Michelle L. Gullo - 09 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Reporting relationship: Senior Vice President & CHRO
Issuer ticker: GLW
Reported as of: 09 Feb 2026
Net transaction value: -$47,695
SEC form: 4
Accepted by SEC: 11 Feb 2026, 16:12:25 UTC
Prior SEC filing: 06 Feb 2026
Next SEC filing: 13 Feb 2026
Source filing: View source filing
Reporting owner signature: Melissa J. Gambol, Power of Attorney

Key filing fact

Michelle L. Gullo filed Form 4 for CORNING INC /NY (GLW) on 11 Feb 2026.

Key facts

This page summarizes Michelle L. Gullo's Form 4 filing for CORNING INC /NY (GLW).
6 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 11 Feb 2026, 16:12.

Change

Previous filing in this sequence was filed on 06 Feb 2026.
Current net transaction value: -$47,695.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002096996 Primary reporting owner

Gullo Michelle L

Relationship: Senior Vice President & CHRO
Address: 1 RIVERFRONT PLAZA, CORNING
Signature: Melissa J. Gambol, Power of Attorney
Signature date: 11 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GLW transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +918
Change %: +2.6%
Price: $0.000000
Shares after: 36,918
Date: 09 Feb 2026
Ownership: Direct

GLW transaction

Common Stock - Held by Spouse

Options Exercise

Transaction value: $0
Shares: +76
Change %
Price: $0.000000
Shares after: 76
Date: 09 Feb 2026
Ownership: Held by Spouse
Footnotes: F1

GLW transaction

Common Stock - Held by Spouse

Tax liability

Transaction value: $4,204
Shares: -32
Change %: -42%
Price: $131.39
Shares after: 44
Date: 09 Feb 2026
Ownership: Held by Spouse
Footnotes: F1

GLW transaction

Common Stock

Tax liability

Transaction value: $43,490
Shares: -331
Change %: -0.9%
Price: $131.39
Shares after: 36,587
Date: 09 Feb 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GLW transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value: $0
Shares: -918
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 918
Exercise price
Footnotes: F2, F6

GLW transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value: $0
Shares: -76
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 09 Feb 2026
Ownership: Held by Spouse
Underlying class: Common Stock
Underlying amount: 76
Exercise price
Footnotes: F1, F2, F6

GLW holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,793
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,793
Exercise price
Footnotes: F2, F3

GLW holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,378
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,378
Exercise price
Footnotes: F2, F4

GLW holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,670
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,670
Exercise price
Footnotes: F2, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

The reporting person disclaims beneficial ownership of all securities held by spouse.

Footnote F2

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

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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.