Corning (NYSE: GLW) SVP sells 21,000 shares, retains 7,263

Rhea-AI Filing Summary

Corning Inc. senior vice president of finance and corporate controller Stefan Becker executed an open-market sale of 21,000 shares of Corning common stock on May 8, 2026 at $188.08 per share. Following this transaction, he directly holds 7,263 shares of common stock.

Insider Trade Summary

Net Seller: 21,000 shares ($3,949,680)

Net Sell 1 txn

Insider Becker Stefan

Role SVP, Finance & Corp Controller

Sold 21,000 shs ($3.95M)

Type	Security	Shares	Price	Value
Sale	Common Stock	21,000	$188.08	$3.95M

Holdings After Transaction: Common Stock — 7,263 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 21,000 shares Sale price: $188.08 per share Shares held after sale: 7,263 shares

3 metrics

Shares sold 21,000 shares Open-market sale of Corning common stock on May 8, 2026

Sale price $188.08 per share Price reported for the 21,000-share open-market sale

Shares held after sale 7,263 shares Direct ownership following the reported transaction

Key Terms

open-market sale, Common Stock, transaction code "S", net-sell

4 terms

open-market sale financial

"transaction_action: "open-market sale" for 21,000 shares"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock" for the reported transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

transaction code "S" financial

"transaction_code: "S" described as sale in open market"

net-sell financial

"transactionSummary shows netBuySellDirection: "net-sell""

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^*

Becker Stefan

(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, Finance & Corp Controller

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

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	05/08/2026		S		21,000	D	$188.08	7,263	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:

	Melissa J. Gambol, Power of Attorney	05/08/2026
	** 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 Stefan Becker?

Corning reported that senior vice president of finance and corporate controller Stefan Becker completed an open-market sale of 21,000 shares of Corning common stock. The transaction occurred on May 8, 2026, at a reported price of $188.08 per share.

How many Corning (GLW) shares did Stefan Becker sell and at what price?

Stefan Becker sold 21,000 shares of Corning common stock in an open-market transaction. The reported sale price was $188.08 per share on May 8, 2026, according to the Form 4 insider trading disclosure filed for Corning Inc.

How many Corning (GLW) shares does Stefan Becker hold after this sale?

After the reported open-market sale, Stefan Becker directly owns 7,263 shares of Corning common stock. This post-transaction holding figure comes from the Form 4, which shows his remaining direct ownership immediately following the 21,000-share disposition.

What does transaction code "S" mean in the Corning (GLW) Form 4?

Transaction code “S” in the Corning Form 4 indicates a sale in an open-market or private transaction. In this case, it classifies Stefan Becker’s 21,000-share disposition of Corning common stock as an open-market sale rather than a grant, gift, or tax withholding.

Was Stefan Becker’s Corning (GLW) share sale an open-market transaction?

Yes. The Form 4 describes Stefan Becker’s 21,000-share disposition of Corning common stock as an open-market sale. The filing’s transaction_action field explicitly labels the event as an “open-market sale” at a reported price of $188.08 per share.