[Form 4] Corning Incorporated Insider Trading Activity

Rhea-AI Filing Summary

Corning Incorporated (GLW) Form 4 summary: Stefan Becker, identified as SVP, Finance & Corp Controller, reported transactions in Corning common stock on 08/08/2025. The filing shows an acquisition of 2,110 shares at a $0 price (linked to vested restricted stock units) and a disposition of 1,078 shares at $65.77. The reported beneficial ownership figures following those transactions are listed as 18,227 shares and 17,149 shares, respectively.

The filing also itemizes restricted stock unit awards: 14,692 RSUs vesting April 15, 2027; 13,734 RSUs vesting April 15, 2026; 13,505 RSUs vesting April 14, 2028; plus RSUs granted February 8, 2023 that vest on a 1/3 then 1/6 schedule until full vesting on the third anniversary. Each RSU represents a contingent right to receive one share of common stock.

Positive

• 2,110 shares acquired via RSU conversion at $0, indicating compensation alignment with company equity
• Detailed RSU disclosure with explicit vesting dates and tranche sizes (14,692; 13,734; 13,505; and the 2023 grant schedule)

Negative

• Disposition of 1,078 shares at $65.77, reducing reported beneficial ownership to 17,149 shares
• Filing shows multiple unvested RSU tranches which represent potential future dilution if converted

Insights

Securities/Financial Analyst

TL;DR: Routine insider RSU vesting and a small open-market disposition; no material capital-raising or extraordinary event disclosed.

The Form 4 shows an RSU-related acquisition of 2,110 shares at no cash price and a contemporaneous sale of 1,078 shares at $65.77. The report identifies Becker as SVP, Finance & Corp Controller and lists multiple unvested RSU tranches with explicit vesting dates and amounts. Based solely on disclosed numbers, these appear to be compensation-related equity movements rather than indications of corporate events. The filing does not provide context on proportion of outstanding stock, proceeds use, or whether the sale was pre-arranged beyond the checkboxes visible.

Corporate Governance Expert

TL;DR: Disclosure aligns with executive compensation mechanics; vesting schedules and conversion mechanics are clearly documented.

The form documents that restricted stock units (RSUs) convert into common shares and lists vesting dates for multiple grants, including a staged vesting schedule for a February 8, 2023 grant. The explicit statement that each RSU equals one share provides clarity on dilution mechanics for these awards. The filing records both acquisition via RSU vesting and an open-market disposition with exact share counts and price, meeting standard Section 16 transparency obligations. The disclosures do not allege any governance issues or unusual transactions.

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

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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 NY 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)
	SVP, Finance & Corp Controller

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/08/2025		M		2,110	A	$0	18,227	D
Common Stock	08/08/2025		F		1,078	D	$65.77	17,149	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
Restricted Stock Unit	(1)							(2)	(2)	Common Stock	14,692		14,692	D
Restricted Stock Unit	(1)							(3)	(3)	Common Stock	13,505		13,505	D
Restricted Stock Unit	(1)							(4)	(4)	Common Stock	13,734		13,734	D
Restricted Stock Unit	(1)	08/08/2025		M			2,110	(5)	(5)	Common Stock	2,110	$0	2,110	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) granted on February 8, 2023 vest 1/3 after 1 year from the grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

	Melissa J. Gambol, Power of Attorney	08/12/2025
	** 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).
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FAQ

What insider transactions did Corning (GLW) report on this Form 4?

The Form 4 reports an acquisition of 2,110 shares at $0 (RSU-related) and a disposition of 1,078 shares at $65.77 on 08/08/2025.

Who filed the Form 4 for GLW and what is their role?

The reporting person is Stefan Becker, listed as SVP, Finance & Corp Controller of Corning Incorporated.

What restricted stock unit grants are disclosed in the GLW filing?

The filing discloses RSU tranches of 14,692 (vest April 15, 2027), 13,734 (vest April 15, 2026), 13,505 (vest April 14, 2028), and RSUs from Feb 8, 2023 that vest 1/3 after 1 year then 1/6 every 6 months until full vesting on the third anniversary.

How many shares did Becker beneficially own after the reported transactions?

The report lists beneficial ownership figures of 18,227 shares following the RSU-related acquisition and 17,149 shares following the disposition.

Does the Form 4 indicate whether the sale was part of a 10b5-1 plan?

The checkboxes are present on the form, but the filing text does not explicitly state that the sale was made pursuant to a 10b5-1 plan.