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

Role
President
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
08 Aug 2025
Net transactions value
-$966,474
Form type
4
Filing time
12 Aug 2025, 16:03:21 UTC
Previous filing
08 Aug 2025
Next filing
04 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Musser Eric S President ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 12 Aug 2025 0001323968

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +3,147 +1.9% $0.000000 166,277 08 Aug 2025 Direct
transaction GLW Common Stock Tax liability $105,692 -1,607 -0.97% $65.77 164,670 08 Aug 2025 Direct
transaction GLW Common Stock Options Exercise $370,402 +18,850 +11% $19.65 183,520 11 Aug 2025 Direct
transaction GLW Common Stock Sale $1,231,184 -18,850 -10% $65.31 164,670 11 Aug 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GLW Performance Share Unit Options Exercise $0 -3,147 -50% $0.000000 3,147 08 Aug 2025 Common Stock 3,147 Direct F2, F5
transaction GLW Stock Options (Right to Buy) Options Exercise $0 -18,850 -100% $0.000000 0 11 Aug 2025 Common Stock 18,850 $19.65 Direct F6
holding GLW Performance Share Unit 45,305 08 Aug 2025 Common Stock 45,305 Direct F2, F3
holding GLW Performance Share Unit 37,864 08 Aug 2025 Common Stock 37,864 Direct F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
F2 Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
F3 Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
F4 Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
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.
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.