Eric S. Musser - 08 Aug 2025 Form 4 Insider Report for CORNING INC /NY (GLW)

Reporting relationship: President
Issuer ticker: GLW
Reported as of: 08 Aug 2025
Net transaction value: -$966,474
SEC form: 4
Accepted by SEC: 12 Aug 2025, 16:03:21 UTC
Prior SEC filing: 08 Aug 2025
Next SEC filing: 04 Sep 2025
Source filing: View source filing
Reporting owner signature: Melissa J. Gambol, Power of Attorney

Key filing fact

Eric S. Musser filed Form 4 for CORNING INC /NY (GLW) on 12 Aug 2025.

Key facts

This page summarizes Eric S. Musser's Form 4 filing for CORNING INC /NY (GLW).
6 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 12 Aug 2025, 16:03.

Change

Previous filing in this sequence was filed on 08 Aug 2025.
Current net transaction value: -$966,474.

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 0001323968 Primary reporting owner

Musser Eric S

Relationship: President
Address: ONE RIVERFRONT PLAZA, CORNING
Signature: Melissa J. Gambol, Power of Attorney
Signature date: 12 Aug 2025

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: +3,147
Change %: +1.9%
Price: $0.000000
Shares after: 166,277
Date: 08 Aug 2025
Ownership: Direct

GLW transaction

Common Stock

Tax liability

Transaction value: $105,692
Shares: -1,607
Change %: -0.97%
Price: $65.77
Shares after: 164,670
Date: 08 Aug 2025
Ownership: Direct

GLW transaction

Common Stock

Options Exercise

Transaction value: $370,402
Shares: +18,850
Change %: +11%
Price: $19.65
Shares after: 183,520
Date: 11 Aug 2025
Ownership: Direct

GLW transaction

Common Stock

Sale

Transaction value: $1,231,184
Shares: -18,850
Change %: -10%
Price: $65.31
Shares after: 164,670
Date: 11 Aug 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

GLW transaction Derivative

Performance Share Unit

Options Exercise

Transaction value: $0
Shares: -3,147
Change %: -50%
Price: $0.000000
Shares after: 3,147
Date: 08 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,147
Exercise price
Footnotes: F2, F5

GLW transaction Derivative

Stock Options (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -18,850
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 11 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,850
Exercise price: $19.65
Footnotes: F6

GLW holding Derivative

Performance Share Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 45,305
Date: 08 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 45,305
Exercise price
Footnotes: F2, F3

GLW holding Derivative

Performance Share Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 37,864
Date: 08 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 37,864
Exercise price
Footnotes: F2, F4

^* 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.31 to $65.35, 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.

Footnote F2

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

Footnote F3

Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

Footnote F4

Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

Footnote F5

The performance share units (PSUs) earned February 7, 2024 will vest 1/3 after 1 year from the February 8, 2023 grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

Footnote F6

On December 2, 2020, the Compensation Committee approved the early vesting of one half of the stock options granted on May 15, 2020. The remaining stock options vested ratably over three years from the grand date.