Corning (NYSE: GLW) CFO details insider stock and RSU activity

Q: What insider transaction did Corning (GLW) disclose for its CFO?

The Executive Vice President and CFO acquired 1,035 shares of Corning common stock at an exercise price of $0 from restricted stock units on 01/02/2026, and on the same date 1,035 shares were disposed of at $90.67 , typically reflecting shares withheld to satisfy obligations.

Q: What do the transaction codes M and F mean in this Corning (GLW) insider filing?

In this filing, code M reflects the acquisition of 1,035 shares through the exercise or settlement of restricted stock units at $0 , and code F reflects the disposition of 1,035 shares at $90.67 , typically to cover related obligations.

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

The reporting person serves as an Executive Vice President and Chief Financial Officer of Corning Incorporated.

Filing Impact

(Neutral)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Corning Incorporated’s Executive Vice President and CFO reported routine equity award activity. On 01/02/2026, 1,035 shares of common stock were acquired at an exercise price of $0 from restricted stock units, and 1,035 shares were disposed of at $90.67, typically indicating shares withheld to cover obligations. After these transactions, the officer directly owned 66,959 shares of common stock.

The reporting person also held restricted stock units representing the right to receive common stock in the future, including 21,888 RSUs vesting 100% on April 15, 2027, 19,088 RSUs vesting 100% on April 15, 2026, and additional RSUs vesting 100% on April 14, 2028. Certain events such as retirement, death, or disability may cause these RSUs to vest earlier than the stated dates.

Insider Trade Summary

1,035 shares exercised/converted

Mixed 5 txns

Insider Schlesinger Edward A

Role Exec. Vice President and CFO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	1,035	$0.00	--
Exercise	Common Stock	1,035	$0.00	--
Tax Withholding	Common Stock	1,035	$90.67	$94K
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--

Holdings After Transaction: Restricted Stock Unit — 24,327 shares (Direct); Common Stock — 67,994 shares (Direct)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

01/06/2026 - 04:31 PM

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Schlesinger Edward A

(Last)

(First)

(Middle)

ONE RIVERFRONT PLAZA

(Street)

CORNING

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)
	Exec. Vice President and CFO

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	01/02/2026		M		1,035	A	$0	67,994	D
Common Stock	01/02/2026		F		1,035	D	$90.67	66,959	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	⁽¹⁾							⁽²⁾	⁽²⁾	Common Stock	21,888		21,888	D
Restricted Stock Unit	⁽¹⁾							⁽³⁾	⁽³⁾	Common Stock	19,088		19,088	D
Restricted Stock Unit	⁽¹⁾	01/02/2026		M			1,035	⁽⁴⁾	⁽⁴⁾	Common Stock	1,035	$0	24,327	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 15, 2026. 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.

	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).
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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Corning (GLW) disclose for its CFO?

The Executive Vice President and CFO acquired 1,035 shares of Corning common stock at an exercise price of $0 from restricted stock units on 01/02/2026, and on the same date 1,035 shares were disposed of at $90.67, typically reflecting shares withheld to satisfy obligations.

How many Corning (GLW) shares does the reporting officer own after this Form 4?

Following the reported transactions, the officer directly owned 66,959 shares of Corning common stock.

What restricted stock units (RSUs) does the Corning (GLW) officer hold and when do they vest?

The officer holds RSUs that each represent a contingent right to receive one share of Corning common stock, including 21,888 RSUs vesting 100% on April 15, 2027, 19,088 RSUs vesting 100% on April 15, 2026, and additional RSUs vesting 100% on April 14, 2028. Certain events may cause earlier vesting.

What do the transaction codes M and F mean in this Corning (GLW) insider filing?

In this filing, code M reflects the acquisition of 1,035 shares through the exercise or settlement of restricted stock units at $0, and code F reflects the disposition of 1,035 shares at $90.67, typically to cover related obligations.

Is this Corning (GLW) insider transaction filed under a 10b5-1 trading plan?

The form includes a check box for trades made under a Rule 10b5-1(c) contract or plan, but the excerpt does not indicate that this box was checked for the reported transactions.

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

The reporting person serves as an Executive Vice President and Chief Financial Officer of Corning Incorporated.