Corning SVP sells 10,000 shares in open market

Corning Inc. senior vice president Ronald L. Verkleeren sold 10,000 shares of common stock in an open-market transaction.

Rhea-AI Filing Summary

Corning Inc. senior vice president Ronald L. Verkleeren sold 10,000 shares of common stock in an open-market transaction. The weighted average sale price was $207.7708 per share, with individual trades between $207.50 and $207.95. After the sale, he directly holds 48,143 shares.

Insider Trade Summary

Net Seller: 10,000 shares

Net Sell 1 txn

Insider Verkleeren Ronald L

Role SVP Emerging Innovations Group

Sold 10,000 shs ($2.08M)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$207.7708	$2.08M

Holdings After Transaction: Common Stock — 48,143 shares (Direct)

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.50 to $207.95, 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.

Key Figures

Shares sold: 10,000 shares Weighted average sale price: $207.7708 per share Price range: $207.50–$207.95 per share +2 more

5 metrics

Shares sold 10,000 shares Open-market sale on May 13, 2026

Weighted average sale price $207.7708 per share Common stock sale

Price range $207.50–$207.95 per share Multiple transactions within the sale

Shares held after sale 48,143 shares Direct ownership following transaction

Net shares sold 10,000 shares Net-sell direction from transaction summary

Key Terms

open-market sale, weighted average price, multiple transactions, Form 4

4 terms

open-market sale financial

"transaction_action": "open-market sale""

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.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

multiple transactions financial

"These shares were sold in multiple transactions at prices ranging"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Corning (GLW) report for Ronald L. Verkleeren?

Corning reported that senior vice president Ronald L. Verkleeren executed an open-market sale of 10,000 shares of common stock. The transaction is disclosed on a Form 4, which details insider trades required under SEC rules for company officers and directors.

At what price did the Corning (GLW) insider shares sell?

The 10,000 Corning shares were sold at a weighted average price of $207.7708 per share. Individual trades occurred in multiple transactions at prices ranging from $207.50 to $207.95, according to the filing’s explanatory footnote.

How many Corning (GLW) shares does Ronald L. Verkleeren hold after the sale?

After the reported sale, Ronald L. Verkleeren directly holds 48,143 shares of Corning common stock. This post-transaction balance is disclosed in the Form 4 and reflects his remaining direct ownership position following the 10,000-share open-market sale.

Was the Corning (GLW) insider sale done in a single trade or multiple trades?

The sale was completed through multiple transactions rather than a single trade. The filing notes that the 10,000 shares were sold at various prices between $207.50 and $207.95, with the reported figure representing a weighted average sale price.

What does weighted average price mean in the Corning (GLW) Form 4 filing?

Weighted average price reflects the average sale price of all shares in the transaction group, adjusted for the number of shares at each price. In this case, 10,000 shares were sold in multiple trades, producing a weighted average of $207.7708 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/14/2026 - 04:10 PM EDT Learn about SEC filing dates

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^*

Verkleeren Ronald L

(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 Emerging Innovations Group

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

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	05/13/2026(1)		S		10,000	D	$207.7708	48,143	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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.50 to $207.95, 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.

	Melissa J. Gambol, Power of Attorney	05/14/2026
	** 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)