gullo Michelle L

(Last) (First) (Middle)

1 RIVERFRONT PLAZA

(Street)

CORNING NY 14831

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/17/2025

3. Issuer Name and Ticker or Trading Symbol
CORNING INC /NY [ GLW ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Senior Vice President & CHRO

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	36,000	D
Common Stock - Held by Spouse	44	I	Held by Spouse(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(2)	(2)	Common Stock	918	(3)	D
Restricted Stock Unit	(2)	(2)	Common Stock	76	(3)	I	Held by Spouse(1)
Performance Share Unit	(4)	(4)	Common Stock	4,766	(5)	D
Performance Share Unit	(6)	(6)	Common Stock	4,183	(5)	D
Restricted Stock Unit	(7)	(7)	Common Stock	4,378	(3)	D
Restricted Stock Unit	(8)	(8)	Common Stock	3,953	(3)	D
Restricted Stock Unit	(9)	(9)	Common Stock	3,793	(3)	D

Explanation of Responses:

1. The reporting person disclaims beneficial ownership of all securities held by spouse.

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

4. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

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

6. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

7. 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.

8. 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.

9. 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.

	Melissa J. Gambol, Power of Attorney	11/24/2025
	** 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 5 (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.

FAQ

What did Corning (GLW) disclose in this insider ownership filing?

The company reported that its Senior Vice President & CHRO beneficially owns 36,000 shares of Corning common stock directly, plus multiple RSU and PSU awards that may convert into additional shares over time.

How many Corning (GLW) common shares does the executive directly own?

The executive directly owns 36,000 shares of Corning Incorporated common stock.

What indirect holdings were reported for the Corning (GLW) executive?

The filing notes that the executive's spouse holds 44 shares of Corning common stock indirectly. The executive disclaims beneficial ownership of these securities.

What restricted stock units (RSUs) were disclosed for Corning (GLW)?

The filing lists several RSU awards, including units granted on February 8, 2023 that vest over three years, and additional grants of 4,378, 3,953, and 3,793 shares that each vest 100% on April 15, 2027, April 14, 2028, and April 15, 2026, respectively.

What performance share units (PSUs) were reported for the Corning (GLW) executive?

The executive holds performance share units tied to 4,766 and 4,183 shares of common stock. Earned PSUs remain restricted until April 15, 2026 and April 15, 2027, when they may vest and convert to shares, subject to service-based vesting conditions.

Do special events affect vesting of the Corning (GLW) RSUs?

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