[Form 4] Corning Incorporated Insider Trading Activity

Rhea-AI Filing Summary

Nelson Avery H III, Executive Vice President & COO of Corning Incorporated (GLW), reported insider transactions on Form 4. On 08/08/2025 he received 2,476 shares at no cost (conversion of restricted stock units) and on the same date reported a disposition of 1,264 shares at a price of $65.77 per share. After these transactions his reported direct beneficial ownership is shown as 67,314 shares (after the acquisition) and 66,050 shares (after the disposition). He also holds 3,814.5206 units indirectly in a unitized 401(k) stock fund as of July 31, 2025. The filing lists outstanding restricted stock units totaling 21,442, 24,374, 17,838 and the converted 2,476, with vesting dates of April 15, 2026; April 15, 2027; April 14, 2028; and a multi-step vesting schedule for the February 8, 2023 grant.

Positive

• 2,476 shares acquired via RSU conversion on 08/08/2025, reflecting equity-based compensation delivery
• Detailed vesting schedules disclosed for RSU awards (Apr 15, 2026, Apr 15, 2027, Apr 14, 2028) improve transparency
• 3,814.5206 units held indirectly in the issuer's 401(k) plan as of July 31, 2025

Negative

• Disposition of 1,264 shares on 08/08/2025 at $65.77 per share reported
• Reported direct beneficial ownership decreased to 66,050 shares following the sale

Insights

Securities Analyst

TL;DR: Routine executive RSU vesting and a small open-market disposition were reported; no material change to overall ownership stake.

The Form 4 documents standard compensation vesting activity and a contemporaneous sale. The filing shows 2,476 shares issued from RSU conversion and a sale of 1,264 shares at $65.77. Post-transaction direct holdings are reported near 66–67k shares, and an additional 3,814.5206 units are held indirectly in the company 401(k). These items are common for executive compensation and liquidity planning and do not reflect new strategic disclosures or corporate events.

Corporate Governance Expert

TL;DR: Transactions reflect compensation vesting and routine sale; filing provides clear vesting schedules for multiple RSU grants.

The disclosure specifies four RSU award groupings with explicit vesting dates and conditions, including one grant with phased vesting from February 8, 2023 and single-date vesting for awards in 2026–2028. The presence of a power of attorney signature and precise unit counts supports filing completeness. From a governance standpoint, these are standard equity-based pay realizations rather than signals of corporate governance change.

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^*

Nelson Avery H III

(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)
	Executive Vice President & COO

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	67,314	D
Common Stock	08/08/2025		F		1,264	D	$65.77	66,050	D
Common Stock								3,814.5206(1)	I	Trustee u/Employee Benefit Plan

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	(2)							(3)	(3)	Common Stock	21,442		21,442	D
Restricted Stock Unit	(2)							(4)	(4)	Common Stock	24,374		24,374	D
Restricted Stock Unit	(2)							(5)	(5)	Common Stock	17,838		17,838	D
Restricted Stock Unit	(2)	08/08/2025		M			2,476	(6)	(6)	Common Stock	2,476	$0	2,476	D

Explanation of Responses:

1. Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of July 31, 2025.

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

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 14, 2028. 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 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

6. 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).
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FAQ

What insider transactions did Corning (GLW) report on this Form 4?

On 08/08/2025 Nelson Avery H III reported an acquisition of 2,476 shares via RSU conversion and a disposition of 1,264 shares at $65.77 per share.

How many shares does the reporting person beneficially own after these transactions?

The filing shows beneficial ownership reported as 67,314 shares following the acquisition and 66,050 shares following the reported disposition.

Are there outstanding restricted stock units (RSUs) for the reporting person?

Yes. The filing lists RSU holdings of 21,442, 24,374, 17,838 and the converted 2,476, with specified vesting dates in 2026–2028 and a phased schedule for the 2023 grant.

Does the filing disclose retirement plan holdings for the reporting person?

Yes. It discloses 3,814.5206 units held indirectly in a unitized stock fund through the issuer's 401(k) plan as of July 31, 2025.

Who signed the Form 4 on behalf of the reporting person?

The form was signed by Melissa J. Gambol as Power of Attorney on 08/12/2025.