Corning (NYSE: GLW) EVP receives 9,692 restricted stock units

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Zhang John Z reported acquisition or exercise transactions in this Form 4 filing.

Corning Inc. executive vice president John Z. Zhang received a grant of 9,692 restricted stock units (RSUs) tied to Corning common stock. Each RSU represents a contingent right to receive one share of common stock as part of his equity compensation.

The new RSU award vests 100% on April 16, 2029, although events such as retirement, death, disability, or others specified in the agreement could cause earlier vesting. Zhang also holds other outstanding RSU awards, including positions covering 22,498, 24,374, and 18,884 underlying shares. The filing shows no open‑market purchases or sales, only compensation-related equity grants and existing holdings.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Zhang John Z

Role Exec. Vice President & CCDO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	9,692	$0.00	--
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--
holding	Restricted Stock Unit	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 9,692 shares (Direct); Common Stock — 0 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 14, 2028. 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 16, 2029. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

Key Figures

New RSU grant: 9,692 units RSU vesting date: April 16, 2029 Existing RSU award: 22,498 underlying shares +2 more

5 metrics

New RSU grant 9,692 units Restricted stock units granted to John Z. Zhang on April 1, 2026

RSU vesting date April 16, 2029 New 9,692-unit RSU award vests 100%

Existing RSU award 22,498 underlying shares Direct RSU holding tied to Corning common stock

Existing RSU award 24,374 underlying shares Direct RSU holding tied to Corning common stock

Existing RSU award 18,884 underlying shares Direct RSU holding tied to Corning common stock

Key Terms

Restricted Stock Unit, RSUs, contingent right, vesting

4 terms

Restricted Stock Unit financial

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

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

RSUs financial

"The restricted stock units (RSUs) vest 100% on April 15, 2027."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

contingent right financial

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

vesting financial

"The restricted stock units (RSUs) vest 100% on April 16, 2029."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

Form 4 Insider Transactions: What Each Field Means →

04/02/2026 - 03:01 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^*

Zhang John Z

(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)
	Exec. Vice President & CCDO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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)
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								0	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	22,498		22,498	D
Restricted Stock Unit	⁽¹⁾							⁽³⁾	⁽³⁾	Common Stock	24,374		24,374	D
Restricted Stock Unit	⁽¹⁾							⁽⁴⁾	⁽⁴⁾	Common Stock	18,884		18,884	D
Restricted Stock Unit	⁽¹⁾	04/01/2026		A		9,692		⁽⁵⁾	⁽⁵⁾	Common Stock	9,692	$0	9,692	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) vest 100% on April 16, 2029. 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	04/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Corning (GLW) report for John Z. Zhang?

Corning reported that executive vice president John Z. Zhang received a grant of 9,692 restricted stock units. These RSUs represent a contingent right to receive an equal number of Corning common shares as part of his equity-based compensation package.

Is the Corning (GLW) Form 4 transaction a stock purchase or sale?

The Form 4 does not show any open-market stock purchases or sales by John Z. Zhang. It reports a compensation-related grant of 9,692 restricted stock units and updates to his existing RSU holdings, which are not market trades.

When do John Z. Zhang’s new Corning (GLW) RSUs vest?

The new restricted stock units vest 100% on April 16, 2029. The footnotes state that certain events, including retirement, death, disability, and others specified in the agreement, could cause the RSUs to vest earlier than this scheduled vesting date.

What do the restricted stock units in Corning (GLW) represent?

Each restricted stock unit represents a contingent right to receive one share of Corning common stock. The units convert into shares only upon vesting, aligning executive compensation with long-term company performance and share value for Corning’s shareholders.

What other RSU holdings does John Z. Zhang have at Corning (GLW)?

Beyond the new 9,692-unit grant, Zhang has other RSU awards covering 22,498, 24,374, and 18,884 underlying shares. These separate grants each vest 100% on different future April dates, as described in the accompanying vesting schedule footnotes.

Do any of John Z. Zhang’s Corning (GLW) RSUs vest before 2029?

Yes. Footnotes describe existing RSU grants that vest 100% on April 15, 2026, April 15, 2027, and April 14, 2028. These earlier awards are separate from the new 9,692-unit grant scheduled to vest on April 16, 2029.