Corning (GLW) SVP O'Day has 3,496 shares withheld for tax on vesting

Rhea-AI Filing Summary

Corning Inc. senior vice president Michael Paul O'Day, SVP and GM of Optical Communications, reported a routine share disposition related to taxes. On the vesting of restricted stock, 3,496 shares of common stock were withheld to cover his tax withholding obligations. After this tax-withholding event, O'Day directly holds 39,122 shares of Corning common stock, showing he retains a meaningful equity stake. The transaction was not an open-market sale but an automatic share withholding to satisfy taxes.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider O'Day Michael Paul

Role SVP and GM, Optical Comm.

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	3,496	$153.05	$535K

Holdings After Transaction: Common Stock — 39,122 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares withheld for taxes: 3,496 shares Transaction price per share: $153.05 per share Shares owned after transaction: 39,122 shares

3 metrics

Shares withheld for taxes 3,496 shares Tax-withholding disposition on restricted stock vesting

Transaction price per share $153.05 per share Recorded value for withheld shares

Shares owned after transaction 39,122 shares Direct Corning common stock holdings post-transaction

Key Terms

restricted stock, tax withholding obligations, Form 4

3 terms

restricted stock financial

"upon the vesting of restricted stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

tax withholding obligations financial

"to satisfy the Reporting Person's tax withholding obligations"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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^*

O'Day Michael Paul

(Last) (First) (Middle)

ONE RIVERFRONT PLAZA

(Street)

CORNING NEW YORK 14831

(City) (State) (Zip)

UNITED STATES

(Country)

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 GM, Optical Comm.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	04/28/2026		F		3,496(1)	D	$153.05	39,122	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

Explanation of Responses:

1. Shares withheld to satisfy the Reporting Person's tax withholding obligations upon the vesting of restricted stock.

	Melissa J. Gambol, Power of Attorney	04/29/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Corning (GLW) report for Michael Paul O'Day?

Corning reported that Michael Paul O'Day had 3,496 common shares withheld to satisfy tax obligations upon restricted stock vesting. This was recorded as a Form 4 tax-withholding disposition, not an open-market share sale.

Was the Corning (GLW) Form 4 transaction an open-market sale?

No, the Form 4 shows a tax-withholding disposition, not an open-market sale. Shares were withheld by Corning to cover Michael Paul O'Day’s tax obligations when his restricted stock vested.

How many Corning (GLW) shares were withheld for Michael Paul O'Day’s taxes?

A total of 3,496 Corning common shares were withheld to satisfy Michael Paul O'Day’s tax withholding obligations triggered by restricted stock vesting, according to the Form 4 filing data.

What is Michael Paul O'Day’s Corning (GLW) shareholding after this Form 4 event?

After the tax-withholding transaction, Michael Paul O'Day directly holds 39,122 shares of Corning common stock. This post-transaction balance is disclosed in the Form 4 as his remaining direct ownership.

What price per share is shown in Michael Paul O'Day’s Corning (GLW) Form 4?

The Form 4 lists a transaction price of $153.05 per share for the 3,496 withheld shares. This value is used to record the tax-withholding disposition tied to restricted stock vesting.

What role does Michael Paul O'Day hold at Corning (GLW) in this Form 4 filing?

Michael Paul O'Day is identified as an officer of Corning, serving as Senior Vice President and General Manager of Optical Communications. His status is explicitly noted in the Form 4 insider data.