[Form 4] CORNING INC /NY Insider Trading Activity

Rhea-AI Filing Summary

Corning Inc. (GLW) insider Jaymin Amin executed option exercises and a stock sale on 09/17/2025. The reporting person exercised stock options at strike prices of $20.89 and $18.67 to acquire a total of 7,931 shares and simultaneously sold 17,721 shares at a weighted-average price of $77.1795. After these transactions the reporting person directly beneficially owned 88,722 shares. In addition, ownership includes 2,579.5507 units held indirectly in the issuer's 401(k) unitized stock fund as of August 31, 2025. The form was signed under power of attorney on 09/18/2025.

Positive

• Acquired in-the-money shares by exercising options at strike prices of $20.89 and $18.67, suggesting realized intrinsic value.
• Maintained material ownership with 88,722 shares held directly after transactions and additional units in the 401(k) fund.

Negative

• Sold 17,721 shares in open-market transactions, reducing direct holdings from pre-transaction levels.
• Weighted-average sale price disclosure indicates multiple sale prices were used, adding complexity to assessing timing/intent.

Insights

Securities Analyst

Insider exercised multiple option grants then reduced a sizable portion of holdings via sale.

The filing shows exercises of vested options at significantly lower strike prices ($20.89 and $18.67) followed by a sale at a much higher market price (weighted average $77.1795). Exercising in-the-money options and selling some shares is a common liquidity/tax management pattern rather than a pure signal about firm fundamentals. The insider still holds a material direct stake of 88,722 shares plus retirement-plan units, indicating continued ownership alignment with shareholders.

Corporate Governance Expert

Transactions are routine executive exercises and partial disposition, not an unusual governance red flag.

The report discloses option exercises from grants dated 2019 with standard expiration in 2026, and a contemporaneous open-market sale disclosed with weighted-average pricing. The filing includes required footnote detail on the sale price range and retirement-plan unit disclosure, reflecting appropriate disclosure practice under Section 16 reporting rules.

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).

1. Name and Address of Reporting Person^*

Amin Jaymin

(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 Chief Tech. Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/17/2025

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	09/17/2025		M		2,543	A	$20.89	101,055	D
Common Stock	09/17/2025		M		2,845	A	$18.67	103,900	D
Common Stock	09/17/2025		M		2,543	A	$20.89	106,443	D
Common Stock	09/17/2025		S		17,721	D	$77.1795(1)	88,722	D
Common Stock								2,579.5507(2)	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
Stock Options (Right to Buy)	$20.89	09/17/2025		M			2,543	03/31/2019	03/31/2026	Common Stock	2,543	$0	0	D
Stock Options (Right to Buy)	$18.67	09/17/2025		M			2,845	04/29/2019	04/29/2026	Common Stock	2,845	$0	0	D
Stock Options (Right to Buy)	$20.89	09/17/2025		M			2,543	05/31/2019	05/31/2026	Common Stock	2,543	$0	0	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.01 to $77.48, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote.

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

	Melissa J. Gambol, Power of Attorney	09/18/2025
	** 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.
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 transactions did GLW insider Jaymin Amin report on 09/17/2025?

The filing reports option exercises acquiring 2,543, 2,845, and 2,543 shares (total 7,931) and an open-market sale of 17,721 shares at a weighted-average price of $77.1795.

How many GLW shares does the reporting person own after the reported transactions?

After the transactions the reporting person directly beneficially owned 88,722 shares and indirectly held 2,579.5507 units in the issuer's 401(k) unitized stock fund.

At what prices were the exercised options granted and what were their expirations?

The exercised stock options had exercise prices of $20.89 and $18.67, with original grant dates in 2019 and expiration dates in March–May 2026 as disclosed.

What does transaction code 'M' indicate on this Form 4?

Code 'M' is used here for the exercise or conversion of derivative securities leading to acquisition of shares; the filing shows those exercised options and resulting share acquisitions.

Is there additional detail about the sale price of the shares sold?

Yes. The form footnote states the reported weighted-average price represents multiple transactions with prices ranging from $77.01 to $77.48 and that the filer can provide specific breakdowns upon request.