[Form 4] Corning Incorporated Insider Trading Activity

Rhea-AI Filing Summary

Ronald L. Verkleeren, SVP Emerging Innovations Group at Corning Incorporated (GLW), reported transactions dated 08/08/2025. The filing shows 2,476 shares were acquired upon vesting of restricted stock units at a $0 price, increasing reported beneficial ownership to 56,764 shares, and a disposal of 1,264 shares at $65.77 per share, leaving 55,500 shares. The Form 4 also discloses outstanding restricted stock unit awards of 16,070, 12,187, and 15,021 shares with vesting dates of April 15, 2027, April 14, 2028, and April 15, 2026, respectively. The RSUs granted on February 8, 2023 follow a schedule that vests one-third after one year and then additional installments until the third anniversary.

Insights

Financial Analyst

TL;DR Routine executive RSU vesting coupled with a modest share disposition; no material change to ownership stake.

The Form 4 documents conversion of 2,476 RSUs into common shares at no cash cost and a separate sale/disposition of 1,264 shares at $65.77 each on 08/08/2025. The net reported beneficial ownership moves from 56,764 to 55,500 shares. These transactions match scheduled vesting terms disclosed in the filing and represent routine compensation-related activity rather than a clear signal of a change in the executive's long-term ownership intent.

Corporate Governance Expert

TL;DR Disclosures are complete and show specific vesting schedules; filing includes POA signature, indicating routine administrative handling.

The filing itemizes multiple RSU award tranches with explicit single-date vesting on 4/15/2026, 4/15/2027, and 4/14/2028, plus a 2023 grant with staged vesting through its third anniversary. The presence of a power of attorney signature (Melissa J. Gambol) dated 08/12/2025 is noted. From a governance perspective the Form 4 provides the necessary itemized information on acquisition, disposition, and remaining awards.

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

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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^*

Verkleeren Ronald L

(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 Emerging Innovations Group

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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	08/08/2025		M		2,476	A	$0	56,764	D
Common Stock	08/08/2025		F		1,264	D	$65.77	55,500	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)							(2)	(2)	Common Stock	16,070		16,070	D
Restricted Stock Unit	(1)							(3)	(3)	Common Stock	12,187		12,187	D
Restricted Stock Unit	(1)							(4)	(4)	Common Stock	15,021		15,021	D
Restricted Stock Unit	(1)	08/08/2025		M			2,476	(5)	(5)	Common Stock	2,476	$0	2,476	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) 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.

3. 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.

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) 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.

	Melissa J. Gambol, Power of Attorney	08/12/2025
	** 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 transactions did Ronald L. Verkleeren report on Form 4 for GLW?

On 08/08/2025 he acquired 2,476 shares upon RSU vesting at $0 and disposed of 1,264 shares at $65.77 per share.

How many shares does Verkleeren beneficially own after the reported transactions?

The filing reports beneficial ownership of 55,500 shares following the reported transactions.

What RSU awards and vesting dates are disclosed in the filing?

The filing shows RSU awards of 16,070, 12,187, and 15,021 shares vesting on 4/15/2027, 4/14/2028, and 4/15/2026, respectively; a 2023 grant vests in installments through its third anniversary.

At what price were the disposed shares sold?

The disposed shares were reported at a price of $65.77 per share.

Who signed the Form 4 and when?

The form shows a Power of Attorney signature by Melissa J. Gambol dated 08/12/2025.